diff --git a/Makefile b/Makefile
index 4e66c67..df4855d 100644
--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@ TARGET = sam7fc
 
 ASFLAGS = -mcpu=arm7tdmi -Wa,-adhlns=$(BUILD)/$(*D)/$(*F).lst,--gdwarf-2 -Iinclude
 
-CFLAGS = -gdwarf-2 -mcpu=arm7tdmi -Os -std=gnu99 -dr
+CFLAGS = -gdwarf-2 -mcpu=arm7tdmi -Os -std=gnu99
 CFLAGS += -Wa,-adhlns=$(BUILD)/$(*D)/$(*F).lst
 CFLAGS += -nostdinc $(patsubst %,-I%,$(INCDIRS))
 CFLAGS += -MD -MP -MF $(BUILD)/$(*D)/$(*F).d