diff --git a/coq-iris.opam b/coq-iris.opam
index e88b762c11d3668a4e28a30e8f456e3515a8975c..6b718961231e5d89a74d0a4dde70ede1ae4ddbec 100644
--- a/coq-iris.opam
+++ b/coq-iris.opam
@@ -15,7 +15,7 @@ iris.prelude, iris.algebra, iris.si_logic, iris.bi, iris.proofmode, iris.base_lo
 
 depends: [
   "coq" { (>= "8.12" & < "8.15~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2021-09-06.1.64419715") | (= "dev") }
+  "coq-stdpp" { (= "dev.2021-09-27.0.7d5f3593") | (= "dev") }
 ]
 
 build: ["./make-package" "iris" "-j%{jobs}%"]
diff --git a/iris/bi/internal_eq.v b/iris/bi/internal_eq.v
index 65dec0d2847fae830dc5c258c79ac6c291a1ed6c..6dd1a42a78b717e431691b4e8228639d903dcaec 100644
--- a/iris/bi/internal_eq.v
+++ b/iris/bi/internal_eq.v
@@ -180,7 +180,6 @@ Lemma discrete_fun_equivI {A} {B : A → ofe} (f g : discrete_fun B) : f ≡ g 
 Proof.
   apply (anti_symm _); auto using fun_extI.
   apply (internal_eq_rewrite' f g (λ g, ∀ x : A, f x ≡ g x)%I); auto.
-  intros n h h' Hh; apply forall_ne=> x; apply internal_eq_ne; auto.
 Qed.
 Lemma ofe_morO_equivI {A B : ofe} (f g : A -n> B) : f ≡ g ⊣⊢ ∀ x, f x ≡ g x.
 Proof.