diff --git a/.github/scripts/apply-mirror-patches.sh b/.github/scripts/apply-mirror-patches.sh
index 564f0e1c7cf2..6dd90f716946 100755
--- a/.github/scripts/apply-mirror-patches.sh
+++ b/.github/scripts/apply-mirror-patches.sh
@@ -72,7 +72,7 @@ for prefix in "${prefixes[@]}"; do
 
   # None of the variants apply. Re-run the first one verbosely so the
   # failure (and any conflict markers left by --3way) end up in the log for
-  # whoever rewrites the patch, human or Copilot.
+  # whoever rewrites the patch.
   if [[ -z "$chosen" ]]; then
     variant="${variants[0]}"
     echo "Applying $variant"
diff --git a/.github/scripts/report-stale-patch.sh b/.github/scripts/report-stale-patch.sh
index d543de1f82e9..5d9d5c805b0e 100755
--- a/.github/scripts/report-stale-patch.sh
+++ b/.github/scripts/report-stale-patch.sh
@@ -1,26 +1,14 @@
 #!/usr/bin/env bash
 # Called when a mirror patch stops applying to an upstream tag. Files an issue
-# describing what broke, then tries to put GitHub Copilot on it.
-#
-# The issue is the point of this script: it is the notification and the record,
-# and it is filed with whatever token is available. Assigning Copilot is a
-# best-effort extra, because it needs a PAT (GITHUB_TOKEN cannot assign the
-# agent) and because the fix is a judgement call either way — Copilot opens a
-# pull request against main, and a human merges it. Nothing here auto-merges:
-# a silently wrong reapplication would ship a build whose update button is
-# quietly dead.
+# describing what broke and mentions the repository owner. The issue is both the
+# notification and the record. Nothing here tries to fix the patch: a silently
+# wrong reapplication would ship a build whose update button is quietly dead.
 set -euo pipefail
 
-: "${TAG:?}" "${RUN_URL:?}" "${GITHUB_REPOSITORY:?}"
+: "${TAG:?}" "${RUN_URL:?}" "${GITHUB_REPOSITORY:?}" "${GITHUB_REPOSITORY_OWNER:?}"
 
 git checkout -- . 2>/dev/null || true
 
-request_copilot_fix() {
-  local issue_number="$1"
-  gh issue comment "$issue_number" --repo "$GITHUB_REPOSITORY" --body \
-    "@copilot Please update the stale mirror patch so \`.github/scripts/apply-mirror-patches.sh --check\` passes for \`$TAG\`. See the failed run: $RUN_URL"
-}
-
 # Name the patches that no longer apply, so the issue points at a file rather
 # than at a log the reader has to scroll.
 shopt -s nullglob
@@ -47,12 +35,13 @@ existing="$(gh issue list --repo "$GITHUB_REPOSITORY" --state open \
 if [[ -n "$existing" ]]; then
   gh issue comment "$existing" --repo "$GITHUB_REPOSITORY" \
     --body "Still failing on \`$TAG\`. [Run]($RUN_URL)."
-  request_copilot_fix "$existing"
   echo "Commented on existing issue #$existing."
   exit 0
 fi
 
