diff --git a/src/config-serializer/config-items/Keymap.ts b/src/config-serializer/config-items/Keymap.ts
index 5f047afc..6b39e74d 100644
--- a/src/config-serializer/config-items/Keymap.ts
+++ b/src/config-serializer/config-items/Keymap.ts
@@ -1,4 +1,3 @@
-import { assertUInt8 } from '../assert';
 import { Serializable } from '../Serializable';
 import { UhkBuffer } from '../UhkBuffer';
 import { Layers } from './Layers';
diff --git a/tslint.json b/tslint.json
index 9db6ce58..9608f733 100644
--- a/tslint.json
+++ b/tslint.json
@@ -21,10 +21,7 @@
         "no-unused-expression": true,
         "no-unused-variable": [
             true,
-            "check-parameters",
-            {
-                "ignore-pattern": "assert.*|keyActionType"
-            }
+            "check-parameters"
         ],
         "no-use-before-declare": true,
         "no-var-keyword": true,