diff --git a/src/Mod/Fem/App/CMakeLists.txt b/src/Mod/Fem/App/CMakeLists.txt
index 12cb8bd54..5c86e29c9 100644
--- a/src/Mod/Fem/App/CMakeLists.txt
+++ b/src/Mod/Fem/App/CMakeLists.txt
@@ -133,7 +133,6 @@ SET(FemScripts_SRCS
     FemMeshGroup.py
     FemMeshRegion.py
     FemMeshTools.py
-    FemShellThickness.py
     FemSolverCalculix.py
     FemSolverZ88.py
     FemTools.py
diff --git a/src/Mod/Fem/CMakeLists.txt b/src/Mod/Fem/CMakeLists.txt
index 6018a607a..d99658b04 100755
--- a/src/Mod/Fem/CMakeLists.txt
+++ b/src/Mod/Fem/CMakeLists.txt
@@ -78,7 +78,6 @@ INSTALL(
         _TaskPanelFemBeamSection.py
         TaskPanelFemBeamSection.ui
 
-        FemShellThickness.py
         _FemShellThickness.py
         _ViewProviderFemShellThickness.py
         _CommandShellThickness.py
diff --git a/src/Mod/Fem/FemShellThickness.py b/src/Mod/Fem/FemShellThickness.py
deleted file mode 100644
index 89c95c962..000000000
--- a/src/Mod/Fem/FemShellThickness.py
+++ /dev/null
@@ -1,44 +0,0 @@
-# ***************************************************************************
-# *                                                                         *
-# *   Copyright (c) 2015 - Bernd Hahnebach <bernd@bimstatik.org>            *
-# *                                                                         *
-# *   This program is free software; you can redistribute it and/or modify  *
-# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
-# *   as published by the Free Software Foundation; either version 2 of     *
-# *   the License, or (at your option) any later version.                   *
-# *   for detail see the LICENCE text file.                                 *
-# *                                                                         *
-# *   This program is distributed in the hope that it will be useful,       *
-# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
-# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
-# *   GNU Library General Public License for more details.                  *
-# *                                                                         *
-# *   You should have received a copy of the GNU Library General Public     *
-# *   License along with this program; if not, write to the Free Software   *
-# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
-# *   USA                                                                   *
-# *                                                                         *
-# ***************************************************************************
-
-__title__ = "FemShellThickness"
-__author__ = "Bernd Hahnebach"
-__url__ = "http://www.freecadweb.org"
-
-## \addtogroup FEM
-#  @{
-
-import FreeCAD
-import _FemShellThickness
-
-
-def makeFemShellThickness(thickness=20.0, name="ShellThickness"):
-    '''makeFemShellThickness([thickness], [name]): creates an shellthickness object to define a plate thickness'''
-    obj = FreeCAD.ActiveDocument.addObject("Fem::FeaturePython", name)
-    _FemShellThickness._FemShellThickness(obj)
-    obj.Thickness = thickness
-    if FreeCAD.GuiUp:
-        import _ViewProviderFemShellThickness
-        _ViewProviderFemShellThickness._ViewProviderFemShellThickness(obj.ViewObject)
-    return obj
-
-#  @}
diff --git a/src/Mod/Fem/ObjectsFem.py b/src/Mod/Fem/ObjectsFem.py
index 96a18cd62..4bd4ba5ca 100644
--- a/src/Mod/Fem/ObjectsFem.py
+++ b/src/Mod/Fem/ObjectsFem.py
@@ -60,6 +60,18 @@ def makeBeamSection(sectiontype='Rectangular', width=10.0, height=25.0, name="Be
     return obj
 
 
+def makeShellThickness(thickness=20.0, name="ShellThickness"):
+    '''makeShellThickness([thickness], [name]): creates an shellthickness object to define a plate thickness'''
+    obj = FreeCAD.ActiveDocument.addObject("Fem::FeaturePython", name)
+    import _FemShellThickness
+    _FemShellThickness._FemShellThickness(obj)
+    obj.Thickness = thickness
+    if FreeCAD.GuiUp:
+        import _ViewProviderFemShellThickness
+        _ViewProviderFemShellThickness._ViewProviderFemShellThickness(obj.ViewObject)
+    return obj
+
+
 ########## constraints ##########
 def makeConstraintBearing(name):
     '''makeConstraintBearing(name): makes a Fem ConstraintBearing object'''
diff --git a/src/Mod/Fem/_CommandShellThickness.py b/src/Mod/Fem/_CommandShellThickness.py
index 9e757921b..7ba1693f2 100644
--- a/src/Mod/Fem/_CommandShellThickness.py
+++ b/src/Mod/Fem/_CommandShellThickness.py
@@ -45,8 +45,8 @@ class _CommandShellThickness(FemCommands):
 
     def Activated(self):
         FreeCAD.ActiveDocument.openTransaction("Create FemShellThickness")
-        FreeCADGui.addModule("FemShellThickness")
-        FreeCADGui.doCommand("FemGui.getActiveAnalysis().Member = FemGui.getActiveAnalysis().Member + [FemShellThickness.makeFemShellThickness()]")
+        FreeCADGui.addModule("ObjectsFem")
+        FreeCADGui.doCommand("FemGui.getActiveAnalysis().Member = FemGui.getActiveAnalysis().Member + [ObjectsFem.makeShellThickness()]")
 
 
 FreeCADGui.addCommand('Fem_ShellThickness', _CommandShellThickness())