diff --git a/src/frontends/qt/GuiApplication.cpp b/src/frontends/qt/GuiApplication.cpp
index 9fa8d941d3..b3cfd5e5bf 100644
--- a/src/frontends/qt/GuiApplication.cpp
+++ b/src/frontends/qt/GuiApplication.cpp
@@ -87,7 +87,6 @@
 #include <QByteArray>
 #include <QDateTime>
 #include <QDesktopWidget>
-#include <QDir>
 #include <QEvent>
 #include <QFileOpenEvent>
 #include <QFileInfo>
diff --git a/src/frontends/qt/GuiViewSource.cpp b/src/frontends/qt/GuiViewSource.cpp
index 40752cde14..1a7a36cdd1 100644
--- a/src/frontends/qt/GuiViewSource.cpp
+++ b/src/frontends/qt/GuiViewSource.cpp
@@ -25,7 +25,6 @@
 #include "GuiView.h"
 #include "FuncRequest.h"
 #include "LyX.h"
-#include "Paragraph.h"
 #include "TexRow.h"
 
 #include "support/debug.h"
@@ -34,10 +33,7 @@
 #include "support/docstring_list.h"
 #include "support/gettext.h"
 
-#include <boost/crc.hpp>
-
 #include <QBoxLayout>
-#include <QComboBox>
 #include <QScrollBar>
 #include <QSettings>
 #include <QTextCursor>