diff --git a/firmware/Makefile b/firmware/Makefile
index 47697118e0..5a3ff443bf 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -219,7 +219,6 @@ CSRC =  $(ALLCSRC) \
 	$(CONTROLLERS_ALGO_SRC) \
 	$(CONTROLLERS_CORE_SRC) \
 	$(CONTROLLERS_SENSORS_SRC) \
-	$(SYSTEMSRC) \
 	main_hardfault.c
 
 # C++ sources that can be compiled in ARM or THUMB mode depending on the global