diff --git a/src/Mod/Sandbox/App/DocumentProtector.h b/src/Mod/Sandbox/App/DocumentProtector.h
index c3ad491258b0..3c051a72dd52 100644
--- a/src/Mod/Sandbox/App/DocumentProtector.h
+++ b/src/Mod/Sandbox/App/DocumentProtector.h
@@ -49,16 +49,8 @@ class SandboxAppExport DocumentProtector : public App::DocumentObserver
     void recompute();
 
 private:
-    /** Checks if a new document was created */
-    void slotCreatedDocument(const App::Document& Doc);
     /** Checks if the given document is about to be closed */
     void slotDeletedDocument(const App::Document& Doc);
-    /** Checks if a new object was added. */
-    void slotCreatedObject(const App::DocumentObject& Obj);
-    /** Checks if the given object is about to be removed. */
-    void slotDeletedObject(const App::DocumentObject& Obj);
-    /** The property of an observed object has changed */
-    void slotChangedObject(const App::DocumentObject& Obj, const App::Property& Prop);
     void validate();
 };