diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 4cd8496..44d5905 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -8,12 +8,6 @@ on:
     branches: [main]
   workflow_dispatch:
 
-# Supersede an in-progress run when a new commit is pushed (so a slow run does
-# not block the next iteration). Ignored by older Gitea, harmless if so.
-concurrency:
-  group: windows-ci
-  cancel-in-progress: true
-
 # Targets a self-hosted Windows runner inside mainland China. See README
 # "Continuous integration" for runner prerequisites. Key points:
 #   * github.com is unreachable here, so the checkout action is pulled from the