diff --git a/src/Mod/Fem/MechanicalMaterial.py b/src/Mod/Fem/MechanicalMaterial.py
index 3e0ee2d3985c..19c1e6a587af 100644
--- a/src/Mod/Fem/MechanicalMaterial.py
+++ b/src/Mod/Fem/MechanicalMaterial.py
@@ -128,7 +128,6 @@ def __init__(self,obj):
         self.obj = obj
 
         self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/MechanicalMaterial.ui")
-        self.params = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem")
 
         QtCore.QObject.connect(self.form.pushButton_MatWeb, QtCore.SIGNAL("clicked()"), self.goMatWeb)
         QtCore.QObject.connect(self.form.cb_materials, QtCore.SIGNAL("activated(int)"), self.chooseMat)