diff --git a/src/NETGENPlugin/NETGENPlugin_NETGEN_3D_Remote.cxx b/src/NETGENPlugin/NETGENPlugin_NETGEN_3D_Remote.cxx
index ad34d32..6dcda6f 100644
--- a/src/NETGENPlugin/NETGENPlugin_NETGEN_3D_Remote.cxx
+++ b/src/NETGENPlugin/NETGENPlugin_NETGEN_3D_Remote.cxx
@@ -49,14 +49,8 @@
 #include <QString>
 #include <QProcess>
 
-#ifdef WIN32
-#include <filesystem>
-namespace fs = std::filesystem;
-#else
 #include <boost/filesystem.hpp>
 namespace fs = boost::filesystem;
-#endif
-
 /*
   Netgen include files
 */