diff --git a/cpu/arm7_common/Makefile.include b/cpu/arm7_common/Makefile.include
index f919daca7802..12394e6c62c4 100644
--- a/cpu/arm7_common/Makefile.include
+++ b/cpu/arm7_common/Makefile.include
@@ -14,7 +14,7 @@ CFLAGS_DBG  ?= -ggdb -g3
 CFLAGS_OPT  ?= -Os
 
 CFLAGS      += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
-ASFLAGS     += $(CFLAGS_CPU) $(CFLAGS_DBG)
+ASFLAGS     += $(CFLAGS_CPU)
 LINKFLAGS   += -T$(RIOTCPU)/$(CPU)/ldscripts/$(CPU).ld
 LINKFLAGS   += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -nostartfiles
 LINKFLAGS   += -Wl,--gc-sections