schema compile FEATURE validate non-instantiated groupings
diff --git a/src/tree_schema_free.c b/src/tree_schema_free.c
index f66c70f..c3948a0 100644
--- a/src/tree_schema_free.c
+++ b/src/tree_schema_free.c
@@ -666,7 +666,7 @@
     }
 }
 
-static void
+void
 lysc_node_container_free(struct ly_ctx *ctx, struct lysc_node_container *node)
 {
     struct lysc_node *child, *child_next;