diff --git a/ProcessLib/HydroMechanics/HydroMechanicsProcess-fwd.h b/ProcessLib/HydroMechanics/HydroMechanicsProcess-fwd.h
deleted file mode 100644
index c0a54772a7badf7cc291a6add13639a64d44bc1d..0000000000000000000000000000000000000000
--- a/ProcessLib/HydroMechanics/HydroMechanicsProcess-fwd.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * \copyright
- * Copyright (c) 2012-2015, OpenGeoSys Community (http://www.opengeosys.org)
- *            Distributed under a Modified BSD License.
- *              See accompanying file LICENSE.txt or
- *              http://www.opengeosys.org/project/license
- *
- */
-
-#pragma once
-
-#include "HydroMechanicsProcess.h"
-
-extern template class ProcessLib::HydroMechanics::HydroMechanicsProcess<2>;
-extern template class ProcessLib::HydroMechanics::HydroMechanicsProcess<3>;
diff --git a/ProcessLib/HydroMechanics/HydroMechanicsProcess.cpp b/ProcessLib/HydroMechanics/HydroMechanicsProcess.cpp
index 12614d40370c3eb923b5988244f79f9cd2aa7306..f10f9129265e875c611c1cca2513135442cfa9f6 100644
--- a/ProcessLib/HydroMechanics/HydroMechanicsProcess.cpp
+++ b/ProcessLib/HydroMechanics/HydroMechanicsProcess.cpp
@@ -8,7 +8,6 @@
  */
 
 #include "HydroMechanicsProcess.h"
-#include "HydroMechanicsProcess-fwd.h"
 
 namespace ProcessLib
 {