--- a/src/documentmanager.h	Sat Jun 11 14:30:30 2022 +0300
+++ b/src/documentmanager.h	Sat Jun 11 15:20:24 2022 +0300
@@ -65,7 +65,6 @@
 	void collectReferences(QSet<QString> &referenced, const QString& name, const Model* model);
 	void updateDependencies(ModelInfo* model);
 	void prune();
-	bool isReferencedByAnything(const ModelId modelId) const;
 	void makePolygonCacheForModel(const ModelId modelId);
 };