diff --git a/include/hpp/manipulation/fwd.hh b/include/hpp/manipulation/fwd.hh
index ae6263403b4e5797fb3101563ddac61b6e66819a..e35e105517979fcc611eec454727ad78f622bc27 100644
--- a/include/hpp/manipulation/fwd.hh
+++ b/include/hpp/manipulation/fwd.hh
@@ -123,8 +123,6 @@ namespace hpp {
     typedef core::vector3_t vector3_t;
     typedef core::matrix3_t matrix3_t;
 
-    typedef std::list < NumericalConstraintPtr_t > NumericalConstraints_t;
-
     typedef core::Shape_t Shape_t;
     typedef core::JointAndShape_t JointAndShape_t;
     typedef core::JointAndShapes_t JointAndShapes_t;