diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 2492537251..882637e8e6 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -631,7 +631,7 @@ void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
 #endif /* EFI_ENGINE_CONTROL */
 
 #if EFI_IDLE_CONTROL || defined(__DOXYGEN__)
-	startIdleThread(sharedLogger, engine);
+	startIdleThread(sharedLogger);
 #endif /* EFI_IDLE_CONTROL */
 
 	if (engineConfiguration->externalKnockSenseAdc != EFI_ADC_NONE) {
diff --git a/firmware/controllers/idle_thread.cpp b/firmware/controllers/idle_thread.cpp
index cabad06b91..1cb926aac1 100644
--- a/firmware/controllers/idle_thread.cpp
+++ b/firmware/controllers/idle_thread.cpp
@@ -51,7 +51,7 @@ static StepperMotor iacMotor;
 /**
  * that's the position with CLT and IAT corrections
  */
-static float actualIdlePosition = -100.0f;
+static percent_t actualIdlePosition = -100.0f;
 
 /**
  * Idle level calculation algorithm lives in idle_controller.cpp
@@ -307,7 +307,7 @@ static void initIdleHardware() {
 	}
 }
 
-void startIdleThread(Logging*sharedLogger, Engine *engine) {
+void startIdleThread(Logging*sharedLogger) {
 	logger = sharedLogger;
 
 	// todo: re-initialize idle pins on the fly
diff --git a/firmware/controllers/idle_thread.h b/firmware/controllers/idle_thread.h
index 7794b48b84..66edb1402c 100644
--- a/firmware/controllers/idle_thread.h
+++ b/firmware/controllers/idle_thread.h
@@ -13,7 +13,7 @@
 
 percent_t getIdlePosition(void);
 void setIdleValvePosition(int positionPercent);
-void startIdleThread(Logging*sharedLogger, Engine *engine);
+void startIdleThread(Logging*sharedLogger);
 void setDefaultIdleParameters(void);
 void startIdleBench(void);
 void setIdleDT(int value);