diff --git a/config/user-falloc_fl_punch_hole.m4 b/config/user-falloc_fl_punch_hole.m4
deleted file mode 100644
index 038e590ac7f8..000000000000
--- a/config/user-falloc_fl_punch_hole.m4
+++ /dev/null
@@ -1,23 +0,0 @@
-dnl #
-dnl # Check if the libc supports file hole punching.
-dnl #
-AC_DEFUN([ZFS_AC_CONFIG_USER_FALLOC_FL_PUNCH_HOLE], [
-	AC_MSG_CHECKING([whether FALLOC_FL_PUNCH_HOLE is defined in userspace])
-	AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-	[
-		#include <linux/falloc.h>
-	],
-	[
-		#ifndef FALLOC_FL_PUNCH_HOLE
-		#error FALLOC_FL_PUNCH_HOLE is undefined
-		#endif
-	])],
-	[
-		AC_DEFINE([HAVE_USER_FALLOC_FL_PUNCH_HOLE], 1,
-			[Define to 1 if the userspace provides FALLOC_FL_PUNCH_HOLE])
-		AC_MSG_RESULT([yes])
-	],
-	[
-		AC_MSG_RESULT([no])
-	])
-])
diff --git a/config/user.m4 b/config/user.m4
index 2b9c997b0bbf..4fcef3d5b64f 100644
--- a/config/user.m4
+++ b/config/user.m4
@@ -11,5 +11,4 @@ AC_DEFUN([ZFS_AC_CONFIG_USER], [
 	ZFS_AC_CONFIG_USER_LIBSELINUX
 	ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN
 	ZFS_AC_CONFIG_USER_STACK_GUARD
-	ZFS_AC_CONFIG_USER_FALLOC_FL_PUNCH_HOLE
 ])
diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index e9e1703e3ced..b69f62a9106d 100644
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -37,10 +37,7 @@
 #include <sys/utsname.h>
 #include <sys/time.h>
 #include <sys/systeminfo.h>
-
-#ifdef HAVE_USER_FALLOC_FL_PUNCH_HOLE
 #include <linux/falloc.h>
-#endif
 
 /*
  * Emulation of kernel services in userland.
@@ -716,7 +713,7 @@ fop_space(vnode_t *vp, int cmd, struct flock *bfp, int flag,
 	 * device, but in practice that never happens, so don't bother.
 	 */
 	
-#ifndef HAVE_USER_FALLOC_FL_PUNCH_HOLE
+#ifndef FALLOC_FL_PUNCH_HOLE
 
 	return EOPNOTSUPP;