diff --git a/src/libs/qmldebug/qpacketprotocol.h b/src/libs/qmldebug/qpacketprotocol.h
index 1055784368b..308fd7ba58c 100644
--- a/src/libs/qmldebug/qpacketprotocol.h
+++ b/src/libs/qmldebug/qpacketprotocol.h
@@ -66,7 +66,6 @@ public:
     QByteArray data() const;
 
 private:
-    void init(QIODevice::OpenMode mode);
     QBuffer buf;
 };