diff --git a/pkgs/by-name/up/upbound/sources-main.json b/pkgs/by-name/up/upbound/sources-main.json
index eb233e0cf6c4..675310331e1e 100644
--- a/pkgs/by-name/up/upbound/sources-main.json
+++ b/pkgs/by-name/up/upbound/sources-main.json
@@ -37,7 +37,6 @@
   "platformList": [
     "aarch64-darwin",
     "aarch64-linux",
-    "x86_64-darwin",
     "x86_64-linux"
   ],
   "version": "0.41.0-0.rc.0.152.g4da0ccab"
diff --git a/pkgs/by-name/up/upbound/sources-stable.json b/pkgs/by-name/up/upbound/sources-stable.json
index d9ae0996dd70..fdf6028efebf 100644
--- a/pkgs/by-name/up/upbound/sources-stable.json
+++ b/pkgs/by-name/up/upbound/sources-stable.json
@@ -37,7 +37,6 @@
   "platformList": [
     "aarch64-darwin",
     "aarch64-linux",
-    "x86_64-darwin",
     "x86_64-linux"
   ],
   "version": "0.40.3"
diff --git a/pkgs/by-name/up/upbound/update.hs b/pkgs/by-name/up/upbound/update.hs
index d7406f8717a9..11d41a852de5 100755
--- a/pkgs/by-name/up/upbound/update.hs
+++ b/pkgs/by-name/up/upbound/update.hs
@@ -65,7 +65,6 @@ main = do
   -- Architecture mapping
   let archMapping = Map.fromList
         [ ("aarch64-darwin", "darwin_arm64")
-        , ("x86_64-darwin", "darwin_amd64")
         , ("aarch64-linux", "linux_arm64")
         , ("x86_64-linux", "linux_amd64")
         ]