diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index de90980832..a17f142092 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -781,12 +781,6 @@ cross-version-config-tests:
     untracked: true
     expire_in: "1 day"
     when: always
-  # Changes in the January milestone necessitate allowing this job to fail. The
-  # "soft failure" should be reverted when January releases are published.
-  # - #4261 introduced extra artifacts check but missed a file visible only in
-  #   this job. This is fixed in !9815 but present in December releases.
-  #   System test affected: mkeys.
-  allow_failure: true
 
 # Jobs for regular GCC builds on Alpine Linux 3.21 (amd64)