diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h
index b0d8c7994c..3450527af7 100644
--- a/include/sys/dsl_dataset.h
+++ b/include/sys/dsl_dataset.h
@@ -372,7 +372,6 @@ int dsl_dataset_rename_snapshot(const char *fsname,
     const char *oldsnapname, const char *newsnapname, boolean_t recursive);
 int dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname,
     minor_t cleanup_minor, const char *htag);
-boolean_t zfeature_active(spa_feature_t f, void *arg);
 
 blkptr_t *dsl_dataset_get_blkptr(dsl_dataset_t *ds);
 
diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
index 3cc7d68ebc..1fa73e8378 100644
--- a/module/zfs/dsl_dataset.c
+++ b/module/zfs/dsl_dataset.c
@@ -1039,7 +1039,7 @@ dsl_dataset_has_owner(dsl_dataset_t *ds)
 	return (rv);
 }
 
-boolean_t
+static boolean_t
 zfeature_active(spa_feature_t f, void *arg)
 {
 	switch (spa_feature_table[f].fi_type) {