diff --git a/src/dolphinbookmarkhandler.h b/src/dolphinbookmarkhandler.h
index ac86f950c1..a750905007 100644
--- a/src/dolphinbookmarkhandler.h
+++ b/src/dolphinbookmarkhandler.h
@@ -14,7 +14,6 @@
 class DolphinMainWindow;
 class DolphinViewContainer;
 class KActionCollection;
-class KBookmarkManager;
 class KBookmarkMenu;
 class QMenu;
 
diff --git a/src/dolphinmainwindow.h b/src/dolphinmainwindow.h
index 921f5a4c94..396afbd906 100644
--- a/src/dolphinmainwindow.h
+++ b/src/dolphinmainwindow.h
@@ -37,7 +37,6 @@ class KNewFileMenu;
 class KHelpMenu;
 class KToolBarPopupAction;
 class QToolButton;
-class QIcon;
 class PlacesPanel;
 class TerminalPanel;
 
diff --git a/src/dolphinviewcontainer.h b/src/dolphinviewcontainer.h
index eeb9204c13..40e4978d9c 100644
--- a/src/dolphinviewcontainer.h
+++ b/src/dolphinviewcontainer.h
@@ -28,7 +28,6 @@ namespace KActivities {
 class FilterBar;
 class KMessageWidget;
 class QUrl;
-class KUrlNavigator;
 class DolphinSearchBox;
 class DolphinStatusBar;