diff --git a/EExExportThreeJS.h b/EExExportThreeJS.h
index c37496e..ee063da 100644
--- a/EExExportThreeJS.h
+++ b/EExExportThreeJS.h
@@ -32,7 +32,7 @@ class __declspec(novtable) IExportThreeJS
 public:
     virtual ~IExportThreeJS( void) {}
     virtual bool SetOptions( int nFilter) = 0 ;
-    virtual bool Export( IGeomDB* pGDB, int nId, const std::string& sFile, const std::string& sFileM, IEGrScene* pScene) = 0 ;
+    virtual bool Export( IGeomDB* pGDB, int nId, const std::string& sFile, IEGrScene* pScene) = 0 ;
 };
 
 //-----------------------------------------------------------------------------
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 163c997..7f58e73 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -125,7 +125,7 @@ EXE_EXPORT bool ExeExportDxf( int nId, const std::string& sFilePath, int nFlag =
 EXE_EXPORT bool ExeExportStl( int nId, const std::string& sFilePath) ;
 EXE_EXPORT bool ExeExport3MF( int nId, const std::string& sFilePath) ;
 EXE_EXPORT bool ExeExportSvg( int nId, const std::string& sFilePath, int nFilter = 393) ;
-EXE_EXPORT bool ExeExportThreeJS( int nId, const std::string& sFilePath, const std::string& sFilePathM) ;
+EXE_EXPORT bool ExeExportThreeJS( int nId, const std::string& sFilePath) ;
 
 // BeamManager
 EXE_EXPORT bool ExeInitBeamMgr( int nFlag) ;