diff --git a/src/Input/input.hxx b/src/Input/input.hxx
index a23540e29..669858cb6 100644
--- a/src/Input/input.hxx
+++ b/src/Input/input.hxx
@@ -245,6 +245,8 @@ public:
    */
   virtual void doMouseMotion (int x, int y);
 
+  void bind ();
+  void unbind ();
 
 private:
 				// Constants