diff --git a/firmware/config/engines/GY6_139QMB.cpp b/firmware/config/engines/GY6_139QMB.cpp
index 06db98146d..13901a3fe3 100644
--- a/firmware/config/engines/GY6_139QMB.cpp
+++ b/firmware/config/engines/GY6_139QMB.cpp
@@ -31,7 +31,6 @@ void setGy6139qmbDefaultEngineConfiguration() {
 	setTargetRpmCurve(2000);
 	engineConfiguration->analogInputDividerCoefficient = 1;
 	engineConfiguration->globalTriggerAngleOffset = 45;
-	engineConfiguration->sensorChartMode = SC_MAP;
 	engineConfiguration->specs.displacement = 0.072; // 72cc
 	engineConfiguration->specs.cylindersCount = 1;
 	setOperationMode(engineConfiguration, FOUR_STROKE_CRANK_SENSOR);
diff --git a/firmware/config/engines/dodge_neon.cpp b/firmware/config/engines/dodge_neon.cpp
index b3320dbca5..8efadd76ee 100644
--- a/firmware/config/engines/dodge_neon.cpp
+++ b/firmware/config/engines/dodge_neon.cpp
@@ -326,7 +326,6 @@ void setDodgeNeonNGCEngineConfiguration() {
 	 */
 	engineConfiguration->clt.adcChannel = EFI_ADC_12;
 
-	engineConfiguration->sensorChartMode = SC_MAP;
 	engineConfiguration->map.sensor.type = MT_DODGE_NEON_2003;
 
 	engineConfiguration->hip9011Gain = 0.3;
diff --git a/firmware/controllers/algo/auto_generated_commonenum.cpp b/firmware/controllers/algo/auto_generated_commonenum.cpp
index 3279187f9a..b68481b3e6 100644
--- a/firmware/controllers/algo/auto_generated_commonenum.cpp
+++ b/firmware/controllers/algo/auto_generated_commonenum.cpp
@@ -529,8 +529,6 @@ case SC_AUX_FAST1:
   return "SC_AUX_FAST1";
 case SC_DETAILED_RPM:
   return "SC_DETAILED_RPM";
-case SC_MAP:
-  return "SC_MAP";
 case SC_OFF:
   return "SC_OFF";
 case SC_RPM_ACCEL:
diff --git a/firmware/controllers/algo/rusefi_enums.h b/firmware/controllers/algo/rusefi_enums.h
index 585dd2e398..b3f50fe31f 100644
--- a/firmware/controllers/algo/rusefi_enums.h
+++ b/firmware/controllers/algo/rusefi_enums.h
@@ -452,7 +452,7 @@ typedef enum {
 	 * You would use this value if you want to see a detailed graph of your trigger events
 	 */
 	SC_TRIGGER = 1,
-	SC_MAP = 2,
+	// unused 2
 	SC_RPM_ACCEL = 3,
 	SC_DETAILED_RPM = 4,
 	SC_AUX_FAST1 = 5,
diff --git a/firmware/controllers/engine_cycle/map_averaging.cpp b/firmware/controllers/engine_cycle/map_averaging.cpp
index 846423b2a6..8ce2222d7b 100644
--- a/firmware/controllers/engine_cycle/map_averaging.cpp
+++ b/firmware/controllers/engine_cycle/map_averaging.cpp
@@ -34,22 +34,11 @@
 #include "sensor_chart.h"
 #endif /* EFI_SENSOR_CHART */
 
-#define FAST_MAP_CHART_SKIP_FACTOR 16
-
 /**
  * this instance does not have a real physical pin - it's only used for engine sniffer
  */
 static NamedOutputPin mapAveragingPin("map");
 
-/**
- * Running counter of measurements per revolution
- */
-static volatile int measurementsPerRevolutionCounter = 0;
-/**
- * Number of measurements in previous shaft revolution
- */
-static volatile int measurementsPerRevolution = 0;
-
 /**
  * Running MAP accumulator - sum of all measurements within averaging window
  */
@@ -111,19 +100,6 @@ static void startAveraging(scheduling_s *endAveragingScheduling) {
 void mapAveragingAdcCallback(adcsample_t adcValue) {
 	efiAssertVoid(CUSTOM_ERR_6650, getCurrentRemainingStack() > 128, "lowstck#9a");
 
-#if EFI_SENSOR_CHART && EFI_ANALOG_SENSORS
-	if (engine->sensorChartMode == SC_MAP) {
-		measurementsPerRevolutionCounter++;
-		if (measurementsPerRevolutionCounter % FAST_MAP_CHART_SKIP_FACTOR == 0) {
-			float voltage = adcToVoltsDivided(adcValue);
-			float currentPressure = convertMap(voltage).value_or(0);
-			scAddData(
-					engine->triggerCentral.getCurrentEnginePhase(getTimeNowNt()).value_or(0),
-					currentPressure);
-		}
-	}
-#endif /* EFI_SENSOR_CHART */
-
 #if EFI_TUNER_STUDIO
 	if (engineConfiguration->debugMode == DBG_MAP) {
 		float voltage = adcToVoltsDivided(adcValue);
@@ -245,9 +221,6 @@ void mapAveragingTriggerCallback(
 		applyMapMinBufferLength();
 	}
 
-	measurementsPerRevolution = measurementsPerRevolutionCounter;
-	measurementsPerRevolutionCounter = 0;
-
 	// todo: this could be pre-calculated
 	int samplingCount = engineConfiguration->measureMapOnlyInOneCylinder ? 1 : engineConfiguration->specs.cylindersCount;
 
@@ -287,15 +260,7 @@ void mapAveragingTriggerCallback(
 #endif
 }
 
-static void showMapStats() {
-	efiPrintf("per revolution %d", measurementsPerRevolution);
-}
-
 void initMapAveraging() {
-#if !EFI_UNIT_TEST
-	addConsoleAction("faststat", showMapStats);
-#endif /* EFI_UNIT_TEST */
-
 	applyMapMinBufferLength();
 }
 
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 4091a1524d..9ecb9a4bb0 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -844,7 +844,7 @@ custom script_setting_t 4 scalar, F32, @OFFSET@, 		"",	   1,	   0, 0, 18000,	  2
 	uart_device_e consoleUartDevice;
 
 
-#define sensor_chart_e_enum "none", "trigger", "MAP", "RPM ACCEL", "DETAILED RPM", "Fast Aux1"
+#define sensor_chart_e_enum "none", "trigger", "INVALID", "RPM ACCEL", "DETAILED RPM", "Fast Aux1"
 custom sensor_chart_e 4 bits, S32, @OFFSET@, [0:2], @@sensor_chart_e_enum@@
 sensor_chart_e sensorChartMode;+rusEfi console Sensor Sniffer mode;