diff --git a/infra/config/global/generated/cr-buildbucket.cfg b/infra/config/global/generated/cr-buildbucket.cfg
index b11c10e..b94912c 100644
--- a/infra/config/global/generated/cr-buildbucket.cfg
+++ b/infra/config/global/generated/cr-buildbucket.cfg
@@ -30,10 +30,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-dbg-x86"
@@ -55,10 +51,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-rel-x64"
@@ -80,10 +72,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-rel-x86"
@@ -105,16 +93,12 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "mac-dbg"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-10.15"
+      dimensions: "os:Mac-10.15|Mac-11"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "tint"
@@ -134,16 +118,12 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "mac-rel"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-10.15"
+      dimensions: "os:Mac-10.15|Mac-11"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "tint"
@@ -163,10 +143,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-dbg-x64"
@@ -192,10 +168,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-dbg-x86"
@@ -221,10 +193,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-rel-x64"
@@ -250,10 +218,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-rel-x86"
@@ -279,10 +243,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-msvc-dbg-x64"
@@ -303,10 +263,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-msvc-rel-x64"
@@ -327,10 +283,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
   }
 }
@@ -369,10 +321,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-dbg-x86"
@@ -395,10 +343,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-rel-x64"
@@ -421,10 +365,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "linux-clang-rel-x86"
@@ -447,16 +387,12 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "mac-dbg"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-10.15"
+      dimensions: "os:Mac-10.15|Mac-11"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "tint"
@@ -477,16 +413,12 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "mac-rel"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-10.15"
+      dimensions: "os:Mac-10.15|Mac-11"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "tint"
@@ -507,10 +439,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "presubmit"
@@ -531,10 +459,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-dbg-x64"
@@ -561,10 +485,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-dbg-x86"
@@ -591,10 +511,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-rel-x64"
@@ -621,10 +537,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-clang-rel-x86"
@@ -651,10 +563,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-msvc-dbg-x64"
@@ -676,10 +584,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
     builders {
       name: "win-msvc-rel-x64"
@@ -701,10 +605,6 @@
         key: "luci.recipes.use_python3"
         value: 100
       }
-      experiments {
-        key: "luci.use_realms"
-        value: 100
-      }
     }
   }
 }
diff --git a/infra/config/global/generated/project.cfg b/infra/config/global/generated/project.cfg
index cfaeb59..182dc1e 100644
--- a/infra/config/global/generated/project.cfg
+++ b/infra/config/global/generated/project.cfg
@@ -7,7 +7,7 @@
 name: "tint"
 access: "group:all"
 lucicfg {
-  version: "1.30.1"
+  version: "1.30.4"
   package_dir: ".."
   config_dir: "generated"
   entry_point: "main.star"
diff --git a/infra/config/global/main.star b/infra/config/global/main.star
index ddf3bdc..b08d539 100755
--- a/infra/config/global/main.star
+++ b/infra/config/global/main.star
@@ -8,10 +8,7 @@
 main.star: lucicfg configuration for Tint's standalone builers.
 """
 
-# Enable realms experiment.
-lucicfg.enable_experiment("crbug.com/1085650")
 luci.builder.defaults.experiments.set({
-    "luci.use_realms": 100,
     "luci.recipes.use_python3": 100,
 })
 
@@ -98,7 +95,7 @@
 
 os = struct(
     LINUX = os_enum("Ubuntu-18.04", os_category.LINUX, "linux"),
-    MAC = os_enum("Mac-10.15", os_category.MAC, "mac"),
+    MAC = os_enum("Mac-10.15|Mac-11", os_category.MAC, "mac"),
     WINDOWS = os_enum("Windows-10", os_category.WINDOWS, "win"),
     UNKNOWN = os_enum("Unknown", os_category.UNKNOWN, "unknown"),
 )