diff --git a/config/kernel-dentry-operations.m4 b/config/kernel-dentry-operations.m4
index 957ebc9f0..a36421167 100644
--- a/config/kernel-dentry-operations.m4
+++ b/config/kernel-dentry-operations.m4
@@ -1,26 +1,3 @@
-dnl #
-dnl # 3.4.0 API change
-dnl # Added d_make_root() to replace previous d_alloc_root() function.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_SRC_D_MAKE_ROOT], [
-	ZFS_LINUX_TEST_SRC([d_make_root], [
-		#include <linux/dcache.h>
-	], [
-		d_make_root(NULL);
-	])
-])
-
-AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT], [
-	AC_MSG_CHECKING([whether d_make_root() is available])
-	ZFS_LINUX_TEST_RESULT_SYMBOL([d_make_root],
-	    [d_make_root], [fs/dcache.c], [
-		AC_MSG_RESULT(yes)
-		AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [d_make_root() is available])
-	], [
-		AC_MSG_RESULT(no)
-	])
-])
-
 dnl #
 dnl # 2.6.28 API change
 dnl # Added d_obtain_alias() helper function.
@@ -142,7 +119,6 @@ AC_DEFUN([ZFS_AC_KERNEL_S_D_OP], [
 ])
 
 AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY], [
-        ZFS_AC_KERNEL_SRC_D_MAKE_ROOT
         ZFS_AC_KERNEL_SRC_D_OBTAIN_ALIAS
         ZFS_AC_KERNEL_SRC_D_PRUNE_ALIASES
         ZFS_AC_KERNEL_SRC_D_SET_D_OP
@@ -151,7 +127,6 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_DENTRY], [
 ])
 
 AC_DEFUN([ZFS_AC_KERNEL_DENTRY], [
-        ZFS_AC_KERNEL_D_MAKE_ROOT
         ZFS_AC_KERNEL_D_OBTAIN_ALIAS
         ZFS_AC_KERNEL_D_PRUNE_ALIASES
         ZFS_AC_KERNEL_D_SET_D_OP
diff --git a/include/os/linux/kernel/linux/dcache_compat.h b/include/os/linux/kernel/linux/dcache_compat.h
index 4d92e4dbd..de533a5fd 100644
--- a/include/os/linux/kernel/linux/dcache_compat.h
+++ b/include/os/linux/kernel/linux/dcache_compat.h
@@ -31,10 +31,6 @@
 #define	dname(dentry)	((char *)((dentry)->d_name.name))
 #define	dlen(dentry)	((int)((dentry)->d_name.len))
 
-#ifndef HAVE_D_MAKE_ROOT
-#define	d_make_root(inode)	d_alloc_root(inode)
-#endif /* HAVE_D_MAKE_ROOT */
-
 #define	d_alias			d_u.d_alias
 
 /*