diff --git a/src/Mod/Part/Gui/DlgFilletEdges.cpp b/src/Mod/Part/Gui/DlgFilletEdges.cpp
index d9f593238a..138ccd3867 100644
--- a/src/Mod/Part/Gui/DlgFilletEdges.cpp
+++ b/src/Mod/Part/Gui/DlgFilletEdges.cpp
@@ -43,7 +43,6 @@
 # include <QItemSelection>
 # include <QItemSelectionModel>
 # include <QTimer>
-# include <boost/signal.hpp>
 # include <boost/bind.hpp>
 # include <Python.h>
 # include <Inventor/actions/SoSearchAction.h>
diff --git a/src/Tools/embedded/Qt/cxx/PreCompiled.h b/src/Tools/embedded/Qt/cxx/PreCompiled.h
index 2108530df5..c8e5fd06c4 100644
--- a/src/Tools/embedded/Qt/cxx/PreCompiled.h
+++ b/src/Tools/embedded/Qt/cxx/PreCompiled.h
@@ -5,27 +5,6 @@
 # pragma warning( disable : 4251 )
 #endif
 
-#if defined(signals) && defined(QOBJECTDEFS_H) && \
-  !defined(QT_MOC_CPP)
-#  undef signals
-#  define signals signals
-#endif
-
-#include <boost/signal.hpp>
-namespace boost
-{
-  namespace signalslib = signals;
-}
-
-#if defined(signals) && defined(QOBJECTDEFS_H) && \
-  !defined(QT_MOC_CPP)
-#  undef signals
-// Restore the macro definition of "signals", as it was
-// defined by Qt's <qobjectdefs.h>.
-#  define signals public
-#endif
-
-
 #ifdef FC_OS_WIN32
 // cmake generates this define
 # if defined (FreeCADPlugin_EXPORTS)
@@ -36,8 +15,8 @@ namespace boost
 # define MeshExport        __declspec(dllimport)
 #else // for Linux
 # define FC_PLUGIN_EXPORT
-# define MeshExport   
+# define MeshExport
 #endif
 
 
-#endif
\ No newline at end of file
+#endif