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-rw-r--r--toplevel/classes.ml4
1 files changed, 0 insertions, 4 deletions
diff --git a/toplevel/classes.ml b/toplevel/classes.ml
index b6c664020..e5c3322a3 100644
--- a/toplevel/classes.ml
+++ b/toplevel/classes.ml
@@ -37,10 +37,6 @@ let typeclasses_db = "typeclass_instances"
let qualid_of_con c =
Qualid (dummy_loc, shortest_qualid_of_global Idset.empty (ConstRef c))
-let set_rigid c =
- Auto.add_hints false [typeclasses_db]
- (Vernacexpr.HintsTransparency ([qualid_of_con c], false))
-
let _ =
Typeclasses.register_add_instance_hint
(fun inst pri ->