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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 5220c3a9c..4f47fff05 100644
--- a/contrib/setoid_ring/ZArithRing.v
+++ b/contrib/setoid_ring/ZArithRing.v
@@ -9,7 +9,6 @@
Require Export Ring.
Require Import ZArith_base.
Import InitialRing.
-Export Ring_tac.
Set Implicit Arguments.