diff --git a/src/tree_schema_free.c b/src/tree_schema_free.c
index ae23ff0..8895385 100644
--- a/src/tree_schema_free.c
+++ b/src/tree_schema_free.c
@@ -305,7 +305,7 @@
     FREE_ARRAY(ctx, dev->exts, lysp_ext_instance_free);
 }
 
-static void
+void
 lysp_refine_free(struct ly_ctx *ctx, struct lysp_refine *ref)
 {
     FREE_STRING(ctx, ref->nodeid);