diff --git a/Makefile b/Makefile
index eced8fb..59181dc 100644
--- a/Makefile
+++ b/Makefile
@@ -459,7 +459,7 @@ CODE_DEFINES =
 
 COMMON_DEFINES += $(CODE_DEFINES) $(WARNINGS_DEFINES) -DNDEBUG=1 $(fpic)
 
-CFLAGS += $(DEFINES) $(COMMON_DEFINES) -Werror=implicit-function-declaration
+CFLAGS += $(DEFINES) $(COMMON_DEFINES)
 
 ifeq ($(FRONTEND_SUPPORTS_RGB565), 1)
 	CFLAGS += -DFRONTEND_SUPPORTS_RGB565