diff --git a/theories/WildCat/NatTrans.v b/theories/WildCat/NatTrans.v
index 28b00c509c..eb47b3c164 100644
--- a/theories/WildCat/NatTrans.v
+++ b/theories/WildCat/NatTrans.v
@@ -176,8 +176,6 @@ Arguments Build_NatTrans {A B isgraph_A isgraph_B is2graph_B is01cat_B is1cat_B
 
 Global Existing Instance is1natural_nattrans.
 
-Hint Mode is1natural_nattrans - - - - - - - - - - + + : typeclass_instances.
-
 Definition issig_NatTrans {A B : Type} `{IsGraph A} `{Is1Cat B} (F G : A -> B)
   {ff : Is0Functor F} {fg : Is0Functor G}
   : _ <~> NatTrans F G := ltac:(issig).