diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 438d32ce6765b938a74511ab7decafe8d2c51f87..17ec4b014040665da2e801bbb8a3761281c87c1b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -44,7 +44,6 @@ build-coq.8.9.0:
 build-iris.dev:
   <<: *template
   variables:
-    OCAML: "ocaml-base-compiler.4.07.0"
     OPAM_PINS: "coq version 8.10.dev   coq-stdpp.dev git git+https://gitlab.mpi-sws.org/iris/stdpp.git#$STDPP_REV   coq-iris.dev git git+https://gitlab.mpi-sws.org/iris/iris.git#$IRIS_REV   coq-orc11.dev git git+https://gitlab.mpi-sws.org/iris/orc11.git#$ORC11_REV   coq-gpfsl.dev git git+https://gitlab.mpi-sws.org/iris/gpfsl.git#$GPFSL_REV"
   except:
   only: