diff --git a/.github/workflows/multi-node-test-workflow.yml b/.github/workflows/multi-node-test-workflow.yml
index e0eb52ca7..6ba35e52f 100644
--- a/.github/workflows/multi-node-test-workflow.yml
+++ b/.github/workflows/multi-node-test-workflow.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           repository: 'opensearch-project/OpenSearch'
           path: OpenSearch
-          ref: '1.x'
+          ref: '1.1'
       - name: Build OpenSearch
         working-directory: ./OpenSearch
         run: ./gradlew publishToMavenLocal
diff --git a/.github/workflows/test-workflow.yml b/.github/workflows/test-workflow.yml
index 6098fc7d0..3c68b05ef 100644
--- a/.github/workflows/test-workflow.yml
+++ b/.github/workflows/test-workflow.yml
@@ -1,5 +1,5 @@
 name: Test Workflow
-# This workflow is triggered on pull requests and pushes to main or an opendistro release branch
+# This workflow is triggered on pull requests and pushes to main or an opensearch release branch
 on:
   pull_request:
     branches:
@@ -35,7 +35,7 @@ jobs:
         with:
           repository: 'opensearch-project/OpenSearch'
           path: OpenSearch
-          ref: '1.x'
+          ref: '1.1'
       - name: Build OpenSearch
         working-directory: ./OpenSearch
         run: ./gradlew publishToMavenLocal
diff --git a/integtest.sh b/integtest.sh
deleted file mode 100755
index 6d5aeb392..000000000
--- a/integtest.sh
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/bin/bash
-
-set -e
-
-function usage() {
-    echo ""
-    echo "This script is used to run integration tests for plugin installed on a remote OpenSearch/Dashboards cluster."
-    echo "--------------------------------------------------------------------------"
-    echo "Usage: $0 [args]"
-    echo ""
-    echo "Required arguments:"
-    echo "None"
-    echo ""
-    echo "Optional arguments:"
-    echo -e "-b BIND_ADDRESS\t, defaults to localhost | 127.0.0.1, can be changed to any IP or domain name for the cluster location."
-    echo -e "-p BIND_PORT\t, defaults to 9200 or 5601 depends on OpenSearch or Dashboards, can be changed to any port for the cluster location."
-    echo -e "-s SECURITY_ENABLED\t(true | false), defaults to true. Specify the OpenSearch/Dashboards have security enabled or not."
-    echo -e "-c CREDENTIAL\t(usename:password), no defaults, effective when SECURITY_ENABLED=true."
-    echo -e "-h\tPrint this message."
-    echo "--------------------------------------------------------------------------"
-}
-
-while getopts ":hb:p:s:c:" arg; do
-    case $arg in
-        h)
-            usage
-            exit 1
-            ;;
-        b)
-            BIND_ADDRESS=$OPTARG
-            ;;
-        p)
-            BIND_PORT=$OPTARG
-            ;;
-        s)
-            SECURITY_ENABLED=$OPTARG
-            ;;
-        c)
-            CREDENTIAL=$OPTARG
-            ;;
-        :)
-            echo "-${OPTARG} requires an argument"
-            usage
-            exit 1
-            ;;
-        ?)
-            echo "Invalid option: -${OPTARG}"
-            exit 1
-            ;;
-    esac
-done
-
-
-if [ -z "$BIND_ADDRESS" ]
-then
-  BIND_ADDRESS="localhost"
-fi
-
-if [ -z "$BIND_PORT" ]
-then
-  BIND_PORT="9200"
-fi
-
-if [ -z "$SECURITY_ENABLED" ]
-then
-  SECURITY_ENABLED="true"
-fi
-
-if [ -z "$CREDENTIAL" ]
-then
-  CREDENTIAL="admin:admin"
-  USERNAME=`echo $CREDENTIAL | awk -F ':' '{print $1}'`
-  PASSWORD=`echo $CREDENTIAL | awk -F ':' '{print $2}'`
-fi
-
-./gradlew integTest -Dtests.rest.cluster="$BIND_ADDRESS:$BIND_PORT" -Dtests.cluster="$BIND_ADDRESS:$BIND_PORT" -Dtests.clustername="opensearch-integrationtest" -Dhttps=$SECURITY_ENABLED -Duser=$USERNAME -Dpassword=$PASSWORD --console=plain -Dsecurity=$SECURITY_ENABLED
-