diff --git a/firmware/console/status_loop.cpp b/firmware/console/status_loop.cpp
index dbd182c7b6..5dfd130303 100644
--- a/firmware/console/status_loop.cpp
+++ b/firmware/console/status_loop.cpp
@@ -224,12 +224,6 @@ static Logging logicAnalyzerLogger("logic analyzer", logicAnalyzerBuffer, sizeof
  * todo: is this mostly dead code?
  */
 void updateDevConsoleState() {
-	// todo: make SWO work
-//	char *msg = "hello\r\n";
-//	for(int i=0;i<strlen(msg);i++) {
-//		ITM_SendChar(msg[i]);
-//	}
-
 #if EFI_PROD_CODE
 	// todo: unify with simulator!
 	if (hasFirmwareError()) {
@@ -362,7 +356,7 @@ extern int totalLoggedBytes;
 //#endif // HW_CHECK_MODE
 
 	#if EFI_ENGINE_CONTROL
-			if (lowVBatt || isTriggerErrorNow() || isIgnitionTimingError()) {
+			if (lowVBatt || isTriggerErrorNow()) {
 				// todo: at the moment warning codes do not affect warning LED?!
 				enginePins.warningLedPin.setValue(1);
 			}
@@ -511,7 +505,7 @@ static void updatePressures() {
 
 static void updateMiscSensors() {
 	engine->outputChannels.VBatt = Sensor::getOrZero(SensorType::BatteryVoltage);
-	
+
 	engine->outputChannels.idlePositionSensor = Sensor::getOrZero(SensorType::IdlePosition);
 
 	engine->outputChannels.wastegatePositionSensor = Sensor::getOrZero(SensorType::WastegatePosition);
diff --git a/firmware/controllers/engine_cycle/spark_logic.cpp b/firmware/controllers/engine_cycle/spark_logic.cpp
index 0f7be4795c..6d778ac455 100644
--- a/firmware/controllers/engine_cycle/spark_logic.cpp
+++ b/firmware/controllers/engine_cycle/spark_logic.cpp
@@ -30,14 +30,8 @@ extern bool verboseMode;
 	extern bool printFuelDebug;
 #endif // EFI_PRINTF_FUEL_DETAILS
 
-static cyclic_buffer<int> ignitionErrorDetection;
-
 static const char *prevSparkName = nullptr;
 
-int isIgnitionTimingError(void) {
-	return ignitionErrorDetection.sum(6) > 4;
-}
-
 static void fireSparkBySettingPinLow(IgnitionEvent *event, IgnitionOutputPin *output) {
 #if SPARK_EXTREME_LOGGING
 	efiPrintf("spark goes low  %d %s %d current=%d cnt=%d id=%d", getRevolutionCounter(), output->name, (int)getTimeNowUs(),
diff --git a/firmware/controllers/engine_cycle/spark_logic.h b/firmware/controllers/engine_cycle/spark_logic.h
index b82f0093fc..e8735d105c 100644
--- a/firmware/controllers/engine_cycle/spark_logic.h
+++ b/firmware/controllers/engine_cycle/spark_logic.h
@@ -13,5 +13,3 @@ void fireSparkAndPrepareNextSchedule(IgnitionEvent *event);
 int getNumberOfSparks(ignition_mode_e mode);
 percent_t getCoilDutyCycle(int rpm);
 void initializeIgnitionActions();
-
-int isIgnitionTimingError(void);