diff --git a/firmware/config/boards/hellen/hellen88bmw/board_configuration.cpp b/firmware/config/boards/hellen/hellen88bmw/board_configuration.cpp
index 426d0cc41c..cd4b989c53 100644
--- a/firmware/config/boards/hellen/hellen88bmw/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen88bmw/board_configuration.cpp
@@ -72,9 +72,6 @@ static void setupDefaultSensorInputs() {
 	engineConfiguration->triggerInputPins[2] = GPIO_UNASSIGNED;
 	// Direct hall-only cam input
 	engineConfiguration->camInputs[0] = H144_IN_CAM;
-	// todo: remove from default since 4 cylinder does not use it
-	// todo: this requires unit test change
-	engineConfiguration->camInputs[1 * CAMS_PER_BANK] = H144_IN_D_AUX4;
 
 	engineConfiguration->tps1_1AdcChannel = H144_IN_TPS;
 	engineConfiguration->tps1_2AdcChannel = H144_IN_AUX1;
diff --git a/firmware/config/boards/hellen/hellen_meta.h b/firmware/config/boards/hellen/hellen_meta.h
index fd01c14519..42fc139d9c 100644
--- a/firmware/config/boards/hellen/hellen_meta.h
+++ b/firmware/config/boards/hellen/hellen_meta.h
@@ -59,10 +59,15 @@
 // IN_TPS AIN17 PA4
 #define H144_IN_TPS EFI_ADC_4
 
+// IN_MAP1 AIN9 PC0
+#define H144_IN_MAP1 EFI_ADC_10
+
 #define H144_IN_AUX1 EFI_ADC_8
 //
 #define H144_IN_AUX2 EFI_ADC_14
 
+#define H144_IN_O2S2 EFI_ADC_1
+
 #define H144_IN_D_2 GPIOE_13
 // A22
 #define H144_IN_D_AUX3 GPIOC_5