diff --git a/src/plugins/qmakeprojectmanager/wizards/abstractmobileappwizard.h b/src/plugins/qmakeprojectmanager/wizards/abstractmobileappwizard.h
index 75c0c9e646f8008192f201914512488f06e88d0e..21ab16a028686aae2b36077b5fcb46480576d006 100644
--- a/src/plugins/qmakeprojectmanager/wizards/abstractmobileappwizard.h
+++ b/src/plugins/qmakeprojectmanager/wizards/abstractmobileappwizard.h
@@ -36,10 +36,7 @@
 
 namespace ProjectExplorer { class TargetSetupPage; }
 
-namespace QtSupport {
-class QtVersionNumber;
-class QtVersionManager;
-} // QtSupport
+namespace QtSupport { class QtVersionNumber; }
 
 namespace QmakeProjectManager {