diff --git a/infra/config/commit-queue.cfg b/infra/config/commit-queue.cfg
index ac8c474e27..75e61e9123 100644
--- a/infra/config/commit-queue.cfg
+++ b/infra/config/commit-queue.cfg
@@ -130,12 +130,6 @@ config_groups {
       builders {
         name: "webrtc/try/linux_ubsan_vptr"
       }
-      builders {
-        name: "webrtc/try/linux_x86_dbg"
-      }
-      builders {
-        name: "webrtc/try/linux_x86_rel"
-      }
       builders {
         name: "webrtc/try/mac_asan"
       }
@@ -145,9 +139,6 @@ config_groups {
       builders {
         name: "webrtc/try/mac_compile_dbg"
       }
-      builders {
-        name: "webrtc/try/mac_rel"
-      }
       builders {
         name: "webrtc/try/presubmit"
         disable_reuse: true
@@ -288,21 +279,12 @@ config_groups {
       builders {
         name: "webrtc/try/linux_ubsan_vptr"
       }
-      builders {
-        name: "webrtc/try/linux_x86_dbg"
-      }
-      builders {
-        name: "webrtc/try/linux_x86_rel"
-      }
       builders {
         name: "webrtc/try/mac_asan"
       }
       builders {
         name: "webrtc/try/mac_compile_dbg"
       }
-      builders {
-        name: "webrtc/try/mac_rel"
-      }
       builders {
         name: "webrtc/try/presubmit"
         disable_reuse: true
diff --git a/infra/config/config.star b/infra/config/config.star
index 8be9be5493..932c887c49 100755
--- a/infra/config/config.star
+++ b/infra/config/config.star
@@ -42,6 +42,9 @@ def make_goma_properties(enable_ats = True, jobs = None):
 # useful when a failure can be safely ignored while fixing it without
 # blocking the LKGR finder on it.
 skipped_lkgr_bots = [
+    # TODO(crbug.com/1311236): return to lkgr once the issue is fixed.
+    "Linux32 Debug",
+    "Linux32 Release",
 ]
 
 # Use LUCI Scheduler BBv2 names and add Scheduler realms configs.
@@ -722,9 +725,13 @@ ios_builder_macos11("iOS API Framework Builder", "iOS|fat|size", recipe = "ios_a
 ios_try_job_macos11("ios_api_framework", recipe = "ios_api_framework")
 
 linux_builder("Linux32 Debug", "Linux|x86|dbg")
-linux_try_job("linux_x86_dbg")
+
+# TODO(crbug.com/1311236): return to CQ once the issue is fixed.
+linux_try_job("linux_x86_dbg", cq = None)
 linux_builder("Linux32 Release", "Linux|x86|rel")
-linux_try_job("linux_x86_rel")
+
+# TODO(crbug.com/1311236): return to CQ once the issue is fixed.
+linux_try_job("linux_x86_rel", cq = None)
 linux_builder("Linux64 Debug", "Linux|x64|dbg")
 linux_try_job("linux_dbg", cq = None)
 linux_try_job("linux_compile_dbg")
@@ -763,7 +770,9 @@ mac_builder("Mac64 Debug", "Mac|x64|dbg")
 mac_try_job("mac_dbg", cq = None)
 mac_try_job("mac_compile_dbg")
 mac_builder("Mac64 Release", "Mac|x64|rel")
-mac_try_job("mac_rel")
+
+# TODO(landrey): add back to CQ once ManyCam issue is fixed.
+mac_try_job("mac_rel", cq = None)
 mac_try_job("mac_compile_rel", cq = None)
 mac_builder("Mac64 Builder", ci_cat = None, perf_cat = "Mac|x64|Builder|")
 perf_builder("Perf Mac 10.11", "Mac|x64|Tester|10.11", triggered_by = ["Mac64 Builder"])
diff --git a/infra/config/cr-buildbucket.cfg b/infra/config/cr-buildbucket.cfg
index af6fa26ae8..1edc4c8e8c 100644
--- a/infra/config/cr-buildbucket.cfg
+++ b/infra/config/cr-buildbucket.cfg
@@ -2289,9 +2289,7 @@ buckets {
         '          "Linux Tsan v2",'
         '          "Linux UBSan",'
         '          "Linux UBSan vptr",'
-        '          "Linux32 Debug",'
         '          "Linux32 Debug (ARM)",'
-        '          "Linux32 Release",'
         '          "Linux32 Release (ARM)",'
         '          "Linux64 Builder",'
         '          "Linux64 Debug",'
diff --git a/infra/config/luci-notify.cfg b/infra/config/luci-notify.cfg
index 4d20b9fd3a..0cfed4af72 100644
--- a/infra/config/luci-notify.cfg
+++ b/infra/config/luci-notify.cfg
@@ -430,11 +430,6 @@ notifiers {
     name: "Linux32 Debug"
     repository: "https://webrtc.googlesource.com/src"
   }
-  tree_closers {
-    tree_status_host: "webrtc-status.appspot.com"
-    failed_step_regexp: "bot_update|compile|gclient runhooks|runhooks|update|extract build|cleanup_temp|taskkill|compile|gn"
-    failed_step_regexp_exclude: ".*\\(experimental\\).*"
-  }
 }
 notifiers {
   notifications {
@@ -484,11 +479,6 @@ notifiers {
     name: "Linux32 Release"
     repository: "https://webrtc.googlesource.com/src"
   }
-  tree_closers {
-    tree_status_host: "webrtc-status.appspot.com"
-    failed_step_regexp: "bot_update|compile|gclient runhooks|runhooks|update|extract build|cleanup_temp|taskkill|compile|gn"
-    failed_step_regexp_exclude: ".*\\(experimental\\).*"
-  }
 }
 notifiers {
   notifications {
diff --git a/infra/config/project.cfg b/infra/config/project.cfg
index 3f14e8cd4c..692d4571a8 100644
--- a/infra/config/project.cfg
+++ b/infra/config/project.cfg
@@ -7,7 +7,7 @@
 name: "webrtc"
 access: "group:all"
 lucicfg {
-  version: "1.30.10"
+  version: "1.30.11"
   package_dir: "."
   config_dir: "."
   entry_point: "config.star"