diff --git a/firmware/controllers/trigger/rpm_calculator.cpp b/firmware/controllers/trigger/rpm_calculator.cpp
index f212bec85c..980e3eb3ba 100644
--- a/firmware/controllers/trigger/rpm_calculator.cpp
+++ b/firmware/controllers/trigger/rpm_calculator.cpp
@@ -269,7 +269,7 @@ void rpmShaftPositionCallback(trigger_event_e ckpSignalType,
 		int signal = 1000 * ckpSignalType + index;
 		scAddData(crankAngle, signal);
 	}
-#endif
+#endif /* EFI_SENSOR_CHART */
 
 	if (rpmState->isSpinningUp(PASS_ENGINE_PARAMETER_SIGNATURE)) {
 		// we are here only once trigger is synchronized for the first time
diff --git a/firmware/hw_layer/hardware.cpp b/firmware/hw_layer/hardware.cpp
index 362c503183..c58a37d134 100644
--- a/firmware/hw_layer/hardware.cpp
+++ b/firmware/hw_layer/hardware.cpp
@@ -215,10 +215,12 @@ void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 		 */
 		efiAssertVoid(CUSTOM_ERR_6676, getCurrentRemainingStack() > 128, "lowstck#9b");
 
+#if EFI_SENSOR_CHART
 		if (ENGINE(sensorChartMode) == SC_AUX_FAST1) {
 			float voltage = getAdcValue("fAux1", engineConfiguration->bc.auxFastSensor1_adcChannel);
 			scAddData(getCrankshaftAngleNt(getTimeNowNt() PASS_ENGINE_PARAMETER_SUFFIX), voltage);
 		}
+#endif /* EFI_SENSOR_CHART */
 
 #if EFI_MAP_AVERAGING
 		mapAveragingAdcCallback(fastAdc.samples[fastMapSampleIndex]);
@@ -227,7 +229,7 @@ void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 		if (CONFIGB(isHip9011Enabled)) {
 			hipAdcCallback(fastAdc.samples[hipSampleIndex]);
 		}
-#endif
+#endif /* EFI_HIP_9011 */
 //		if (tpsSampleIndex != TPS_IS_SLOW) {
 //			tpsFastAdc = fastAdc.samples[tpsSampleIndex];
 //		}