diff --git a/src/Mod/Fem/App/PreCompiled.h b/src/Mod/Fem/App/PreCompiled.h
index d1900c999a..639805892c 100644
--- a/src/Mod/Fem/App/PreCompiled.h
+++ b/src/Mod/Fem/App/PreCompiled.h
@@ -26,19 +26,6 @@
 
 #include <FCConfig.h>
 
-// Exporting of App classes
-#ifdef FC_OS_WIN32
-# define AppFemExport   __declspec(dllexport)
-# define FemExport      __declspec(dllexport)
-# define PartExport     __declspec(dllimport)
-# define MeshExport     __declspec(dllimport)
-#else // for Linux
-# define AppFemExport
-# define FemExport
-# define PartExport
-# define MeshExport
-#endif
-
 #ifdef _MSC_VER
 # pragma warning(disable : 4290)
 # pragma warning(disable : 4275)
diff --git a/src/Mod/Fem/FemGlobal.h b/src/Mod/Fem/FemGlobal.h
index 749e30e62d..b2703d8c38 100644
--- a/src/Mod/Fem/FemGlobal.h
+++ b/src/Mod/Fem/FemGlobal.h
@@ -20,11 +20,6 @@
  *                                                                         *
  ***************************************************************************/
 
- // this file contains the export macros for the App and Gui module
- // for Qt Designer, see e.g. 
- // https://forum.freecadweb.org/viewtopic.php?p=558050#p558050
- // why this is necessary
-
 #include <FCGlobal.h>
 
 #ifndef FEM_GLOBAL_H
diff --git a/src/Mod/Fem/Gui/PreCompiled.h b/src/Mod/Fem/Gui/PreCompiled.h
index 76b59621c5..01c34e89df 100644
--- a/src/Mod/Fem/Gui/PreCompiled.h
+++ b/src/Mod/Fem/Gui/PreCompiled.h
@@ -26,19 +26,6 @@
 
 #include <FCConfig.h>
 
-// Importing of App classes
-#ifdef FC_OS_WIN32
-# define AppFemExport   __declspec(dllimport)
-# define FemExport   __declspec(dllimport)
-# define PartExport  __declspec(dllimport)
-# define FemGuiExport   __declspec(dllexport)
-#else // for Linux
-# define PartExport
-# define AppFemExport
-# define FemExport
-# define FemGuiExport
-#endif
-
 #ifdef _MSC_VER
 # pragma warning(disable : 4005)
 # pragma warning(disable : 4290)