diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3963035d3b7b0a4e99e00776c22f3c4b5d1e0149..d95897f6d5239df6d8ebeeb70af1f2e2875724d0 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-stdpp"
     DOC_DIR: "coqdoc@center.mpi-sws.org:stdpp"
@@ -48,7 +46,6 @@ 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: