diff --git a/src/plugins/qmljseditor/qmljssemantichighlighter.h b/src/plugins/qmljseditor/qmljssemantichighlighter.h
index c32a69df89c..f1714b7a8e0 100644
--- a/src/plugins/qmljseditor/qmljssemantichighlighter.h
+++ b/src/plugins/qmljseditor/qmljssemantichighlighter.h
@@ -31,7 +31,6 @@
 #include <QVector>
 
 namespace QmlJS {
-class ScopeChain;
 namespace AST { class SourceLocation; }
 }