diff --git a/Makefile b/Makefile
index a51ad39..2bd75b7 100755
--- a/Makefile
+++ b/Makefile
@@ -13,11 +13,11 @@ EXTRA_CFLAGS += -Wno-vla -g
 
 #GCC_VER_49 := $(shell echo `$(CC) -dumpversion | cut -f1-2 -d.` \>= 4.9 | bc )
 #ifeq ($(GCC_VER_49),1)
-EXTRA_CFLAGS += -Wno-date-time	# Fix compile error && warning on gcc 4.9 and later
+#EXTRA_CFLAGS += -Wno-date-time	# Fix compile error && warning on gcc 4.9 and later
 #endif
 
 EXTRA_CFLAGS += -I$(src)/include
-EXTRA_LDFLAGS += --strip-debug
+EXTRA_LDFLAGS += --strip-all -O3
 
 ########################## WIFI IC ############################
 CONFIG_RTL8812A = y