diff --git a/src/plugins/coreplugin/editormanager/editorview.cpp b/src/plugins/coreplugin/editormanager/editorview.cpp
index a3eaab0a5b3..c659566985c 100644
--- a/src/plugins/coreplugin/editormanager/editorview.cpp
+++ b/src/plugins/coreplugin/editormanager/editorview.cpp
@@ -63,10 +63,6 @@
 #include <QSplitter>
 #include <QStackedLayout>
 
-#ifdef Q_OS_MAC
-#include <qmacstyle_mac.h>
-#endif
-
 using namespace Core;
 using namespace Core::Internal;
 
diff --git a/src/plugins/coreplugin/editormanager/openeditorsview.cpp b/src/plugins/coreplugin/editormanager/openeditorsview.cpp
index 096a3b163f4..a76c334d7ab 100644
--- a/src/plugins/coreplugin/editormanager/openeditorsview.cpp
+++ b/src/plugins/coreplugin/editormanager/openeditorsview.cpp
@@ -48,9 +48,6 @@
 #include <QStyleOption>
 #include <QHeaderView>
 #include <QKeyEvent>
-#ifdef Q_OS_MAC
-#include <qmacstyle_mac.h>
-#endif
 
 using namespace Core;
 using namespace Core::Internal;
diff --git a/src/plugins/help/openpageswidget.cpp b/src/plugins/help/openpageswidget.cpp
index da8e380e9c0..ddbea4ec5a2 100644
--- a/src/plugins/help/openpageswidget.cpp
+++ b/src/plugins/help/openpageswidget.cpp
@@ -42,10 +42,6 @@
 #include <QMouseEvent>
 #include <QMenu>
 
-#ifdef Q_OS_MAC
-#include <qmacstyle_mac.h>
-#endif
-
 using namespace Help::Internal;
 
 // -- OpenPagesDelegate