diff --git a/src/plugins/coreplugin/editormanager/openeditorswindow.cpp b/src/plugins/coreplugin/editormanager/openeditorswindow.cpp
index abba9867ad5..42d0e551b78 100644
--- a/src/plugins/coreplugin/editormanager/openeditorswindow.cpp
+++ b/src/plugins/coreplugin/editormanager/openeditorswindow.cpp
@@ -32,7 +32,6 @@
 ***************************************************************************/
 
 #include "openeditorswindow.h"
-#include "editorgroup.h"
 #include "editormanager.h"
 
 #include <QtGui/QHeaderView>
diff --git a/src/plugins/coreplugin/mainwindow.cpp b/src/plugins/coreplugin/mainwindow.cpp
index ab4f8a12e7f..08d8bc1c11f 100644
--- a/src/plugins/coreplugin/mainwindow.cpp
+++ b/src/plugins/coreplugin/mainwindow.cpp
@@ -37,7 +37,6 @@
 #include "basemode.h"
 #include "coreimpl.h"
 #include "coreconstants.h"
-#include "editorgroup.h"
 #include "editormanager.h"
 #include "fancytabwidget.h"
 #include "filemanager.h"
diff --git a/src/plugins/coreplugin/scriptmanager/metatypedeclarations.h b/src/plugins/coreplugin/scriptmanager/metatypedeclarations.h
index 1e068b7cf45..1a2a62eff73 100644
--- a/src/plugins/coreplugin/scriptmanager/metatypedeclarations.h
+++ b/src/plugins/coreplugin/scriptmanager/metatypedeclarations.h
@@ -38,7 +38,6 @@
 #include <coreplugin/filemanager.h>
 #include <coreplugin/ifile.h>
 #include <coreplugin/editormanager/ieditor.h>
-#include <coreplugin/editormanager/editorgroup.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/icore.h>
 
diff --git a/src/plugins/coreplugin/scriptmanager/qworkbench_wrapper.cpp b/src/plugins/coreplugin/scriptmanager/qworkbench_wrapper.cpp
index e7dee79aefd..5e6cea2e074 100644
--- a/src/plugins/coreplugin/scriptmanager/qworkbench_wrapper.cpp
+++ b/src/plugins/coreplugin/scriptmanager/qworkbench_wrapper.cpp
@@ -36,7 +36,6 @@
 #include <wrap_helpers.h>
 
 #include <coreplugin/messagemanager.h>
-#include <coreplugin/editormanager/editorgroup.h>
 
 #include <utils/qtcassert.h>