 {
+  echo "@$GITHUB_REPOSITORY_OWNER"
+  echo
   echo "Building upstream \`$TAG\` stopped because a patch in \`mirror-patches/\` no longer applies."
   echo
   echo "Stale:"
@@ -76,7 +65,7 @@ fi
   done
   echo '```'
   echo
-  echo "Open a pull request against \`main\` with the updated patch file. Do not merge it: a patch that applies but no longer does the right thing ships a build whose in-app updater is silently broken, so a human reviews this one. Once it is merged, re-run the build for this tag from Actions → Mirror Linux build."
+  echo "Check the result carefully: a patch that applies but no longer does the right thing ships a build whose in-app updater is silently broken. Once the fix is on \`main\`, re-run the build for this tag from Actions → Mirror Linux build."
   echo
   echo "No upstream file is edited on \`main\` — only the patch file changes."
 } > /tmp/mirror-patch-issue.md
@@ -87,54 +76,3 @@ gh label create mirror-patch --repo "$GITHUB_REPOSITORY" \
 issue_url="$(gh issue create --repo "$GITHUB_REPOSITORY" \
   --title "$title" --label mirror-patch --body-file /tmp/mirror-patch-issue.md)"
 echo "Filed $issue_url"
-
-issue_number="${issue_url##*/}"
-request_copilot_fix "$issue_number"
-
-if [[ -z "${COPILOT_TOKEN:-}" ]]; then
-  echo "MIRROR_COPILOT_TOKEN is not set, so Copilot was not assigned. Fix the patch by hand, or add the secret." >&2
-  exit 0
-fi
-
-owner="${GITHUB_REPOSITORY%%/*}"
-name="${GITHUB_REPOSITORY##*/}"
-
-# Copilot is started by assigning it the issue; there is no workflow trigger
-# for it. It only appears in suggestedActors when the coding agent is enabled
-# for the repository and the token has the right scopes.
-export GH_TOKEN="$COPILOT_TOKEN"
-
-bot_id="$(gh api graphql -f owner="$owner" -f name="$name" \
-  -f query='
-    query($owner: String!, $name: String!) {
-      repository(owner: $owner, name: $name) {
-        suggestedActors(capabilities: [CAN_BE_ASSIGNED], first: 100) {
-          nodes { login ... on Bot { id } ... on User { id } }
-        }
-      }
-    }' \
-  --jq '.data.repository.suggestedActors.nodes[]
-        | select(.login == "Copilot" or .login == "copilot-swe-agent") | .id' 2>/dev/null || true)"
-
-issue_id="$(gh api graphql -f owner="$owner" -f name="$name" -F number="$issue_number" \
-  -f query='
-    query($owner: String!, $name: String!, $number: Int!) {
-      repository(owner: $owner, name: $name) { issue(number: $number) { id } }
-    }' \
-  --jq '.data.repository.issue.id' 2>/dev/null || true)"
-
-if [[ -z "$bot_id" || -z "$issue_id" ]]; then
-  echo "Copilot is not assignable in this repository; the issue stands on its own." >&2
-  exit 0
-fi
-
-gh api graphql \
-  -f assignableId="$issue_id" -f actorId="$bot_id" \
-  -f query='
-    mutation($assignableId: ID!, $actorId: ID!) {
-      replaceActorsForAssignable(input: { assignableId: $assignableId, actorIds: [$actorId] }) {
-        assignable { ... on Issue { number } }
-      }
-    }' >/dev/null
-
-echo "Assigned Copilot to $issue_url"
diff --git a/.github/workflows/mirror-linux-build.yml b/.github/workflows/mirror-linux-build.yml
index fc016a38fe12..fd1368ac7f55 100644
--- a/.github/workflows/mirror-linux-build.yml
+++ b/.github/workflows/mirror-linux-build.yml
@@ -36,7 +36,7 @@ jobs:
   # The fork's patches (see mirror-patches/README.md) are applied to upstream's
   # source at build time. Checking them here first means a patch that has
   # gone stale costs one two-minute job instead of four long ones, and gives
-  # a single place to hand the problem to Copilot.
+  # a single place to file an issue about it.
   preflight:
     name: Check patches apply
     runs-on: ubuntu-26.04
@@ -94,15 +94,11 @@ jobs:
             .github/scripts/report-stale-patch.sh
           .github/scripts/apply-mirror-patches.sh --check
 
-      - name: Hand the stale patch to Copilot
+      - name: File an issue about the stale patch
         if: failure() && steps.patches.outcome == 'failure'
         shell: bash
         env:
-          # GITHUB_TOKEN cannot assign the Copilot agent, so the assignment
-          # step needs a PAT. The issue itself is filed with either token, so
-          # the notification still arrives when the PAT is absent or expired.
-          GH_TOKEN: ${{ secrets.MIRROR_COPILOT_TOKEN || github.token }}
-          COPILOT_TOKEN: ${{ secrets.MIRROR_COPILOT_TOKEN }}
+          GH_TOKEN: ${{ github.token }}
           TAG: ${{ inputs.tag }}
           RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
         run: .github/scripts/report-stale-patch.sh