diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 39b163af..c7c2fcf5 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -34,16 +34,6 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      # r-ci's run.sh (hotfix a07614a, 2026-08-19) seds /etc/apt/apt-mirrors.txt
-      # unconditionally to drop the flaky azure mirror. That file only exists on
-      # GitHub-hosted runner images, not in containers, so the sed exits 2 and
-      # kills the step under `bash -e`. (r2u4ci escapes it via the /etc/r2u_ci
-      # stamp, which makes Bootstrap() skip BootstrapLinux entirely; drd has no
-      # such stamp.) An empty file is inert here -- containers never used the
-      # azure mirror. Drop once upstream guards the sed with `test -f`.
-      - name: Work around r-ci apt-mirrors.txt assumption
-        run: touch /etc/apt/apt-mirrors.txt
-
       - name: Setup
         uses: eddelbuettel/github-actions/r-ci@master