diff --git a/nix/homeModules/common/sioyek.nix b/nix/homeModules/common/sioyek.nix
index 056c27c4..dce4ca51 100644
--- a/nix/homeModules/common/sioyek.nix
+++ b/nix/homeModules/common/sioyek.nix
@@ -25,9 +25,6 @@
 
   xdg.mimeApps = lib.mkIf config.programs.sioyek.enable {
     enable = true;
-    associations.added = {
-      "application/pdf" = ["sioyek.desktop"];
-    };
     defaultApplications = {
       "application/pdf" = ["sioyek.desktop"];
     };