diff --git a/build/install/OneClickInstall/install-RedHat/install-preq.sh b/build/install/OneClickInstall/install-RedHat/install-preq.sh
index 3ef483caf6..96d2219424 100644
--- a/build/install/OneClickInstall/install-RedHat/install-preq.sh
+++ b/build/install/OneClickInstall/install-RedHat/install-preq.sh
@@ -47,9 +47,7 @@ rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-$REV.noarch.r
 rpm -ivh https://rpms.remirepo.net/enterprise/remi-release-$REV.rpm || true
 yum localinstall -y --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-$REV.noarch.rpm
 
-MONOREV=$REV
 if [ "$REV" = "9" ]; then
-	MONOREV="8"
 	[ $DIST != "redhat" ] && TESTING_REPO="--enablerepo=crb" || /usr/bin/crb enable
 	update-crypto-policies --set DEFAULT:SHA1
 elif [ "$REV" = "8" ]; then
@@ -57,8 +55,8 @@ elif [ "$REV" = "8" ]; then
 fi
 
 #add rabbitmq & erlang repo
-curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | os=centos dist=$MONOREV bash
-curl -s https://packagecloud.io/install/repositories/rabbitmq/erlang/script.rpm.sh | os=centos dist=$MONOREV bash
+curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | os=centos dist=$REV bash
+curl -s https://packagecloud.io/install/repositories/rabbitmq/erlang/script.rpm.sh | os=centos dist=$REV bash
 
 #add nodejs repo
 curl -sL https://rpm.nodesource.com/setup_16.x | sed 's/centos|/'$DIST'|/g' |  sudo bash - || true