diff --git a/cpu/arm7_common/Makefile b/cpu/arm7_common/Makefile
index 3a26b43827..e09377cd1e 100644
--- a/cpu/arm7_common/Makefile
+++ b/cpu/arm7_common/Makefile
@@ -1,5 +1,3 @@
-CFLAGS += $(CFLAGS_BASIC)
-
 DIRS = periph
 
 include $(RIOTBASE)/Makefile.base