diff --git a/config/spl-build.m4 b/config/spl-build.m4
index 2a3d278de..af3ce23d1 100644
--- a/config/spl-build.m4
+++ b/config/spl-build.m4
@@ -23,7 +23,6 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
 	SPL_AC_DEBUG_KMEM_TRACKING
 	SPL_AC_TEST_MODULE
 	SPL_AC_ATOMIC_SPINLOCK
-	SPL_AC_TYPE_UINTPTR_T
 	SPL_AC_SHRINKER_CALLBACK
 	SPL_AC_CTL_NAME
 	SPL_AC_VMALLOC_INFO
@@ -806,25 +805,6 @@ AC_DEFUN([SPL_AC_ATOMIC_SPINLOCK], [
 	AC_MSG_RESULT([$have_atomic64_t])
 ])
 
-dnl #
-dnl # 2.6.24 API change,
-dnl # check if uintptr_t typedef is defined
-dnl #
-AC_DEFUN([SPL_AC_TYPE_UINTPTR_T],
-	[AC_MSG_CHECKING([whether kernel defines uintptr_t])
-	SPL_LINUX_TRY_COMPILE([
-		#include <linux/types.h>
-	],[
-		uintptr_t *ptr __attribute__ ((unused));
-	],[
-		AC_MSG_RESULT([yes])
-		AC_DEFINE(HAVE_UINTPTR_T, 1,
-		          [kernel defines uintptr_t])
-	],[
-		AC_MSG_RESULT([no])
-	])
-])
-
 AC_DEFUN([SPL_AC_SHRINKER_CALLBACK],[
 	tmp_flags="$EXTRA_KCFLAGS"
 	EXTRA_KCFLAGS="-Werror"
diff --git a/include/sys/types.h b/include/sys/types.h
index 11a325494..a2b68efe3 100644
--- a/include/sys/types.h
+++ b/include/sys/types.h
@@ -44,10 +44,6 @@
 #include <linux/delay.h>
 #include <linux/wait_compat.h>
 
-#ifndef HAVE_UINTPTR_T
-typedef unsigned long			uintptr_t;
-#endif
-
 #ifndef ULLONG_MAX
 #define ULLONG_MAX			(~0ULL)
 #endif