diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index affeca794e43ed4ba7c9536f5831b70b0d145b1d..5bfbe2b983b3de0f1438f22df9ca11bdf608c457 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,6 @@ variables:
 cache:
   paths:
     - "$CI_PROJECT_DIR/pip-cache"
-  key: "$CI_PROJECT_ID"
 
 test:
   script: