diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index dcc76f95c8..f48b08f968 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -1153,21 +1153,6 @@ void prepareShapes(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 
 #endif
 
-/**
- * todo: why is this method NOT reciprocal to getCrankDivider?!
- */
-float getRpmMultiplier(operation_mode_e mode) {
-	if (mode == FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR) {
-		return 2;
-	} else if (mode == FOUR_STROKE_CAM_SENSOR) {
-		return 0.5;
-	} else if (mode == FOUR_STROKE_CRANK_SENSOR) {
-		// unit test coverage still runs if the value below is changed to '2' not a great sign!
-		return 1;
-	}
-	return 1;
-}
-
 void setOperationMode(engine_configuration_s *engineConfiguration, operation_mode_e mode) {
 	engineConfiguration->ambiguousOperationMode = mode;
 }
diff --git a/firmware/controllers/algo/engine_configuration.h b/firmware/controllers/algo/engine_configuration.h
index 907cc8d906..cf80204a8a 100644
--- a/firmware/controllers/algo/engine_configuration.h
+++ b/firmware/controllers/algo/engine_configuration.h
@@ -21,7 +21,6 @@
 
 #define MOCK_UNDEFINED -1
 
-float getRpmMultiplier(operation_mode_e mode);
 void setOperationMode(engine_configuration_s *engineConfiguration, operation_mode_e mode);
 
 void prepareVoidConfiguration(engine_configuration_s *activeConfiguration);
diff --git a/firmware/controllers/trigger/trigger_emulator_algo.cpp b/firmware/controllers/trigger/trigger_emulator_algo.cpp
index f6d6237cc9..25f10ab8e4 100644
--- a/firmware/controllers/trigger/trigger_emulator_algo.cpp
+++ b/firmware/controllers/trigger/trigger_emulator_algo.cpp
@@ -88,6 +88,22 @@ static int atTriggerVersion = 0;
 extern WaveChart waveChart;
 #endif /* EFI_ENGINE_SNIFFER */
 
+/**
+ * todo: why is this method NOT reciprocal to getCrankDivider?!
+ * todo: oh this method has only one usage? there must me another very similar method!
+ */
+static float getRpmMultiplier(operation_mode_e mode) {
+	if (mode == FOUR_STROKE_SYMMETRICAL_CRANK_SENSOR) {
+		return 2;
+	} else if (mode == FOUR_STROKE_CAM_SENSOR) {
+		return 0.5;
+	} else if (mode == FOUR_STROKE_CRANK_SENSOR) {
+		// unit test coverage still runs if the value below is changed to '2' not a great sign!
+		return 1;
+	}
+	return 1;
+}
+
 void setTriggerEmulatorRPM(int rpm DECLARE_ENGINE_PARAMETER_SUFFIX) {
 	engineConfiguration->triggerSimulatorFrequency = rpm;
 	/**