diff --git a/.github/actions/nix-shell/action.yml b/.github/actions/nix-shell/action.yml
deleted file mode 100644
index 34c63cc..0000000
--- a/.github/actions/nix-shell/action.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-name: "Prepare nix-shell"
-description:
-  Download cache, build nix-shell and potentially upload any new
-  derivations to cache
-
-inputs:
-  cachix_auth_token:
-    required: true
-
-runs:
-  using: "composite"
-  steps:
-    - uses: cachix/install-nix-action@v22
-      with:
-        nix_path: nixpkgs=./nix/default.nix
-
-    - uses: cachix/cachix-action@v12
-      with:
-        name: niteo-public
-        authToken: '${{ inputs.cachix_auth_token }}'
-
-    - name: Build nix-shell
-      shell: bash
-      run: nix-shell --run "echo 'nix-shell successfully entered'"
diff --git a/.github/actions/uncommitted-changes/action.yml b/.github/actions/uncommitted-changes/action.yml
deleted file mode 100644
index b96b0c0..0000000
--- a/.github/actions/uncommitted-changes/action.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: "Uncommitted Changes"
-description:
-  Fail if any uncommitted changes are detected.
-
-runs:
-  using: "composite"
-  steps:
-    - uses: tj-actions/verify-changed-files@v14
-      id: verify-changed-files
-
-    - name: List all changed files tracked and untracked files
-      if: steps.verify-changed-files.outputs.files_changed == 'true'
-      shell: bash
-      run: |
-        echo "Changed files: ${{ steps.verify-changed-files.outputs.changed_files }}"
-        exit 1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 959848f..3c34761 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,9 +30,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: ./.github/actions/nix-shell
+      - uses: teamniteo/gha-actions/nix@v2
         with:
-          cachix_auth_token: '${{ secrets.CACHIX_AUTH_TOKEN_PUBLIC }}'
+          cache: niteo-public
+          auth_token: '${{ secrets.CACHIX_AUTH_TOKEN_PUBLIC }}'
 
       - run: nix-shell --run "make lint all=true"
 
@@ -40,7 +41,7 @@ jobs:
 
       - run: nix-shell --run "make dist"
 
-      - uses: ./.github/actions/uncommitted-changes
+      - uses: teamniteo/gha-actions/uncommitted-changes@v2
 
 
 # yamllint disable
diff --git a/.github/workflows/nix-gh-cache.yml b/.github/workflows/nix-gh-cache.yml
deleted file mode 100644
index aa55051..0000000
--- a/.github/workflows/nix-gh-cache.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-# Build derivations for Linux and Apple Silicon and upload them to
-# Cachix
-
-name: Nix Cache
-
-on:
-  push:
-    paths:
-      - "**.nix"
-      - "**.lock"
-      - "**package.json"
-      - "**pyproject.toml"
-      - ".github/**.ya?ml"
-  workflow_dispatch:
-
-# Kill running jobs if a new commit is pushed to PR, or someone restarts
-# a job that is already running.
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-jobs:
-
-  prime:
-    name: Prime Cachix
-
-    strategy:
-      # Keep building other OSes even if one fails
-      fail-fast: false
-      matrix:
-        # ubuntu-latest-16-cores: Hosted GHA Linux runner, larger than default
-        #    so that this job primes the cache as much as possible before
-        #    other jobs that depend on the cache start running
-        # macos-latest: Hosted GHA Intel-based MAC runner
-        # macos-m1: TODO, GitHub says they will be available in Q4
-        os: [ubuntu-latest, macos-latest]
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v3
-      - uses: ./.github/actions/nix-shell
-        with:
-          cachix_auth_token: '${{ secrets.CACHIX_AUTH_TOKEN_PUBLIC }}'