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-rw-r--r--theories/Numbers/Integer/Binary/ZBinary.v2
1 files changed, 0 insertions, 2 deletions
diff --git a/theories/Numbers/Integer/Binary/ZBinary.v b/theories/Numbers/Integer/Binary/ZBinary.v
index d4796d1067..b92b303f0d 100644
--- a/theories/Numbers/Integer/Binary/ZBinary.v
+++ b/theories/Numbers/Integer/Binary/ZBinary.v
@@ -151,8 +151,6 @@ Definition pow := Zpower.
(** NB : we use a new Zsqrt defined in Zsqrt_def, the previous
module Zsqrt.v is now Zsqrt_compat.v *)
-Program Instance sqrt_wd : Proper (eq==>eq) Zsqrt.
-
Definition sqrt_spec := Zsqrt_spec.
Definition sqrt_neg := Zsqrt_neg.
Definition sqrt := Zsqrt.