diff --git a/.github/workflows/test-build-docker-image.yml b/.github/workflows/test-build-docker-image.yml
index a64ff386f3..6535a57439 100644
--- a/.github/workflows/test-build-docker-image.yml
+++ b/.github/workflows/test-build-docker-image.yml
@@ -439,15 +439,7 @@ jobs:
           set -o xtrace
 
           run_url='${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/attempts/${{ github.run_attempt }}'
-          common_parent_sha='${{ steps.merge.outputs.common_parent_sha }}'
-          common_parent_sha_short="$(echo "$common_parent_sha" | grep -o '^.\{8\}' || true)"
-          merged_upto_sha='${{ steps.merge.outputs.merged_upto_sha }}'
-          merged_upto_sha_short="$(echo "$merged_upto_sha" | grep -o '^.\{8\}' || true)"
-
-          details="🚨 TBP workflow failed in <$run_url|${{ github.run_id }}/attempts/${{ github.run_attempt }}>."
-
-          # This unwieldy horror of a sed command, converts standard Markdown links to Slack's unwieldy link syntax.
-          slack_message=$(echo "$details" | sed -E 's/\[([^]]+)\]\(([^)]+)\)/<\2|\1>/g')
+          slack_message="🚨 TBP workflow failed in <$run_url|${{ vars.EDITION }} attempt ${{ github.run_attempt }} (run ${{ github.run_id }})>."
 
           # This is the ChannelId of the tech channel.
           body="$(jq -nc \