diff --git a/libs/ardour/ardour/plugin_insert.h b/libs/ardour/ardour/plugin_insert.h
index 69bf7eadb5..d80c759cff 100644
--- a/libs/ardour/ardour/plugin_insert.h
+++ b/libs/ardour/ardour/plugin_insert.h
@@ -138,9 +138,6 @@ class PluginInsert : public Processor
 		Hide,        ///< we `hide' some of the plugin's inputs by feeding them silence
 	};
 
-        PBD::Signal1<void,uint32_t> StartTouch;
-        PBD::Signal1<void,uint32_t> EndTouch;
-	
   private:
 	/* disallow copy construction */
 	PluginInsert (const PluginInsert&);