diff --git a/.ci/Dockerfile b/.ci/Dockerfile
deleted file mode 100644
index fb93ac9f35c1..000000000000
--- a/.ci/Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-# The Flutter version is not important here, since the CI scripts update Flutter
-# before running. What matters is that the base image is pinned to minimize
-# unintended changes when modifying this file.
-FROM cirrusci/flutter@sha256:d99b1ba2602240a74722970b5c0cd704bbe60a7eba7557157c784f2f693c393f
-
-RUN apt-get update -y
diff --git a/.ci/scripts/check_version.sh b/.ci/scripts/check_version.sh
index a695281d7e22..4e7d0ecbcd8f 100755
--- a/.ci/scripts/check_version.sh
+++ b/.ci/scripts/check_version.sh
@@ -4,14 +4,13 @@
 # found in the LICENSE file.
 set -e
 
-# For pre-submit, this is currently run in Cirrus; see TODO below.
+# For pre-submit, check for missing or breaking changes that don't have a
+# corresponding override label.
 # For post-submit, ignore platform interface breaking version changes and
 # missing version/CHANGELOG detection since PR-level overrides aren't available
 # in post-submit.
 if [[ $LUCI_PR == "" ]]; then
   ./script/tool_runner.sh version-check --ignore-platform-interface-breaks
 else
-  # TODO(stuartmorgan): Migrate this check from Cirrus. See
-  # https://github.com/flutter/flutter/issues/130076
-  :
+  ./script/tool_runner.sh version-check --check-for-missing-changes --pr-labels="$PR_OVERRIDE_LABELS"
 fi
diff --git a/.ci/targets/repo_checks.yaml b/.ci/targets/repo_checks.yaml
index 72a4691a4f2e..ebf4994cd576 100644
--- a/.ci/targets/repo_checks.yaml
+++ b/.ci/targets/repo_checks.yaml
@@ -44,13 +44,14 @@ tasks:
     script: script/tool_runner.sh
     args: ["dependabot-check"]
     always: true
-  - name: publishability
-    script: script/tool_runner.sh
-    args: ["publish-check", "--allow-pre-release"]
-    always: true
   - name: CHANGELOG and version validation
     script: .ci/scripts/check_version.sh
     always: true
   - name: federated safety check
     script: .ci/scripts/check_federated_safety.sh
     always: true
+  # This is the slowest test, so prefer keeping it last.
+  - name: publishability
+    script: script/tool_runner.sh
+    args: ["publish-check", "--allow-pre-release"]
+    always: true
diff --git a/.cirrus.yml b/.cirrus.yml
deleted file mode 100644
index 71b801f4223f..000000000000
--- a/.cirrus.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-gcp_credentials: ENCRYPTED[!9409b709ab4de7293a70606cca13eaf42e9cbc704e8a6b4e3d2b09484cf997cbd2334e1eeafe23626ad07a726106df90!]
-
-# Run on PRs and main branch post submit only. Don't run tests when tagging.
-only_if: $CIRRUS_TAG == '' && ($CIRRUS_PR != '' || $CIRRUS_BRANCH == 'main')
-
-setup_template: &SETUP_TEMPLATE
-  upgrade_flutter_script:
-    - PINNED_VERSION=$(< .ci/flutter_master.version)
-    # Ensure that the repository has everything.
-    - cd $FLUTTER_HOME
-    - git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*"
-    - git fetch origin
-    # Switch to the pinned master version.
-    - git checkout $TARGET_TREEISH
-    # Run doctor to allow auditing of what version of Flutter the run is using.
-    - flutter doctor -v
-  tool_setup_script:
-    - .ci/scripts/prepare_tool.sh
-
-task:
-  << : *SETUP_TEMPLATE
-  gke_container:
-    dockerfile: .ci/Dockerfile
-    builder_image_name: docker-builder-linux # gce vm image
-    builder_image_project: flutter-cirrus
-    cluster_name: test-cluster
-    zone: us-central1-a
-    namespace: default
-  matrix:
-    # TODO(stuartmorgan): Migrate this to LUCI; See check_version.sh.
-    - name: version_check
-      only_if: $CIRRUS_PR != ''
-      version_script:
-        - ./script/tool_runner.sh version-check --check-for-missing-changes --pr-labels="$CIRRUS_PR_LABELS"