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-rw-r--r--contrib/setoid_ring/ZArithRing.v1
1 files changed, 0 insertions, 1 deletions
diff --git a/contrib/setoid_ring/ZArithRing.v b/contrib/setoid_ring/ZArithRing.v
index 4f47fff05..d2e29cc5c 100644
--- a/contrib/setoid_ring/ZArithRing.v
+++ b/contrib/setoid_ring/ZArithRing.v
@@ -13,7 +13,6 @@ Import InitialRing.
Set Implicit Arguments.
Ltac isZcst t :=
- let t := eval hnf in t in
match t with
Z0 => constr:true
| Zpos ?p => isZcst p