diff --git a/src/Gui/Selection/SelectionFilter.h b/src/Gui/Selection/SelectionFilter.h
index c4faf33357..4ffe5803d5 100644
--- a/src/Gui/Selection/SelectionFilter.h
+++ b/src/Gui/Selection/SelectionFilter.h
@@ -115,9 +115,6 @@ protected:
         return nullptr;
     }
 
-    static const char* nullString() {
-        return nullptr;
-    }
     SelectionFilterGate();
 
 protected: