diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6404bd58244e827e7d1dcbf742cb74c5f7b634de..f8f1c4ba4929d1d462e13b3ddc6005c7103df0fd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -479,7 +479,6 @@ docs-docs:
     - apt-get update && apt-get install -y git make sed wget
     - make docs
   cache:
-    key: $CI_COMMIT_REF_SLUG
     paths:
       - ./final