diff --git a/infra/testing/builders.pyl b/infra/testing/builders.pyl
index bb59d0f168..c68c1d29ff 100644
--- a/infra/testing/builders.pyl
+++ b/infra/testing/builders.pyl
@@ -1329,30 +1329,6 @@
       {'name': 'v8testing', 'variant': 'extra', 'shards': 2},
     ],
   },
-  'V8 Official Mac ARM64': {
-    'swarming_dimensions': {
-      'cpu': 'x86-64',
-      'os': 'Mac-10.15',
-    },
-    'tests': [
-      {'name': 'mozilla'},
-      {'name': 'test262', 'variant': 'default', 'shards': 2},
-      {'name': 'v8testing', 'shards': 2},
-      {'name': 'v8testing', 'variant': 'extra'},
-    ],
-  },
-  'V8 Official Mac ARM64 Debug': {
-    'swarming_dimensions': {
-      'cpu': 'x86-64',
-      'os': 'Mac-10.15',
-    },
-    'tests': [
-      {'name': 'mozilla'},
-      {'name': 'test262', 'variant': 'default', 'shards': 2},
-      {'name': 'v8testing', 'shards': 4},
-      {'name': 'v8testing', 'variant': 'extra', 'shards': 2},
-    ],
-  },
   'V8 Mac64 ASAN': {
     'swarming_dimensions': {
       'cpu': 'x86-64',