diff --git a/.github/workflows/update.yaml b/.github/workflows/update.yaml
index cc59093..44ccd18 100644
--- a/.github/workflows/update.yaml
+++ b/.github/workflows/update.yaml
@@ -17,9 +17,7 @@ jobs:
         with:
           extra-conf: |
             extra-substituters = https://cache.garnix.io
-            extra-substituters = https://cosmic.cachix.org/
             extra-trusted-public-keys = cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g=
-            extra-trusted-public-keys = cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE=
       - name: Use nix cache
         uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Update flake.lock
diff --git a/hosts/builder/hm.nix b/hosts/builder/hm.nix
index 2abbe46..159e928 100644
--- a/hosts/builder/hm.nix
+++ b/hosts/builder/hm.nix
@@ -70,7 +70,6 @@
       ];
     };
     starship.enable = true;
-    sioyek.enable = true;
   };
   services = {
     gpg-agent = {