diff --git a/Jenkinsfile b/Jenkinsfile
index f697ef3..2b53bf4 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -144,9 +144,9 @@ node('test')
       //logger.printInfo('job is getting deleted ' + currentBuild.id.toString())//job.nextBuildNumber)
       job.nextBuildNumber -= 1 //updateNextBuildNumber(job.getNextBuildNumber() - 1)      //resetting next build number does not work. if done, the next build start will do nothing
       //job.saveNextBuildNumber()
-      //job.getLastBuild().delete()
-      job.updateNextBuildNumber(job.nextBuildNumber - 1)
+      //job.updateNextBuildNumber(job.nextBuildNumber - 1)
       printDebug('NUMBER_after:' + job.nextBuildNumber)
+      job.getLastBuild().delete()
       job.save()
    }