diff --git a/kernel/Makefile b/kernel/Makefile
index 2fcf7a6e..78b72918 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -59,10 +59,6 @@ else
 $(info -- KPM is disabled)
 endif
 
-# 写入签名
-ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
-ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
-
 # SELinux 驱动程序检查
 ifeq ($(shell grep -q "current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
 ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID