diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index fce6e6efbf..7d583b0a67 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -184,7 +184,7 @@ struct_no_prefix engine_configuration_s
 #define EGT_CHANNEL_COUNT 8
 #define DIGIPOT_COUNT 4
 #define HW_MAX_ADC_INDEX 17
-#define TRIGGER_SIMULATOR_PIN_COUNT 3
+#define TRIGGER_SIMULATOR_PIN_COUNT 2
 #define TRIGGER_INPUT_PIN_COUNT 2
 #define LOGIC_ANALYZER_CHANNEL_COUNT 4
 #define SCRIPT_SETTING_COUNT 8
@@ -739,7 +739,9 @@ pin_input_mode_e throttlePedalUpPinMode;
 	float compressionRatio;Just for reference really, not taken into account by any logic at this point;"CR", 1, 0, 0, 300, 1
 
 	Gpio[TRIGGER_SIMULATOR_PIN_COUNT iterate] triggerSimulatorPins;Each rusEFI piece can provide synthetic trigger signal for external ECU. Sometimes these wires are routed back into trigger inputs of the same rusEFI board.\nSee also directSelfStimulation which is different.
+	uint16_t unusedTrig
 	pin_output_mode_e[TRIGGER_SIMULATOR_PIN_COUNT iterate] triggerSimulatorPinModes;
+	uint8_t unusedTrigMode
 	output_pin_e o2heaterPin;Narrow band o2 heater, not used for CJ125. 'ON' if engine is running, 'OFF' if stopped or cranking. See wboHeaterPin
 	pin_output_mode_e o2heaterPinModeTodO;
 
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index bf4501f3c1..08ddff0987 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -2534,7 +2534,6 @@ cmd_set_engine_type_default					= "@@TS_IO_TEST_COMMAND_char@@@@ts_command_e_TS_
 	dialog = allPins1_1
 		field = "trigger stimulator pin #1", 			triggerSimulatorPins1
 		field = "trigger stimulator pin #2", 			triggerSimulatorPins2
-		field = "trigger stimulator pin #2", 			triggerSimulatorPins3
 		field = "Warning Led",							warningLedPin
 		field = "tle6240_cs",							tle6240_cs
 		field = "tle6240 SPI",							tle6240spiDevice
@@ -3925,8 +3924,6 @@ dialog = tcuControls, "Transmission Settings"
 		field = "trigger stimulator pin mode #1", 		triggerSimulatorPinModes1@@if_ts_show_hardware_simulator
 		field = "trigger stimulator pin #2", 			triggerSimulatorPins2@@if_ts_show_hardware_simulator
 		field = "trigger stimulator pin mode #2", 		triggerSimulatorPinModes2@@if_ts_show_hardware_simulator
-		field = "trigger stimulator pin #3", 			triggerSimulatorPins3@@if_ts_show_hardware_simulator
-		field = "trigger stimulator pin mode #3", 		triggerSimulatorPinModes3@@if_ts_show_hardware_simulator
 		field = ""
 	    field = "Logic input channel 1", 				logicAnalyzerPins1
 	    field = "Logic input channel 2", 				logicAnalyzerPins2