diff --git a/firmware/CHANGELOG.md b/firmware/CHANGELOG.md
index 65c6dd451a..f97ba3686a 100644
--- a/firmware/CHANGELOG.md
+++ b/firmware/CHANGELOG.md
@@ -42,6 +42,7 @@ Release template (copy/paste this for new release):
  - Injection Offset for skipped wheel triggers #4536
 
 ### Removed
+ - Alternator on/off mode #4548
 
 ## August 2022 Release - "Day 170"
 
diff --git a/firmware/console/binary/output_channels.txt b/firmware/console/binary/output_channels.txt
index cdff45a2a3..59b8784d71 100644
--- a/firmware/console/binary/output_channels.txt
+++ b/firmware/console/binary/output_channels.txt
@@ -22,7 +22,7 @@ bit needBurn;
 
 bit sd_msd
 bit isFan2On
-bit alternatorOnOff;
+bit unusedBitLAtwfs;
 bit toothLogReady;
 bit unused3123
 bit isTpsError;
diff --git a/firmware/controllers/actuators/alternator_controller.cpp b/firmware/controllers/actuators/alternator_controller.cpp
index e44938629b..5e9be52e01 100644
--- a/firmware/controllers/actuators/alternator_controller.cpp
+++ b/firmware/controllers/actuators/alternator_controller.cpp
@@ -64,24 +64,6 @@ void AlternatorController::onFastCallback() {
 	auto vBatt = Sensor::get(SensorType::BatteryVoltage);
 	float targetVoltage = engineConfiguration->targetVBatt;
 
-	// todo: I am not aware of a SINGLE person to use this onOffAlternatorLogic
-	if (engineConfiguration->onOffAlternatorLogic) {
-		if (!vBatt) {
-			// Somehow battery voltage isn't valid, disable alternator control
-			enginePins.alternatorPin.setValue(false);
-		}
-
-		float h = 0.1;
-		bool newState = (vBatt.Value < targetVoltage - h) || (currentPlainOnOffState && vBatt.Value < targetVoltage);
-		enginePins.alternatorPin.setValue(newState);
-		currentPlainOnOffState = newState;
-#if EFI_TUNER_STUDIO
-			engine->outputChannels.alternatorOnOff = newState;
-#endif /* EFI_TUNER_STUDIO */
-
-		return;
-	}
-
 	if (!vBatt) {
 		// Somehow battery voltage isn't valid, disable alternator control
 		alternatorPid.reset();
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 8f22266e8b..d2f5a34f9b 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -759,7 +759,7 @@ bit is_enabled_spi_2
 	bit useLcdScreen
 	bit verboseTLE8888
 	bit enableVerboseCanTx;+CAN broadcast using custom rusEFI protocol\nenable can_broadcast/disable can_broadcast
-	bit onOffAlternatorLogic;+This will cause the alternator to be operated in a basic on or off mode, this is the simplest alternator control.
+	bit unusedAlteOnOff
 	bit isCJ125Enabled;enable cj125/disable cj125
 	bit vvtCamSensorUseRise,"Rising","Falling";+Use rise or fall signal front\nget vvtCamSensorUseRise
 	bit measureMapOnlyInOneCylinder;+Useful for individual intakes
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index fe173844aa..7eb0db8a62 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -3163,20 +3163,19 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@@@ts_command_e_TS_
 		field = "Battery Input Divider Coefficient",	vbattDividerCoeff
 	dialog = alternator, "Alternator Settings",	yAxis
 		field = "Enabled",								isAlternatorControlEnabled
-		field = "simple on/off mode",					onOffAlternatorLogic, {isAlternatorControlEnabled == 1}
 		field = "Target",								targetVBatt, {isAlternatorControlEnabled == 1}
 		field = "Pin",									alternatorControlPin, {isAlternatorControlEnabled == 1}
 		field = "Pin Mode",								alternatorControlPinMode, {isAlternatorControlEnabled == 1}
-		field = "PWM frequency",						alternatorPwmFrequency, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
+		field = "PWM frequency",						alternatorPwmFrequency, {isAlternatorControlEnabled == 1}
 		field = "Off Above TPS",						alternatorOffAboveTps, {isAlternatorControlEnabled == 1}
 		field = "Detailed status in console",			isVerboseAlternator, {isAlternatorControlEnabled == 1}
 		field = "#PID control"
-		field = "offset",								alternatorControl_offset, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
-		field = "P factor",								alternatorControl_pFactor, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
-		field = "I factor",								alternatorControl_iFactor, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
-		field = "D factor",								alternatorControl_dFactor, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
-		field = "Min",									alternatorControl_minValue, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
-		field = "Max",									alternatorControl_maxValue, {isAlternatorControlEnabled == 1 && onOffAlternatorLogic == 0}
+		field = "offset",								alternatorControl_offset, {isAlternatorControlEnabled == 1}
+		field = "P factor",								alternatorControl_pFactor, {isAlternatorControlEnabled == 1}
+		field = "I factor",								alternatorControl_iFactor, {isAlternatorControlEnabled == 1}
+		field = "D factor",								alternatorControl_dFactor, {isAlternatorControlEnabled == 1}
+		field = "Min",									alternatorControl_minValue, {isAlternatorControlEnabled == 1}
+		field = "Max",									alternatorControl_maxValue, {isAlternatorControlEnabled == 1}
 		field = "#% duty = Pterm + Iterm + Dterm + offset%"
 
 	dialog = startStopDialog, "Start/Stop Button"