Some cleanup.

c7fe8cd2 · Robbert Krebbers · 9d0d6825 · c7fe8cd2
Commit c7fe8cd2 authored Feb 24, 2013 by Robbert Krebbers
--- a/theories/list.v
+++ b/theories/list.v
@@ -581,15 +581,7 @@ Proof.
  * rewrite NoDup_nil.
    setoid_rewrite elem_of_nil. naive_solver.
  * rewrite !NoDup_cons.
-    setoid_rewrite elem_of_cons. setoid_rewrite elem_of_app.
-split.
-destruct IHl.
-intros [??].
-split.
-    naive_solver.
-
-    naive_solver.
-naive_solver.
+    setoid_rewrite elem_of_cons. setoid_rewrite elem_of_app. naive_solver.
 Qed.

 Global Instance NoDup_proper: