--- a/build_system/build_files/common.mk
+++ b/build_system/build_files/common.mk
@@ -122,7 +122,7 @@ CC=$(COMPILER)
 LD=$(LINKER)
 AR=$(ARCHIVER)
 
-CFLAGS+=-O2
+#CFLAGS+=-O2
 
 
 PWD= $(shell pwd)
--- a/build_system/build_files/OS/linux_2.6.mk
+++ b/build_system/build_files/OS/linux_2.6.mk
@@ -80,7 +80,7 @@ endif
 
 
 ifeq ($(OS_LEVEL), kernel_space)
-CFLAGS+= 
+#CFLAGS+= 
 endif
 
 
