diff --git a/include/spl/sys/types.h b/include/spl/sys/types.h
index 483e36751..719a44646 100644
--- a/include/spl/sys/types.h
+++ b/include/spl/sys/types.h
@@ -27,14 +27,6 @@
 
 #include <linux/types.h>
 
-#ifndef ULLONG_MAX
-#define	ULLONG_MAX		(~0ULL)
-#endif
-
-#ifndef LLONG_MAX
-#define	LLONG_MAX		((long long)(~0ULL>>1))
-#endif
-
 typedef enum {
 	B_FALSE = 0,
 	B_TRUE = 1