diff --git a/kernel/Makefile b/kernel/Makefile
index 021840a2efe9..a7f580d4c08f 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -35,14 +35,6 @@ $(warning "KSU_GIT_VERSION not defined! It is better to make KernelSU a git subm
 ccflags-y += -DKSU_VERSION=16
 endif
 
-ifeq ($(shell grep -q " current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
-ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
-endif
-
-ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
-ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
-endif
-
 ifndef KSU_EXPECTED_SIZE
 KSU_EXPECTED_SIZE := 0x033b
 endif