diff --git a/src/components/popover/tab/none/none-tab.component.ts b/src/components/popover/tab/none/none-tab.component.ts
index 1b53af74..e73e8725 100644
--- a/src/components/popover/tab/none/none-tab.component.ts
+++ b/src/components/popover/tab/none/none-tab.component.ts
@@ -1,6 +1,5 @@
 import { Component, OnInit } from '@angular/core';
 
-import { NoneAction } from '../../../../config-serializer/config-items/key-action';
 import { Tab } from '../tab';
 
 @Component({
@@ -21,8 +20,8 @@ export class NoneTabComponent implements OnInit, Tab {
         return false;
     }
 
-    toKeyAction(): NoneAction {
-        return new NoneAction();
+    toKeyAction(): undefined {
+        return undefined;
     }
 
 }
diff --git a/src/components/svg/wrap/svg-keyboard-wrap.component.ts b/src/components/svg/wrap/svg-keyboard-wrap.component.ts
index 7ec54957..ad1ba37e 100644
--- a/src/components/svg/wrap/svg-keyboard-wrap.component.ts
+++ b/src/components/svg/wrap/svg-keyboard-wrap.component.ts
@@ -28,7 +28,6 @@ import {
     LayerName,
     MouseAction,
     MouseActionParam,
-    NoneAction,
     PlayMacroAction,
     SwitchKeymapAction,
     SwitchLayerAction
@@ -165,7 +164,7 @@ export class SvgKeyboardWrapComponent implements OnChanges {
 
     showTooltip(keyAction: KeyAction, event: MouseEvent): void {
 
-        if (keyAction instanceof NoneAction || keyAction === undefined) {
+        if (keyAction === undefined) {
             return;
         }
 
diff --git a/src/config-serializer/config-items/Module.ts b/src/config-serializer/config-items/Module.ts
index 05b052cc..4a4aa838 100644
--- a/src/config-serializer/config-items/Module.ts
+++ b/src/config-serializer/config-items/Module.ts
@@ -1,7 +1,7 @@
 import { assertEnum, assertUInt8 } from '../assert';
 import { Serializable } from '../Serializable';
 import { UhkBuffer } from '../UhkBuffer';
-import { Helper as KeyActionHelper, KeyAction } from './key-action';
+import { Helper as KeyActionHelper, KeyAction, NoneAction } from './key-action';
 
 enum PointerRole {
     none,
@@ -61,7 +61,17 @@ export class Module extends Serializable<Module> {
     _toBinary(buffer: UhkBuffer): void {
         buffer.writeUInt8(this.id);
         buffer.writeUInt8(this.pointerRole);
-        buffer.writeArray(this.keyActions);
+
+        const noneAction = new NoneAction();
+
+        const keyActions: KeyAction[] = this.keyActions.map(keyAction => {
+            if (keyAction) {
+                return keyAction;
+            }
+            return noneAction;
+        });
+
+        buffer.writeArray(keyActions);
     }
 
     toString(): string {
diff --git a/src/config-serializer/config-items/key-action/NoneAction.ts b/src/config-serializer/config-items/key-action/NoneAction.ts
index 25b4fb21..12cb182f 100644
--- a/src/config-serializer/config-items/key-action/NoneAction.ts
+++ b/src/config-serializer/config-items/key-action/NoneAction.ts
@@ -1,6 +1,12 @@
 import { UhkBuffer } from '../../UhkBuffer';
 import { KeyAction, KeyActionId, keyActionType } from './KeyAction';
 
+/**
+ * NoneAction is only intended for binary serialization of undefined key actions
+ * DO NOT use it as a real KeyAction
+ *
+ */
+
 export class NoneAction extends KeyAction {
 
     _fromJsObject(jsObject: any): NoneAction {
diff --git a/src/config-serializer/config-items/key-action/helper.ts b/src/config-serializer/config-items/key-action/helper.ts
index aac29338..4ff386d0 100644
--- a/src/config-serializer/config-items/key-action/helper.ts
+++ b/src/config-serializer/config-items/key-action/helper.ts
@@ -4,7 +4,6 @@ import {
     KeyActionId,
     KeystrokeAction,
     MouseAction,
-    NoneAction,
     PlayMacroAction,
     SwitchKeymapAction,
     SwitchLayerAction,
@@ -33,7 +32,8 @@ export class Helper {
 
         switch (keyActionFirstByte) {
             case KeyActionId.NoneAction:
-                return new NoneAction().fromBinary(buffer);
+                buffer.readUInt8(); // Read type just to skip it
+                return undefined;
             case KeyActionId.SwitchLayerAction:
                 return new SwitchLayerAction().fromBinary(buffer);
             case KeyActionId.SwitchKeymapAction:
@@ -59,8 +59,6 @@ export class Helper {
             newKeyAction = new MouseAction(keyAction);
         } else if (keyAction instanceof PlayMacroAction) {
             newKeyAction = new PlayMacroAction(keyAction);
-        } else {
-            newKeyAction = new NoneAction();
         }
         return newKeyAction;
     }
@@ -71,8 +69,6 @@ export class Helper {
         }
 
         switch (keyAction.keyActionType) {
-            case keyActionType.NoneAction:
-                return new NoneAction().fromJsObject(keyAction);
             case keyActionType.KeystrokeAction:
                 return new KeystrokeAction().fromJsObject(keyAction);
             case keyActionType.SwitchLayerAction:
diff --git a/src/config-serializer/config-schema.json b/src/config-serializer/config-schema.json
index 2ae2bf04..506c83fc 100644
--- a/src/config-serializer/config-schema.json
+++ b/src/config-serializer/config-schema.json
@@ -34,12 +34,14 @@
                                             "keyActions": {
                                                 "type": "array",
                                                 "items": {
-                                                    "type": "object",
+                                                    "type": [
+                                                        "null",
+                                                        "object"
+                                                    ],
                                                     "properties": {
                                                         "keyActionType": {
                                                             "type": "string",
                                                             "enum": [
-                                                                "none",
                                                                 "keystroke",
                                                                 "switchLayer",
                                                                 "switchKeymap",
@@ -51,7 +53,7 @@
                                                     "required": [
                                                         "keyActionType"
                                                     ],
-                                                    "oneOf": [
+                                                    "anyOf": [
                                                         {
                                                             "properties": {
                                                                 "keyActionType": {
@@ -137,16 +139,6 @@
                                                                     "type": "integer"
                                                                 }
                                                             }
-                                                        },
-                                                        {
-                                                            "properties": {
-                                                                "keyActionType": {
-                                                                    "type": "string",
-                                                                    "enum": [
-                                                                        "none"
-                                                                    ]
-                                                                }
-                                                            }
                                                         }
                                                     ]
                                                 }
diff --git a/src/config-serializer/preset-keymaps.json b/src/config-serializer/preset-keymaps.json
index 48c2a17f..899779cb 100644
--- a/src/config-serializer/preset-keymaps.json
+++ b/src/config-serializer/preset-keymaps.json
@@ -297,27 +297,13 @@
                         "id": 0,
                         "pointerRole": "none",
                         "keyActions": [
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 75
@@ -334,18 +320,10 @@
                                 "keyActionType": "keystroke",
                                 "scancode": 77
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 78
@@ -362,28 +340,16 @@
                                 "keyActionType": "keystroke",
                                 "scancode": 79
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "switchKeymap",
                                 "keymapAbbreviation": "VIM"
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 118
@@ -392,9 +358,7 @@
                                 "keyActionType": "keystroke",
                                 "modifierMask": 32
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "fn",
@@ -423,84 +387,38 @@
                         "id": 1,
                         "pointerRole": "none",
                         "keyActions": [
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "mouse",
                                 "toggle": false
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 2
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 1
@@ -523,9 +441,7 @@
                                 "layer": "mod",
                                 "toggle": false
                             },
-                            {
-                                "keyActionType": "none"
-                            }
+                            null
                         ]
                     }
                 ]
@@ -541,27 +457,13 @@
                                 "layer": "fn",
                                 "toggle": true
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 232
@@ -574,21 +476,11 @@
                                 "keyActionType": "keystroke",
                                 "scancode": 233
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 234
@@ -601,38 +493,22 @@
                                 "keyActionType": "keystroke",
                                 "scancode": 235
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "scancode": 239
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 32
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "fn",
@@ -661,21 +537,11 @@
                         "id": 1,
                         "pointerRole": "scroll",
                         "keyActions": [
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "mouse",
@@ -686,63 +552,31 @@
                                 "layer": "mod",
                                 "toggle": true
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "mouse",
                                 "toggle": true
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 2
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 1
@@ -765,9 +599,7 @@
                                 "layer": "mod",
                                 "toggle": true
                             },
-                            {
-                                "keyActionType": "none"
-                            }
+                            null
                         ]
                     }
                 ]
@@ -778,53 +610,27 @@
                         "id": 0,
                         "pointerRole": "move",
                         "keyActions": [
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "mouse",
                                 "mouseAction": "scrollUp"
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "mouse",
                                 "mouseAction": "moveUp"
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "mouse",
