diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index ce7fdf6afd..6f3af0b4de 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -94,7 +94,6 @@ static LoggingWithStorage logger("Engine Controller");
 #if (EFI_PROD_CODE || EFI_SIMULATOR) || defined(__DOXYGEN__)
 
 /**
- * todo: eliminate constructor parameter so that _engine could be moved to CCM_OPTIONAL
  * todo: this should probably become 'static', i.e. private, and propagated around explicitly?
  */
 Engine _engine CCM_OPTIONAL;
@@ -108,8 +107,6 @@ Engine * engine = &_engine;
  */
 #define CLEANUP_MODE_TPS 90
 
-extern OutputPin runningPin;
-
 static msg_t csThread(void) {
 	chRegSetThreadName("status");
 #if EFI_SHAFT_POSITION_INPUT || defined(__DOXYGEN__)