diff --git a/jenkins/Dockerfile b/jenkins/Dockerfile
index 418d22c..cb12f4b 100644
--- a/jenkins/Dockerfile
+++ b/jenkins/Dockerfile
@@ -36,12 +36,9 @@ COPY init.groovy /usr/share/jenkins/ref/init.groovy.d/tcp-slave-agent-port.groov
 
 # jenkins version being bundled in this docker image
 ARG JENKINS_VERSION
-#ENV JENKINS_VERSION ${JENKINS_VERSION:-2.73.2}
 ENV JENKINS_VERSION ${JENKINS_VERSION:-2.89.2}
 
 # jenkins.war checksum, download will be validated using it
-# 2.73.2
-#ARG JENKINS_SHA=f6d1351beef34d980b32f8c463be505445f637e2fc62156fecd42891c53c97d3
 # 2.89.2
 ARG JENKINS_SHA=014f669f32bc6e925e926e260503670b32662f006799b133a031a70a794c8a14