                                 "mouseAction": "scrollDown"
@@ -841,39 +647,17 @@
                                 "keyActionType": "mouse",
                                 "mouseAction": "moveRight"
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 64
@@ -886,62 +670,32 @@
                                 "keyActionType": "keystroke",
                                 "modifierMask": 16
                             },
-                            {
-                                "keyActionType": "none"
-                            }
+                            null
                         ]
                     },
                     {
                         "id": 1,
                         "pointerRole": "move",
                         "keyActions": [
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "switchLayer",
                                 "layer": "mouse",
                                 "toggle": false
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "mouse",
                                 "mouseAction": "rightClick"
@@ -954,27 +708,13 @@
                                 "keyActionType": "mouse",
                                 "mouseAction": "leftClick"
                             },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
+                            null,
                             {
                                 "keyActionType": "keystroke",
                                 "modifierMask": 1
@@ -987,9 +727,7 @@
                                 "keyActionType": "keystroke",
                                 "modifierMask": 4
                             },
-                            {
-                                "keyActionType": "none"
-                            },
+                            null,
                             {
                                 "keyActionType": "mouse",
                                 "mouseAction": "accelerate"
diff --git a/src/config-serializer/uhk-config.json b/src/config-serializer/uhk-config.json
index 91fcac90..e66b5a74 100644
--- a/src/config-serializer/uhk-config.json
+++ b/src/config-serializer/uhk-config.json
@@ -311,27 +311,13 @@
                             "id": 0,
                             "pointerRole": "none",
                             "keyActions": [
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 75
@@ -348,18 +334,10 @@
                                     "keyActionType": "keystroke",
                                     "scancode": 77
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 78
@@ -376,28 +354,16 @@
                                     "keyActionType": "keystroke",
                                     "scancode": 79
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "switchKeymap",
                                     "keymapAbbreviation": "VIM"
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 118
@@ -406,9 +372,7 @@
                                     "keyActionType": "keystroke",
                                     "modifierMask": 32
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "fn",
@@ -437,84 +401,38 @@
                             "id": 1,
                             "pointerRole": "none",
                             "keyActions": [
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "mouse",
                                     "toggle": false
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 2
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 1
@@ -537,9 +455,7 @@
                                     "layer": "mod",
                                     "toggle": false
                                 },
-                                {
-                                    "keyActionType": "none"
-                                }
+                                null
                             ]
                         }
                     ]
@@ -555,27 +471,13 @@
                                     "layer": "fn",
                                     "toggle": true
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 232
@@ -588,21 +490,11 @@
                                     "keyActionType": "keystroke",
                                     "scancode": 233
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 234
@@ -615,38 +507,22 @@
                                     "keyActionType": "keystroke",
                                     "scancode": 235
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "scancode": 239
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 32
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "fn",
@@ -675,21 +551,11 @@
                             "id": 1,
                             "pointerRole": "scroll",
                             "keyActions": [
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "mouse",
@@ -700,63 +566,31 @@
                                     "layer": "mod",
                                     "toggle": true
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "mouse",
                                     "toggle": true
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 2
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 1
@@ -779,9 +613,7 @@
                                     "layer": "mod",
                                     "toggle": true
                                 },
-                                {
-                                    "keyActionType": "none"
-                                }
+                                null
                             ]
                         }
                     ]
@@ -792,53 +624,27 @@
                             "id": 0,
                             "pointerRole": "move",
                             "keyActions": [
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "mouse",
                                     "mouseAction": "scrollUp"
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "mouse",
                                     "mouseAction": "moveUp"
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "mouse",
                                     "mouseAction": "scrollDown"
@@ -855,39 +661,17 @@
                                     "keyActionType": "mouse",
                                     "mouseAction": "moveRight"
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 64
@@ -900,62 +684,32 @@
                                     "keyActionType": "keystroke",
                                     "modifierMask": 16
                                 },
-                                {
-                                    "keyActionType": "none"
-                                }
+                                null
                             ]
                         },
                         {
                             "id": 1,
                             "pointerRole": "move",
                             "keyActions": [
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "switchLayer",
                                     "layer": "mouse",
                                     "toggle": false
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "mouse",
                                     "mouseAction": "rightClick"
@@ -968,27 +722,13 @@
                                     "keyActionType": "mouse",
                                     "mouseAction": "leftClick"
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
+                                null,
                                 {
                                     "keyActionType": "keystroke",
                                     "modifierMask": 1
@@ -1001,9 +741,7 @@
                                     "keyActionType": "keystroke",
                                     "modifierMask": 4
                                 },
-                                {
-                                    "keyActionType": "none"
-                                },
+                                null,
                                 {
                                     "keyActionType": "mouse",
                                     "mouseAction": "accelerate"