diff --git a/src/highlighter_group.hh b/src/highlighter_group.hh
index ff9a2f05..c9a51d27 100644
--- a/src/highlighter_group.hh
+++ b/src/highlighter_group.hh
@@ -36,8 +36,6 @@ protected:
     HighlighterMap m_highlighters;
 };
 
-struct ScopeList;
-
 class Highlighters : public SafeCountable
 {
 public: