diff --git a/src/Mod/PartDesign/App/FeatureSketchBased.cpp b/src/Mod/PartDesign/App/FeatureSketchBased.cpp
index 35c8ed255..2eff5419e 100644
--- a/src/Mod/PartDesign/App/FeatureSketchBased.cpp
+++ b/src/Mod/PartDesign/App/FeatureSketchBased.cpp
@@ -84,27 +84,6 @@
 
 using namespace PartDesign;
 
-// sort bounding boxes according to diagonal length
-class ProfileBased::Wire_Compare : public std::binary_function<const TopoDS_Wire&,
-                                                              const TopoDS_Wire&, bool> {
-public:
-    bool operator() (const TopoDS_Wire& w1, const TopoDS_Wire& w2)
-    {
-        Bnd_Box box1, box2;
-        if (!w1.IsNull()) {
-            BRepBndLib::Add(w1, box1);
-            box1.SetGap(0.0);
-        }
-
-        if (!w2.IsNull()) {
-            BRepBndLib::Add(w2, box2);
-            box2.SetGap(0.0);
-        }
-
-        return box1.SquareExtent() < box2.SquareExtent();
-    }
-};
-
 PROPERTY_SOURCE(PartDesign::ProfileBased, PartDesign::FeatureAddSub)
 
 ProfileBased::ProfileBased()
diff --git a/src/Mod/PartDesign/App/FeatureSketchBased.h b/src/Mod/PartDesign/App/FeatureSketchBased.h
index b447b3ae9..5e411b54c 100644
--- a/src/Mod/PartDesign/App/FeatureSketchBased.h
+++ b/src/Mod/PartDesign/App/FeatureSketchBased.h
@@ -143,7 +143,6 @@ protected:
 
     /// Check whether the line crosses the face (line and face must be on the same plane)
     static bool checkLineCrossesFace(const gp_Lin& line, const TopoDS_Face& face);
-    class Wire_Compare;
 
 
     /// Used to suggest a value for Reversed flag so that material is always removed (Groove) or added (Revolution) from the support