diff --git a/src/frontends/qt4/GuiPrefs.cpp b/src/frontends/qt4/GuiPrefs.cpp
index 9b6025ef8b..995f8fa28a 100644
--- a/src/frontends/qt4/GuiPrefs.cpp
+++ b/src/frontends/qt4/GuiPrefs.cpp
@@ -35,7 +35,6 @@
 #include "LyXAction.h"
 #include "LyX.h"
 #include "PanelStack.h"
-#include "paper.h"
 #include "Session.h"
 #include "SpellChecker.h"