diff --git a/.gitea/workflows/analysis.yml.back b/.gitea/workflows/analysis.yml.back
deleted file mode 100644
index adafc10..0000000
--- a/.gitea/workflows/analysis.yml.back
+++ /dev/null
@@ -1,15 +0,0 @@
-on: [push]
-
-jobs:
-  analysis:
-    permissions:
-      contents: read
-      id-token: write
-    name: perform flake analysis
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@main
-      - uses: DeterminateSystems/magic-nix-cache-action@main
-      - name: Check Nix flake inputs
-        uses: http://github.com/DeterminateSystems/flake-checker-action@main
diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index 02aacf9..4b5307c 100644
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -16,8 +16,6 @@ jobs:
         with:
           key: ${{ secrets.SSH_KEY }}
           known_hosts: ${{ secrets.KNOWN_HOSTS }}
-        with:
-          install_url: https://releases.nixos.org/nix/nix-2.28.5/install
       - uses: http://github.com/cachix/cachix-action@v16
         with:
           name: colmena