diff --git a/microsoft/surface/repos.nix b/microsoft/surface/repos.nix
index 461f067..1ee00b9 100644
--- a/microsoft/surface/repos.nix
+++ b/microsoft/surface/repos.nix
@@ -13,12 +13,6 @@
     sha256 = "16a67baxlga8vb43zbby2s7kpp4488vczg3manmr9g3wxnhhb9n3";
   };
 
-  surface-go-ath10k-firmware_upstream = fetchurl {
-    url = "https://support.killernetworking.com/K1535_Debian/board.bin";
-    # url="https://www.killernetworking.com/support/K1535_Debian/board.bin";
-    sha256 = "0l8wfj8z4jbb31nzqkaxisby0n6061ix01c5di9bq66iby59j8py";
-  };
-
   surface-go-ath10k-firmware_backup = fetchFromGitHub {
     owner = "mexisme";
     repo = "linux-surface_ath10k-firmware";