diff --git a/left/src/init_peripherials.c b/left/src/init_peripherials.c
index 7674253..ac48953 100644
--- a/left/src/init_peripherials.c
+++ b/left/src/init_peripherials.c
@@ -7,20 +7,54 @@
 #include "fsl_clock.h"
 #include "i2c.h"
 #include "led_pwm.h"
+#include "bridge_protocol_handler.h"
+
+static void i2cSlaveCallback(I2C_Type *base, i2c_slave_transfer_t *xfer, void *userData)
+{
+    switch (xfer->event)
+    {
+        case kI2C_SlaveTransmitEvent:
+            BridgeProtocolHandler();
+            xfer->data = BridgeTxBuffer;
+            xfer->dataSize = BridgeTxSize;
+            break;
+        case kI2C_SlaveReceiveEvent:
+            BridgeProtocolHandler();
+            xfer->data = BridgeRxBuffer;
+            xfer->dataSize = BRIDGE_RX_BUFFER_SIZE;
+            break;
+        case kI2C_SlaveCompletionEvent:
+            xfer->data = NULL;
+            xfer->dataSize = 0;
+            break;
+        case kI2C_SlaveTransmitAckEvent:
+            break;
+        default:
+            break;
+    }
+}
 
 void InitI2c() {
     port_pin_config_t pinConfig = {
         .pullSelect = kPORT_PullUp,
     };
 
-    // Initialize main bus
-
     CLOCK_EnableClock(I2C_BUS_SDA_CLOCK);
     CLOCK_EnableClock(I2C_BUS_SCL_CLOCK);
 
     pinConfig.mux = I2C_BUS_MUX;
     PORT_SetPinConfig(I2C_BUS_SDA_PORT, I2C_BUS_SDA_PIN, &pinConfig);
     PORT_SetPinConfig(I2C_BUS_SCL_PORT, I2C_BUS_SCL_PIN, &pinConfig);
+
+    i2c_slave_config_t slaveConfig;
+    i2c_slave_handle_t slaveHandle;
+
+    I2C_SlaveGetDefaultConfig(&slaveConfig);
+    slaveConfig.slaveAddress = I2C_ADDRESS_LEFT_KEYBOARD_HALF;
+    I2C_SlaveInit(I2C_BUS_BASEADDR, &slaveConfig);
+    I2C_SlaveTransferCreateHandle(I2C_BUS_BASEADDR, &slaveHandle, i2cSlaveCallback, NULL);
+    slaveHandle.eventMask |= kI2C_SlaveCompletionEvent;
+    I2C_SlaveTransferNonBlocking(I2C_BUS_BASEADDR, &slaveHandle, kI2C_SlaveCompletionEvent);
 }
 
 void InitLedDriver() {
diff --git a/left/src/main.c b/left/src/main.c
index f53e2e2..7233af1 100644
--- a/left/src/main.c
+++ b/left/src/main.c
@@ -1,14 +1,6 @@
-#include "fsl_gpio.h"
-#include "init_clock.h"
-#include "fsl_port.h"
-#include "fsl_i2c.h"
 #include "main.h"
-#include "key_matrix.h"
-#include "test_led.h"
-#include "i2c_addresses.h"
-#include "i2c.h"
+#include "init_clock.h"
 #include "init_peripherials.h"
-#include "bridge_protocol_handler.h"
 
 key_matrix_t keyMatrix = {
     .colNum = KEYBOARD_MATRIX_COLS_NUM,
@@ -49,49 +41,13 @@ key_matrix_t keyMatrix = {
     }
 #endif
 };
-uint8_t IsoJumperState;
-
-i2c_slave_config_t slaveConfig;
-i2c_slave_handle_t slaveHandle;
-
-static void i2c_slave_callback(I2C_Type *base, i2c_slave_transfer_t *xfer, void *userData)
-{
-    switch (xfer->event)
-    {
-        case kI2C_SlaveTransmitEvent:
-            BridgeProtocolHandler();
-            xfer->data = BridgeTxBuffer;
-            xfer->dataSize = BridgeTxSize;
-            break;
-        case kI2C_SlaveReceiveEvent:
-            BridgeProtocolHandler();
-            xfer->data = BridgeRxBuffer;
-            xfer->dataSize = BRIDGE_RX_BUFFER_SIZE;
-            break;
-        case kI2C_SlaveCompletionEvent:
-            xfer->data = NULL;
-            xfer->dataSize = 0;
-            break;
-        case kI2C_SlaveTransmitAckEvent:
-            break;
-        default:
-            break;
-    }
-}
 
 int main(void)
 {
     InitClock();
     InitPeripherials();
-
-    I2C_SlaveGetDefaultConfig(&slaveConfig);
-    slaveConfig.slaveAddress = I2C_ADDRESS_LEFT_KEYBOARD_HALF;
-    I2C_SlaveInit(I2C_BUS_BASEADDR, &slaveConfig);
-    I2C_SlaveTransferCreateHandle(I2C_BUS_BASEADDR, &slaveHandle, i2c_slave_callback, NULL);
-    slaveHandle.eventMask |= kI2C_SlaveCompletionEvent;
-    I2C_SlaveTransferNonBlocking(I2C_BUS_BASEADDR, &slaveHandle, kI2C_SlaveCompletionEvent);
-
     KeyMatrix_Init(&keyMatrix);
+
     while (1) {
         KeyMatrix_Scan(&keyMatrix);
         asm("wfi");
diff --git a/left/src/main.h b/left/src/main.h
index abc3bcb..7df0c8c 100644
--- a/left/src/main.h
+++ b/left/src/main.h
@@ -13,6 +13,5 @@
 // Variables:
 
     extern key_matrix_t keyMatrix;
-    extern uint8_t IsoJumperState;
 
 #endif