diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2dc089f4..a941129d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -126,8 +126,6 @@ jobs:
       with:
         ocaml-compiler: 4.14.x
         dune-cache: true
-    # Needed until https://github.com/robur-coop/ocaml-letsencrypt/pull/34.
-    - run: opam pin add letsencrypt git+https://github.com/hannesm/ocaml-letsencrypt.git#no-cstruct --no-action
     - run: opam install --yes --deps-only ./dream-pure.opam ./dream-httpaf.opam ./dream.opam ./dream-mirage.opam
     - run: opam install --yes mirage mirage-clock-unix mirage-crypto-rng-mirage
     - run: cd example/w-mirage && mv config.ml config.ml.backup