diff --git a/src/plugins/coco/cocolanguageclient.cpp b/src/plugins/coco/cocolanguageclient.cpp
index 4006a14550c..45cb39e9f74 100644
--- a/src/plugins/coco/cocolanguageclient.cpp
+++ b/src/plugins/coco/cocolanguageclient.cpp
@@ -194,7 +194,7 @@ public:
     }
 
 private:
-    void fontSettingsChanged(const TextEditor::FontSettings &fontSettings)
+    void fontSettingsChanged()
     {
         forAllMarks([](TextEditor::TextMark *mark){
             static_cast<CocoTextMark *>(mark)->updateAnnotationColor();