diff --git a/examples/inverse_dynamics/external_force_set.py b/examples/inverse_dynamics/external_force_set.py
deleted file mode 100644
index 460e7512..00000000
--- a/examples/inverse_dynamics/external_force_set.py
+++ /dev/null
@@ -1,23 +0,0 @@
-from .three_link_pendulum import build_n_link_pendulum
-
-model = build_n_link_pendulum(nb_segments=3)
-
-# Options 1
-# external_force_set = ExternalForceSet.empty_from_nb_segment(model.nb_segments)
-
-# Options 2
-external_force_set = model.external_force_set()
-
-# add forces and moment
-# point_of_application = [0, 0, 0]
-# moment_only = [0, 0, 0]
-# moment_and_force = [1, 0, 0, 0, 0, 0]
-
-external_force_set.add_in_global("segment", moment_and_force, point_of_application)
-external_force_set.add_in_global_local_point("segment", moment_and_force, point_of_application)
-external_force_set.add_in_local("segment", moment_and_force, point_of_application)
-
-
-
-
-