diff --git a/src/plugins/coreplugin/icore.cpp b/src/plugins/coreplugin/icore.cpp
index 7804b737562..a6bca0872f5 100644
--- a/src/plugins/coreplugin/icore.cpp
+++ b/src/plugins/coreplugin/icore.cpp
@@ -462,11 +462,6 @@ QWidget *ICore::mainWindow()
     return m_mainwindow;
 }
 
-Utils::AppMainWindow *ICore::appMainWindow()
-{
-    return m_mainwindow;
-}
-
 QStatusBar *ICore::statusBar()
 {
     return m_mainwindow->statusBar();
diff --git a/src/plugins/coreplugin/icore.h b/src/plugins/coreplugin/icore.h
index 210d7b69b7a..75a419488e2 100644
--- a/src/plugins/coreplugin/icore.h
+++ b/src/plugins/coreplugin/icore.h
@@ -43,10 +43,6 @@ class QWidget;
 template <class T> class QList;
 QT_END_NAMESPACE
 
-namespace Utils {
-class AppMainWindow;
-}
-
 namespace Core {
 class IWizard;
 class Context;
@@ -101,7 +97,6 @@ public:
     static QString buildCompatibilityString();
 
     static QWidget *mainWindow();
-    static Utils::AppMainWindow *appMainWindow();
     static QStatusBar *statusBar();
     /* Raises and activates the window for the widget. This contains workarounds for X11. */
     static void raiseWindow(QWidget *widget);
diff --git a/src/plugins/debugger/debuggermainwindow.cpp b/src/plugins/debugger/debuggermainwindow.cpp
index 7181d08baa7..2795368e294 100644
--- a/src/plugins/debugger/debuggermainwindow.cpp
+++ b/src/plugins/debugger/debuggermainwindow.cpp
@@ -270,10 +270,10 @@ DebuggerMainWindow::~DebuggerMainWindow()
 void DebuggerMainWindow::setCurrentEngine(DebuggerEngine *engine)
 {
     if (d->m_engine)
-        disconnect(d->m_engine, SIGNAL(raiseWindow()), ICore::appMainWindow(), SLOT(raiseWindow()));
+        disconnect(d->m_engine, SIGNAL(raiseWindow()), ICore::mainWindow(), SLOT(raiseWindow()));
     d->m_engine = engine;
     if (d->m_engine)
-        connect(d->m_engine, SIGNAL(raiseWindow()), ICore::appMainWindow(), SLOT(raiseWindow()));
+        connect(d->m_engine, SIGNAL(raiseWindow()), ICore::mainWindow(), SLOT(raiseWindow()));
 }
 
 DebuggerLanguages DebuggerMainWindow::activeDebugLanguages() const