diff --git a/samples/propgrid/propgrid.cpp b/samples/propgrid/propgrid.cpp
index 1d9c2c6680..2c39a2bf42 100644
--- a/samples/propgrid/propgrid.cpp
+++ b/samples/propgrid/propgrid.cpp
@@ -3126,7 +3126,7 @@ bool cxApplication::OnInit()
     if ( frameSize.x > 500 )
         frameSize.x = 500;
 
-    FormMain* frame = Form1 = new FormMain( "wxPropertyGrid Sample", wxPoint(0,0), frameSize);
+    FormMain* frame = new FormMain( "wxPropertyGrid Sample", wxPoint(0,0), frameSize);
     frame->Show(true);
 
     //
diff --git a/samples/propgrid/propgrid.h b/samples/propgrid/propgrid.h
index 4e17958795..7eea92f3e8 100644
--- a/samples/propgrid/propgrid.h
+++ b/samples/propgrid/propgrid.h
@@ -275,9 +275,6 @@ class cxApplication : public wxApp
 public:
 
     virtual bool OnInit() wxOVERRIDE;
-
-private:
-    FormMain    *Form1;
 };
 
 wxDECLARE_APP(cxApplication);