diff --git a/src/Mod/Surface/Gui/Command.cpp b/src/Mod/Surface/Gui/Command.cpp
index 28740cebb0..fa1ddcdfbb 100644
--- a/src/Mod/Surface/Gui/Command.cpp
+++ b/src/Mod/Surface/Gui/Command.cpp
@@ -237,8 +237,6 @@ void CmdSurfaceExtendFace::activated(int)
 {
     Gui::SelectionFilter faceFilter("SELECT Part::Feature SUBELEMENT Face COUNT 1");
     if (faceFilter.match()) {
-        App::DocumentObject* obj;
-        obj = faceFilter.Result[0][0].getObject();
         const std::vector<std::string> &sub = faceFilter.Result[0][0].getSubNames();
         if (sub.size() == 1) {
             openCommand("Extend surface");