diff --git a/flight/CopterControl/Makefile b/flight/CopterControl/Makefile
index 9acfdff41..f786df65c 100644
--- a/flight/CopterControl/Makefile
+++ b/flight/CopterControl/Makefile
@@ -503,6 +503,7 @@ endif
 
 CFLAGS += -Wall
 CFLAGS += -Werror
+CFLAGS += -ffunction-sections -fdata-sections
 CFLAGS += -Wa,-adhlns=$(addprefix $(OUTDIR)/, $(notdir $(addsuffix .lst, $(basename $<))))
 # Compiler flags to generate dependency files:
 CFLAGS += -MD -MP -MF $(OUTDIR)/dep/$(@F).d