diff --git a/src/plugins/cmakeprojectmanager/cmakeeditor.h b/src/plugins/cmakeprojectmanager/cmakeeditor.h
index c4d1bfb8d9ca78e0f98a7b2452451dce81b33f85..6be2ba4b277559c4c50217037aca11ddf63324dc 100644
--- a/src/plugins/cmakeprojectmanager/cmakeeditor.h
+++ b/src/plugins/cmakeprojectmanager/cmakeeditor.h
@@ -42,10 +42,9 @@ class FontSettings;
 
 namespace CMakeProjectManager {
 
-class CMakeManager;
-
 namespace Internal {
 
+class CMakeManager;
 class CMakeHighlighter;
 
 class CMakeEditor;