diff --git a/.ci/dev/regression/Jenkinsfile b/.ci/dev/regression/Jenkinsfile
index 4fe8cac27b..a1743c9991 100644
--- a/.ci/dev/regression/Jenkinsfile
+++ b/.ci/dev/regression/Jenkinsfile
@@ -1,13 +1,9 @@
-@Library('corda-shared-build-pipeline-steps')
-import static com.r3.build.BuildControl.killAllExistingBuildsForJob
-
-killAllExistingBuildsForJob(env.JOB_NAME, env.BUILD_NUMBER.toInteger())
-
 pipeline {
     agent { label 'k8s' }
     options {
         timestamps()
         buildDiscarder(logRotator(daysToKeepStr: '7', artifactDaysToKeepStr: '7'))
+        disableConcurrentBuilds()
         timeout(time: 3, unit: 'HOURS')
     }
 
@@ -140,4 +136,4 @@ pipeline {
             deleteDir() /* clean up our workspace */
         }
     }
-}
\ No newline at end of file
+}