diff --git a/firmware/config/engines/hyundai.cpp b/firmware/config/engines/hyundai.cpp
index f4ef811f80..ea70c56975 100644
--- a/firmware/config/engines/hyundai.cpp
+++ b/firmware/config/engines/hyundai.cpp
@@ -34,8 +34,10 @@ void setHyundaiPb() {
    	engineConfiguration->highPressureFuel.value2 = 20'000;
 	engineConfiguration->highPressureFuel.hwChannel = PROTEUS_IN_ANALOG_VOLT_4;
 
+#if HW_PROTEUS
 	gppwm_channel *coolantControl = &engineConfiguration->gppwm[0];
 	coolantControl->pin = PROTEUS_LS_5;
+#endif // HW_PROTEUS
 }
 
 void setProteusHyundaiPb() {
@@ -48,6 +50,7 @@ void setProteusHyundaiPb() {
 	setPPSInputs(PROTEUS_IN_PPS, PROTEUS_IN_PPS2);
 
 
+// something something input levels are not happy for digital input pin?
 //	engineConfiguration->starterControlPin = PROTEUS_LS_14;
 	engineConfiguration->startStopButtonPin = PROTEUS_IN_AV_6_DIGITAL;
 	engineConfiguration->startStopButtonMode = PI_DEFAULT;
diff --git a/firmware/config/engines/vw_b6.cpp b/firmware/config/engines/vw_b6.cpp
index 7c555a8b2b..2daf4234ff 100644
--- a/firmware/config/engines/vw_b6.cpp
+++ b/firmware/config/engines/vw_b6.cpp
@@ -191,7 +191,7 @@ void setProteusVwPassatB6() {
 
     #include "vw_b6.lua"
 
-#endif
+#endif // HW_PROTEUS
 }
 
 /**