diff --git a/.github/actions/kubebuilder/Dockerfile b/.github/actions/kubebuilder/Dockerfile
deleted file mode 100644
index 2ebd6334..00000000
--- a/.github/actions/kubebuilder/Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-FROM giantswarm/tiny-tools
-
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]
diff --git a/.github/actions/kubebuilder/action.yml b/.github/actions/kubebuilder/action.yml
deleted file mode 100644
index b582dbbd..00000000
--- a/.github/actions/kubebuilder/action.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: 'kubebuilder'
-description: 'A GitHub Action to run kubebuilder commands'
-author: 'Stefan Prodan'
-branding:
-  icon: 'command'
-  color: 'blue'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
diff --git a/.github/actions/kubebuilder/entrypoint.sh b/.github/actions/kubebuilder/entrypoint.sh
deleted file mode 100644
index f7f2dad4..00000000
--- a/.github/actions/kubebuilder/entrypoint.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh -l
-
-VERSION=2.3.1
-
-curl -sL https://go.kubebuilder.io/dl/${VERSION}/linux/amd64 | tar -xz -C /tmp/
-
-mkdir -p $GITHUB_WORKSPACE/kubebuilder
-mv /tmp/kubebuilder_${VERSION}_linux_amd64/* $GITHUB_WORKSPACE/kubebuilder/
-ls -lh $GITHUB_WORKSPACE/kubebuilder/bin
-
-echo "::add-path::$GITHUB_WORKSPACE/kubebuilder/bin"
-echo "::add-path::$RUNNER_WORKSPACE/$(basename $GITHUB_REPOSITORY)/kubebuilder/bin"
diff --git a/.github/actions/kustomize/Dockerfile b/.github/actions/kustomize/Dockerfile
deleted file mode 100644
index 2ebd6334..00000000
--- a/.github/actions/kustomize/Dockerfile
+++ /dev/null
@@ -1,6 +0,0 @@
-FROM giantswarm/tiny-tools
-
-COPY entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]
diff --git a/.github/actions/kustomize/action.yml b/.github/actions/kustomize/action.yml
deleted file mode 100644
index bd53d1d7..00000000
--- a/.github/actions/kustomize/action.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: 'kustomize'
-description: 'A GitHub Action to run kustomize commands'
-author: 'Stefan Prodan'
-branding:
-  icon: 'command'
-  color: 'blue'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
diff --git a/.github/actions/kustomize/entrypoint.sh b/.github/actions/kustomize/entrypoint.sh
deleted file mode 100644
index 9ca798a5..00000000
--- a/.github/actions/kustomize/entrypoint.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh -l
-
-VERSION=3.1.0
-curl -sfLo kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v${VERSION}/kustomize_${VERSION}_linux_amd64
-
-mkdir -p $GITHUB_WORKSPACE/bin
-cp ./kustomize $GITHUB_WORKSPACE/bin
-chmod +x $GITHUB_WORKSPACE/bin/kustomize
-ls -lh $GITHUB_WORKSPACE/bin
-
-echo "::add-path::$GITHUB_WORKSPACE/bin"
-echo "::add-path::$RUNNER_WORKSPACE/$(basename $GITHUB_REPOSITORY)/bin"
diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 91f8850e..c0fce8fd 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -26,9 +26,9 @@ jobs:
       - name: Setup Kubernetes
         uses: engineerd/setup-kind@v0.3.0
       - name: Setup Kustomize
-        uses: ./.github/actions/kustomize
+        uses: fluxcd/pkg/actions/kustomize@master
       - name: Setup Kubebuilder
-        uses: ./.github/actions/kubebuilder
+        uses: fluxcd/pkg/actions/kubebuilder@master
       - name: Run tests
         run: make test
         env: