diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d9af39a15b60450da9f9904010ab642025b4581e..a97070d7f22c17cbab7cd82c78e7f498ec9db47f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -30,14 +30,12 @@ variables:
 build-coq.dev:
   <<: *template
   variables:
-    OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version dev"
     CI_COQCHK: "1"
 
 build-coq.8.10.1:
   <<: *template
   variables:
-    OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version 8.10.1"
     OPAM_PKG: "coq-iris"
     DOC_DIR: "coqdoc@center.mpi-sws.org:iris"
@@ -49,7 +47,6 @@ build-coq.8.10.1:
 build-coq.8.10.0:
   <<: *template
   variables:
-    OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version 8.10.0"
 
 build-coq.8.9.1: