diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b43c12f..05b2aa2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,6 @@ jobs:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
           opam-repositories: |
             default: https://github.com/ocaml/opam-repository.git
-            alpha: git+https://github.com/kit-ty-kate/opam-alpha-repository
           opam-depext: false
 
       - run: opam install . --deps-only --with-test