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-rw-r--r--theories/Program/Subset.v16
1 files changed, 0 insertions, 16 deletions
diff --git a/theories/Program/Subset.v b/theories/Program/Subset.v
index 54d830c899..c414dc9cd6 100644
--- a/theories/Program/Subset.v
+++ b/theories/Program/Subset.v
@@ -65,22 +65,6 @@ Ltac pi_subset_proof := on_subset_proof pi_subset_proof_hyp.
Ltac pi_subset_proofs := repeat pi_subset_proof.
-(** Clear duplicated hypotheses *)
-
-Ltac clear_dup :=
- match goal with
- | [ H : ?X |- _ ] =>
- match goal with
- | [ H' : X |- _ ] =>
- match H' with
- | H => fail 2
- | _ => clear H' || clear H
- end
- end
- end.
-
-Ltac clear_dups := repeat clear_dup.
-
(** The two preceding tactics in sequence. *)
Ltac clear_subset_proofs :=