diff --git a/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/IMM_DigitizationTool.h b/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/IMM_DigitizationTool.h
deleted file mode 100644
index 5cc1d9a660c685ca357f856269d5253b1fff200c..0000000000000000000000000000000000000000
--- a/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/IMM_DigitizationTool.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
-  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
-*/
-
-#ifndef MM_DIGITIZATION_IMM_DIGITIZATIONTOOL_H
-#define MM_DIGITIZATION_IMM_DIGITIZATIONTOOL_H
-
-#include "MM_Digitization/MM_DigitToolOutput.h"
-#include "GaudiKernel/IAlgTool.h"
-/*-----------------------------------------------
-
-Created March 2013 by Nektarios Chr. Benekos
-
-Interface for tools which convert MicroMegas digitization input quantities into the signal
------------------------------------------------*/
-
-class MM_DigitToolInput;
-
-static const InterfaceID IID_IMM_DigitizationTool("IMM_DigitizationTool",1,0);
-
-class IMM_DigitizationTool : virtual public IAlgTool {
- public:
-
-  virtual MM_DigitToolOutput digitize(/*const MmDigitToolInput& input*/) = 0;
-
-  static const InterfaceID& interfaceID()
-    { return IID_IMM_DigitizationTool; }
-};
-
-#endif
diff --git a/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_DigitizationTool.h b/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_DigitizationTool.h
index 1ff605e575501ce7d6a4b686edf2044ee513a528..7eb4fd6a58168e9c5fbbf9abb689b837fd5bdd02 100644
--- a/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_DigitizationTool.h
+++ b/MuonSpectrometer/MuonDigitization/MM_Digitization/MM_Digitization/MM_DigitizationTool.h
@@ -61,7 +61,6 @@
 #include "NSWCalibTools/INSWCalibTool.h"
 #include "MagFieldConditions/AtlasFieldCacheCondObj.h"
 #include "MagFieldElements/AtlasFieldCache.h"
-#include "MM_Digitization/IMM_DigitizationTool.h"
 
 #include <memory>
 #include <string>