diff --git a/flake.lock b/flake.lock
index 1717c58..7dccc82 100644
--- a/flake.lock
+++ b/flake.lock
@@ -307,11 +307,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1772807318,
-        "narHash": "sha256-Qjw6ILt8cb2HQQpCmWNLMZZ63wEo1KjTQt+1BcQBr7k=",
+        "lastModified": 1772845525,
+        "narHash": "sha256-Dp5Ir2u4jJDGCgeMRviHvEQDe+U37hMxp6RSNOoMMPc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "daa2c221320809f5514edde74d0ad0193ad54ed8",
+        "rev": "27b93804fbef1544cb07718d3f0a451f4c4cd6c0",
         "type": "github"
       },
       "original": {
diff --git a/modules/home/emacs.nix b/modules/home/emacs.nix
index bdaa361..5b54cf6 100644
--- a/modules/home/emacs.nix
+++ b/modules/home/emacs.nix
@@ -131,7 +131,7 @@ in {
 
       xdg.mimeApps = {
         enable = true;
-        associations.defaultApplicationPackages = [
+        defaultApplicationPackages = [
           sydmacs
         ];
       };
diff --git a/modules/home/users/msyds/sioyek.nix b/modules/home/users/msyds/sioyek.nix
index bddd10f..5d5f51b 100644
--- a/modules/home/users/msyds/sioyek.nix
+++ b/modules/home/users/msyds/sioyek.nix
@@ -15,11 +15,6 @@ in {
         "screen_down_smooth" = [ "d" "<C-d>" ];
         "screen_up_smooth" = [ "u" "<C-u>" ];
       };
-      config = {
-        startup_commands = ''
-          toggle_dark_mode
-        '';
-      };
     };
   };
 }