diff --git a/.ci/dev/regression/Jenkinsfile b/.ci/dev/regression/Jenkinsfile
index c2c9249e70..836ccdb3b5 100644
--- a/.ci/dev/regression/Jenkinsfile
+++ b/.ci/dev/regression/Jenkinsfile
@@ -279,7 +279,7 @@ pipeline {
 
         stage('Publish Release Candidate to Internal Repository') {
             when {
-                expression { isReleaseCandidate }
+                expression { return false} // keeping stage to preserve Jenkins history on release branches, but not supported for patch builds pre 4.9
             }
             steps {
                 withCredentials([
diff --git a/docker/src/docker/Dockerfile b/docker/src/docker/Dockerfile
index d3d287a750..80eabe193d 100644
--- a/docker/src/docker/Dockerfile
+++ b/docker/src/docker/Dockerfile
@@ -1,5 +1,8 @@
 FROM azul/zulu-openjdk:8u192
 
+## Remove Azul Zulu repo, as it is gone by now
+RUN rm /etc/apt/sources.list.d/zulu.list
+
 ## Add packages, clean cache, create dirs, create corda user and change ownership
 RUN apt-get update && \
     apt-get -y upgrade && \