diff --git a/src/Mod/Start/App/PreCompiled.h b/src/Mod/Start/App/PreCompiled.h
index 1646b56310..ef3103197a 100644
--- a/src/Mod/Start/App/PreCompiled.h
+++ b/src/Mod/Start/App/PreCompiled.h
@@ -25,15 +25,4 @@
 
 #include <FCConfig.h>
 
-// Exporting of App classes
-#ifdef FC_OS_WIN32
-# define AppStartExport __declspec(dllexport)
-# define PartExport  __declspec(dllimport)
-# define MeshExport     __declspec(dllimport)
-#else // for Linux
-# define AppStartExport
-# define PartExport
-# define MeshExport
-#endif
-
 #endif
diff --git a/src/Mod/Start/Gui/PreCompiled.h b/src/Mod/Start/Gui/PreCompiled.h
index 65d231db2f..c529adc283 100644
--- a/src/Mod/Start/Gui/PreCompiled.h
+++ b/src/Mod/Start/Gui/PreCompiled.h
@@ -25,15 +25,6 @@
 
 #include <FCConfig.h>
 
-// Importing of App classes
-#ifdef FC_OS_WIN32
-# define StartAppExport __declspec(dllimport)
-# define StartGuiExport __declspec(dllexport)
-#else // for Linux
-# define StartAppExport
-# define StartGuiExport
-#endif
-
 #ifdef _PreComp_
 // standard
 #include <iostream>
diff --git a/src/Mod/Start/Gui/Workbench.h b/src/Mod/Start/Gui/Workbench.h
index acd579cfe1..074036e7f1 100644
--- a/src/Mod/Start/Gui/Workbench.h
+++ b/src/Mod/Start/Gui/Workbench.h
@@ -31,7 +31,7 @@ namespace StartGui {
 /**
  * @author Werner Mayer
  */
-class StartGuiExport Workbench : public Gui::StdWorkbench
+class Workbench : public Gui::StdWorkbench
 {
     TYPESYSTEM_HEADER();