diff --git a/gpfsl/logic/relacq.v b/gpfsl/logic/relacq.v
index d7dc2427eeb4e400a007d06fe8ede7b5108bb8af..344530b5b4eea3c27e4a0e16e9795ed7cfbdd989 100644
--- a/gpfsl/logic/relacq.v
+++ b/gpfsl/logic/relacq.v
@@ -55,7 +55,6 @@ Section RelAcqProp.
   Proof.
     unseal. iIntros "obj".
     iExists ∅. rewrite -view_at_objectively. iFrame "obj".
-    rewrite (_: (◯ to_latT (∅: threadView) : authR _) = ε) //.
     rewrite -embed_bupd. by iApply own_unit.
   Qed.