diff --git a/.ci/docker-setup.sh b/.ci/docker-setup.sh
deleted file mode 100755
index d63efd90..00000000
--- a/.ci/docker-setup.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/bin/bash
-
-# This is intended to be run the plugin's root directory. `ci/unit/docker-test.sh`
-# Ensure you have Docker installed locally and set the ELASTIC_STACK_VERSION environment variable.
-set -e
-
-pull_docker_snapshot() {
-  project="${1?project name required}"
-  stack_version_alias="${2?stack version alias required}"
-  local docker_image="docker.elastic.co/${project}/${project}${DISTRIBUTION_SUFFIX}:${ELASTIC_STACK_VERSION}"
-  echo "Pulling $docker_image"
-  if docker pull "$docker_image" ; then
-    echo "docker pull successful"
-  else
-    case "$ELASTIC_STACK_VERSION_ARG" in
-      "8.previous"|"8.current"|"8.next")
-        exit 1
-        ;;
-      *)
-        exit 2
-        ;;
-    esac
-  fi
-}
-
-VERSION_URL="https://raw.githubusercontent.com/elastic/logstash/main/ci/logstash_releases.json"
-
-if [ -z "${ELASTIC_STACK_VERSION}" ]; then
-    echo "Please set the ELASTIC_STACK_VERSION environment variable"
-    echo "For example: export ELASTIC_STACK_VERSION=7.x"
-    exit 1
-fi
-
-# The ELASTIC_STACK_VERSION may be an alias, save the original before translating it
-ELASTIC_STACK_VERSION_ALIAS="$ELASTIC_STACK_VERSION"
-
-echo "Fetching versions from $VERSION_URL"
-VERSIONS=$(curl -s $VERSION_URL)
-
-if [[ "$SNAPSHOT" = "true" ]]; then
-  ELASTIC_STACK_RETRIEVED_VERSION=$(echo $VERSIONS | jq '.snapshots."'"$ELASTIC_STACK_VERSION"'"')
-  echo $ELASTIC_STACK_RETRIEVED_VERSION
-else
-  ELASTIC_STACK_RETRIEVED_VERSION=$(echo $VERSIONS | jq '.releases."'"$ELASTIC_STACK_VERSION"'"')
-fi
-
-if [[ "$ELASTIC_STACK_RETRIEVED_VERSION" != "null" ]]; then
-  # remove starting and trailing double quotes
-  ELASTIC_STACK_RETRIEVED_VERSION="${ELASTIC_STACK_RETRIEVED_VERSION%\"}"
-  ELASTIC_STACK_RETRIEVED_VERSION="${ELASTIC_STACK_RETRIEVED_VERSION#\"}"
-  echo "Translated $ELASTIC_STACK_VERSION to ${ELASTIC_STACK_RETRIEVED_VERSION}"
-  export ELASTIC_STACK_VERSION=$ELASTIC_STACK_RETRIEVED_VERSION
-elif [[ "$ELASTIC_STACK_VERSION" == "8.next" ]]; then
-  # we know "8.next" only exists between FF and GA of a minor
-  # exit 1 so the build is skipped
-  exit 1
-fi
-
-case "${DISTRIBUTION}" in
-  default) DISTRIBUTION_SUFFIX="" ;; # empty string when explicit "default" is given
-        *) DISTRIBUTION_SUFFIX="${DISTRIBUTION/*/-}${DISTRIBUTION}" ;;
-esac
-export DISTRIBUTION_SUFFIX
-
-echo "Testing against version: $ELASTIC_STACK_VERSION (distribution: ${DISTRIBUTION:-"default"})"
-
-if [[ "$ELASTIC_STACK_VERSION" = *"-SNAPSHOT" ]]; then
-    pull_docker_snapshot "logstash" $ELASTIC_STACK_VERSION_ALIAS
-    if [ "$INTEGRATION" == "true" ]; then
-      pull_docker_snapshot "elasticsearch" $ELASTIC_STACK_VERSION_ALIAS
-    fi
-fi
-
-if [ -f Gemfile.lock ]; then
-    rm Gemfile.lock
-fi
-
-CURRENT_DIR=$(dirname "${BASH_SOURCE[0]}")
-
-cd .ci
-
-export BUILDKIT_PROGRESS=plain
-if [ "$INTEGRATION" == "true" ]; then
-    docker-compose down
-    docker-compose build --quiet
-else
-    docker-compose down
-    docker-compose build logstash --quiet
-fi
diff --git a/.travis.yml b/.travis.yml
index 5e29addb..51b72de8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,8 +11,7 @@ jobs:
     - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=7.current
     - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=8.previous
     - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=8.current
-    - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=8.next
-    - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=9.next
+    - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=9.current
     - env: INTEGRATION=true SNAPSHOT=true LOG_LEVEL=info ELASTIC_STACK_VERSION=main
     - stage: "Secure Integration Tests"
       env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info ELASTIC_STACK_VERSION=7.current
@@ -22,5 +21,6 @@ jobs:
     - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info ELASTIC_STACK_VERSION=9.current
     - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info ELASTIC_STACK_VERSION=9.current ES_SSL_KEY_INVALID=true
     - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info ELASTIC_STACK_VERSION=9.current ES_SSL_SUPPORTED_PROTOCOLS=TLSv1.3
-    - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info SNAPSHOT=true ELASTIC_STACK_VERSION=8.next
-    - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info SNAPSHOT=true ELASTIC_STACK_VERSION=9.next
+    - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info SNAPSHOT=true ELASTIC_STACK_VERSION=8.current
+    - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info SNAPSHOT=true ELASTIC_STACK_VERSION=9.current
+    - env: SECURE_INTEGRATION=true INTEGRATION=true LOG_LEVEL=info SNAPSHOT=true ELASTIC_STACK_VERSION=main
\ No newline at end of file