diff --git a/kmod/src/Makefile.kernelcompat b/kmod/src/Makefile.kernelcompat
index 1140549d..6e888e0c 100644
--- a/kmod/src/Makefile.kernelcompat
+++ b/kmod/src/Makefile.kernelcompat
@@ -6,16 +6,6 @@
 
 ccflags-y += -include $(src)/kernelcompat.h
 
-#
-# v4.8-rc1-29-g31051c85b5e2
-#
-# inode_change_ok() removed - replace with setattr_prepare()
-# v5.11-rc4-7-g2f221d6f7b88 removes extern attribute
-#
-ifneq (,$(shell grep 'int setattr_prepare' include/linux/fs.h))
-ccflags-y += -DKC_SETATTR_PREPARE
-endif
-
 #
 # v4.15-rc3-4-gae5e165d855d
 #
diff --git a/kmod/src/kernelcompat.h b/kmod/src/kernelcompat.h
index cecd8359..d2394739 100644
--- a/kmod/src/kernelcompat.h
+++ b/kmod/src/kernelcompat.h
@@ -39,15 +39,6 @@ do {						\
 #define WQ_NON_REENTRANT 0
 #endif
 
-/*
- * v4.8-rc1-29-g31051c85b5e2
- *
- * fall back to inode_change_ok() if setattr_prepare() isn't available
- */
-#ifndef KC_SETATTR_PREPARE
-#define setattr_prepare(dentry, attr) inode_change_ok(d_inode(dentry), attr)
-#endif
-
 #ifndef KC_PERCPU_COUNTER_ADD_BATCH
 #define percpu_counter_add_batch __percpu_counter_add
 #endif