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-rw-r--r--theories/Classes/RelationPairs.v1
1 files changed, 0 insertions, 1 deletions
diff --git a/theories/Classes/RelationPairs.v b/theories/Classes/RelationPairs.v
index 8ce3e4b6b..cbde5f9ab 100644
--- a/theories/Classes/RelationPairs.v
+++ b/theories/Classes/RelationPairs.v
@@ -42,7 +42,6 @@ Generalizable Variables A B RA RB Ri Ro f.
Definition RelCompFun {A} {B : Type}(R:relation B)(f:A->B) : relation A :=
fun a a' => R (f a) (f a').
-Typeclasses Opaque RelCompFun.
Infix "@@" := RelCompFun (at level 30, right associativity) : signature_scope.