diff --git a/Jenkinsfile b/Jenkinsfile
index e7603b578bf2c7718e67fbd9fda1674db49c07c0..d8c96668287416e971963faa8cbc32f1c4abae1d 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -24,13 +24,7 @@ def abortPreviousBuilds() {
     build.doKill()    //doTerm(),doKill(),doTerm()
   }
 }
-//abort previous build
-abortPreviousBuilds()
-def abort_previous(){
-  def buildNumber = env.BUILD_NUMBER as int
-  if (buildNumber > 1) milestone(buildNumber - 1)
-  milestone(buildNumber)
-}
+
 def pre_test(){
     catchError(buildResult: 'SUCCESS', stageResult: 'FAILURE') {
                 sh '''