diff --git a/jobs/templates/includes/stage-apply-phabricator-diff.groovy.j2 b/jobs/templates/includes/stage-apply-phabricator-diff.groovy.j2
index 406f0ba..c7070f1 100644
--- a/jobs/templates/includes/stage-apply-phabricator-diff.groovy.j2
+++ b/jobs/templates/includes/stage-apply-phabricator-diff.groovy.j2
@@ -1,68 +1,69 @@
 stage('Apply phabricator diff') {
   steps {
     script {
       comment = sh(
         script: '''
         #!/bin/bash
         set -e
 
         ORIGINAL_TAG=base-revision-${BUILD_NUMBER}-D${REV_ID}
         ORIGINAL_COMMIT=$(git rev-parse --short=10 HEAD)
         echo "==== Patch application report for D${REV_ID} (id=${DIFF_ID}) ===="
         echo
         git tag -f ${ORIGINAL_TAG} >/dev/null
         git fetch -n ${STAGING_URI} +refs/tags/phabricator/diff/${DIFF_ID}:diff-target +refs/tags/phabricator/base/${DIFF_ID}:diff-base >/dev/null
         rebased=0
         if git merge-base --is-ancestor diff-base HEAD; then
             echo "**Rebasing** onto ${ORIGINAL_COMMIT}..."
             echo
             echo '```'
             git rebase --onto ${ORIGINAL_TAG} diff-base diff-target && rebased=1 || rebase_exit=$?
             echo '```'
             if [ $rebased -eq 0 ]; then
                 echo
                 echo "Rebase failed (ret=${rebase_exit})!"
                 echo
                 echo '```'
                 git rebase --abort || true
                 echo '```'
             fi
         fi
 
         merged=0
         if [ $rebased -eq 0 ]; then
             echo "Could not rebase; Attempt **merge** onto ${ORIGINAL_COMMIT}..."
             echo
             echo '```'
             git merge --no-edit diff-target && merged=1 || merge_exit=$?
             echo '```'
             if [ $merged -eq 0 ]; then
                 echo
                 echo "Merge failed (ret=${merge_exit})!"
                 echo
             fi
         fi
 
         if [ $merged -eq 1 -o $rebased -eq 1 ]; then
             echo
             echo "===== Changes applied before test ====="
             echo
             echo '```'
             git log ${ORIGINAL_TAG}..
             echo '```'
         else
             echo '**Attempts to apply the diff failed!**'
             exit 1
         fi
+        git tag -d ${ORIGINAL_TAG}
         ''',
         label: 'Apply patch',
         returnStdout: true,
       )
 
       writeFile(
         file: '.phabricator-comment',
         text: comment,
       )
     }
   }
 }