diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h
index 770cb73f2..49d3b207a 100644
--- a/include/sys/zfs_context.h
+++ b/include/sys/zfs_context.h
@@ -283,21 +283,6 @@ struct bootstat {
 	uint64_t st_size;
 };
 
-typedef struct ace_object {
-	uid_t		a_who;
-	uint32_t	a_access_mask;
-	uint16_t	a_flags;
-	uint16_t	a_type;
-	uint8_t		a_obj_type[16];
-	uint8_t		a_inherit_obj_type[16];
-} ace_object_t;
-
-
-#define	ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE	0x05
-#define	ACE_ACCESS_DENIED_OBJECT_ACE_TYPE	0x06
-#define	ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE	0x07
-#define	ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE	0x08
-
 extern int zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr);
 extern int zfs_secpolicy_rename_perms(const char *from, const char *to,
     cred_t *cr);
diff --git a/lib/libspl/include/sys/acl.h b/lib/libspl/include/sys/acl.h
index 602043bbb..3e79040c5 100644
--- a/lib/libspl/include/sys/acl.h
+++ b/lib/libspl/include/sys/acl.h
@@ -141,8 +141,6 @@ typedef struct acl_info acl_t;
 
 #define	ACE_ALL_TYPES	0x001F
 
-#if defined(_KERNEL)
-
 typedef struct ace_object {
 	uid_t		a_who;		/* uid or gid */
 	uint32_t	a_access_mask;	/* read,write,... */
@@ -152,8 +150,6 @@ typedef struct ace_object {
 	uint8_t		a_inherit_obj_type[16];  /* inherit obj */
 } ace_object_t;
 
-#endif
-
 #define	ACE_ALL_PERMS	(ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
     ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
     ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \