Remove arm32 bots and redundant arm64 bots

Also remove old unused config from mb_config.pyl.

Change-Id: I0150005c60d077e92c4f987fb4eede2c082a102d
Bug: webrtc:427152624
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/470220
Commit-Queue: Jeremy Leconte <jleconte@google.com>
Reviewed-by: Christoffer Dewerin <jansson@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#47634}
diff --git a/infra/specs/client.webrtc.json b/infra/specs/client.webrtc.json
index ed71da2..76ff4d9 100644
--- a/infra/specs/client.webrtc.json
+++ b/infra/specs/client.webrtc.json
@@ -1,8 +1,6 @@
 {
   "AAAAA1 AUTOGENERATED FILE DO NOT EDIT": {},
   "AAAAA2 See generate_buildbot_json.py to make changes": {},
-  "Android32": {},
-  "Android32 (dbg)": {},
   "Android32 Builder arm": {},
   "Android32 Builder x86": {},
   "Android32 Builder x86 (dbg)": {},
diff --git a/infra/specs/tryserver.webrtc.json b/infra/specs/tryserver.webrtc.json
index 7d24ab5..a955091 100644
--- a/infra/specs/tryserver.webrtc.json
+++ b/infra/specs/tryserver.webrtc.json
@@ -1,1418 +1,6 @@
 {
   "AAAAA1 AUTOGENERATED FILE DO NOT EDIT": {},
   "AAAAA2 See generate_buildbot_json.py to make changes": {},
-  "android_arm64_dbg": {
-    "gtest_tests": [
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//examples:AppRTCMobile_test_apk",
-        "name": "AppRTCMobile_test_apk",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "AppRTCMobile_test_apk",
-        "test_id_prefix": "ninja://examples:AppRTCMobile_test_apk/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//sdk/android:android_instrumentation_test_apk",
-        "name": "android_instrumentation_test_apk",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "android_instrumentation_test_apk",
-        "test_id_prefix": "ninja://sdk/android:android_instrumentation_test_apk/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//modules/audio_coding:audio_decoder_unittests",
-        "name": "audio_decoder_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "audio_decoder_unittests",
-        "test_id_prefix": "ninja://modules/audio_coding:audio_decoder_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:audio_engine_tests",
-        "name": "audio_engine_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "audio_engine_tests",
-        "test_id_prefix": "ninja://:audio_engine_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//call:call_tests",
-        "name": "call_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "call_tests",
-        "test_id_prefix": "ninja://call:call_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//common_audio:common_audio_unittests",
-        "name": "common_audio_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "common_audio_unittests",
-        "test_id_prefix": "ninja://common_audio:common_audio_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//common_video:common_video_unittests",
-        "name": "common_video_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "common_video_unittests",
-        "test_id_prefix": "ninja://common_video:common_video_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//net/dcsctp:dcsctp_unittests",
-        "name": "dcsctp_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "dcsctp_unittests",
-        "test_id_prefix": "ninja://net/dcsctp:dcsctp_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//modules:modules_tests",
-        "name": "modules_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 2
-        },
-        "test": "modules_tests",
-        "test_id_prefix": "ninja://modules:modules_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//modules:modules_unittests",
-        "name": "modules_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 6
-        },
-        "test": "modules_unittests",
-        "test_id_prefix": "ninja://modules:modules_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//pc:peerconnection_unittests",
-        "name": "peerconnection_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 4
-        },
-        "test": "peerconnection_unittests",
-        "test_id_prefix": "ninja://pc:peerconnection_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//call/adaptation:resource_adaptation_tests",
-        "name": "resource_adaptation_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "resource_adaptation_tests",
-        "test_id_prefix": "ninja://call/adaptation:resource_adaptation_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//media:rtc_media_unittests",
-        "name": "rtc_media_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "rtc_media_unittests",
-        "test_id_prefix": "ninja://media:rtc_media_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:rtc_p2p_unittests",
-        "name": "rtc_p2p_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "rtc_p2p_unittests",
-        "test_id_prefix": "ninja://:rtc_p2p_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//pc:rtc_pc_unittests",
-        "name": "rtc_pc_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "rtc_pc_unittests",
-        "test_id_prefix": "ninja://pc:rtc_pc_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//stats:rtc_stats_unittests",
-        "name": "rtc_stats_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "rtc_stats_unittests",
-        "test_id_prefix": "ninja://stats:rtc_stats_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:rtc_unittests",
-        "name": "rtc_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 6
-        },
-        "test": "rtc_unittests",
-        "test_id_prefix": "ninja://:rtc_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//pc:slow_peer_connection_unittests",
-        "name": "slow_peer_connection_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "slow_peer_connection_unittests",
-        "test_id_prefix": "ninja://pc:slow_peer_connection_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//pc:svc_tests",
-        "name": "svc_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 8
-        },
-        "test": "svc_tests",
-        "test_id_prefix": "ninja://pc:svc_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//system_wrappers:system_wrappers_unittests",
-        "name": "system_wrappers_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "system_wrappers_unittests",
-        "test_id_prefix": "ninja://system_wrappers:system_wrappers_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//test:test_support_unittests",
-        "name": "test_support_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "test_support_unittests",
-        "test_id_prefix": "ninja://test:test_support_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//rtc_tools:tools_unittests",
-        "name": "tools_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "tools_unittests",
-        "test_id_prefix": "ninja://rtc_tools:tools_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//video/adaptation:video_adaptation_tests",
-        "name": "video_adaptation_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "video_adaptation_tests",
-        "test_id_prefix": "ninja://video/adaptation:video_adaptation_tests/"
-      },
-      {
-        "args": [
-          "--webrtc_quick_perf_test",
-          "--nologs"
-        ],
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//modules/video_coding:video_codec_perf_tests",
-        "name": "video_codec_perf_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 2
-        },
-        "test": "video_codec_perf_tests",
-        "test_id_prefix": "ninja://modules/video_coding:video_codec_perf_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//video:video_tests",
-        "name": "video_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 4
-        },
-        "test": "video_tests",
-        "test_id_prefix": "ninja://video:video_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//video/timing:video_timing_tests",
-        "name": "video_timing_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "video_timing_tests",
-        "test_id_prefix": "ninja://video/timing:video_timing_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:voip_unittests",
-        "name": "voip_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "voip_unittests",
-        "test_id_prefix": "ninja://:voip_unittests/"
-      },
-      {
-        "merge": {
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-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com",
-          "shards": 4
-        },
-        "test": "video_tests",
-        "test_id_prefix": "ninja://video:video_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//video/timing:video_timing_tests",
-        "name": "video_timing_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "video_timing_tests",
-        "test_id_prefix": "ninja://video/timing:video_timing_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:voip_unittests",
-        "name": "voip_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "voip_unittests",
-        "test_id_prefix": "ninja://:voip_unittests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:webrtc_nonparallel_tests",
-        "name": "webrtc_nonparallel_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "webrtc_nonparallel_tests",
-        "test_id_prefix": "ninja://:webrtc_nonparallel_tests/"
-      },
-      {
-        "args": [
-          "--webrtc_quick_perf_test",
-          "--nologs"
-        ],
-        "merge": {
-          "script": "//testing/merge_scripts/standard_gtest_merge.py"
-        },
-        "module_name": "//:webrtc_perf_tests",
-        "name": "webrtc_perf_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "webrtc_perf_tests",
-        "test_id_prefix": "ninja://:webrtc_perf_tests/"
-      }
-    ],
-    "isolated_scripts": [
-      {
-        "args": [
-          "--shards=1"
-        ],
-        "merge": {
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "module_name": "//examples:android_examples_junit_tests",
-        "name": "android_examples_junit_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "android_examples_junit_tests",
-        "test_id_prefix": "ninja://examples:android_examples_junit_tests/"
-      },
-      {
-        "merge": {
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "module_name": "//sdk/android:android_sdk_junit_tests",
-        "name": "android_sdk_junit_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "dimensions": {
-            "android_devices": "1",
-            "device_os": "AP2A.240705.004",
-            "device_type": "panther",
-            "os": "Android"
-          },
-          "service_account": "chromium-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test": "android_sdk_junit_tests",
-        "test_id_prefix": "ninja://sdk/android:android_sdk_junit_tests/"
-      }
-    ]
-  },
   "android_arm_dbg": {
     "gtest_tests": [
       {
@@ -2852,8 +1440,6 @@
       }
     ]
   },
-  "android_compile_arm64_dbg": {},
-  "android_compile_arm64_rel": {},
   "android_compile_arm_dbg": {},
   "android_compile_arm_rel": {},
   "android_compile_x64_dbg": {},
diff --git a/infra/specs/waterfalls.pyl b/infra/specs/waterfalls.pyl
index 5ca99f8..103120f 100644
--- a/infra/specs/waterfalls.pyl
+++ b/infra/specs/waterfalls.pyl
@@ -11,8 +11,6 @@
     'name': 'client.webrtc',
     'mixins': [],
     'machines': {
-      'Android32': {},
-      'Android32 (dbg)': {},
       'Android32 Builder arm': {},
       'Android32 Builder x86': {},
       'Android32 Builder x86 (dbg)': {},
@@ -284,26 +282,6 @@
     'name': 'tryserver.webrtc',
     'mixins': [],
     'machines': {
-      'android_arm64_dbg': {
-        'mixins': [
-          'panther_on_14', 'android-devices', 'has_native_resultdb_integration',
-          'chromium-tester-service-account'
-        ],
-        'test_suites': {
-          'gtest_tests': 'android_tests_tryserver',
-          'isolated_scripts': 'android_junit_tests',
-        },
-      },
-      'android_arm64_rel': {
-        'mixins': [
-          'panther_on_14', 'android-devices', 'has_native_resultdb_integration',
-          'chromium-tester-service-account'
-        ],
-        'test_suites': {
-          'gtest_tests': 'android_tests_tryserver',
-          'isolated_scripts': 'android_junit_tests',
-        },
-      },
       'android_arm_dbg': {
         'mixins': [
           'panther_on_14', 'android-devices', 'has_native_resultdb_integration',
@@ -333,8 +311,6 @@
           'isolated_scripts': 'android_junit_tests',
         },
       },
-      'android_compile_arm64_dbg': {},
-      'android_compile_arm64_rel': {},
       'android_compile_arm_dbg': {},
       'android_compile_arm_rel': {},
       'android_compile_x64_dbg': {},
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 92c572e..445d98b 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -21,18 +21,8 @@
     # This is required because WebRTC mb.py overwrites the default configs
     # and Chromium's mb.py checks the default config contains 'chromium'.
     'chromium': {},
-    'chromium.infra.codesearch': {
-      'codesearch-gen-webrtc-android': {
-        'android': 'android_debug_static_bot_arm',
-      },
-      'codesearch-gen-webrtc-linux': {
-        'linux': 'codesearch_gen_linux_bot',
-      }
-    },
     'client.webrtc': {
       # Android
-      'Android32': 'android_release_bot_arm',
-      'Android32 (dbg)': 'android_debug_static_bot_arm',
       'Android32 Builder arm': 'android_pure_release_bot_arm',
       'Android32 Builder x86': 'android_release_bot_x86',
       'Android32 Builder x86 (dbg)': 'android_debug_static_bot_x86',
@@ -108,19 +98,6 @@
       'iOS64 Debug': 'ios_debug_bot_arm64',
       'iOS64 Release': 'ios_release_bot_arm64',
     },
-    'client.webrtc.fyi': {
-      # Android
-      'Android ASan (swarming)': 'android_asan_shared_release_bot_arm',
-      'Android Perf (swarming)': 'android_pure_release_bot_arm',
-
-      # Mac
-      'Mac (swarming)': 'release_bot_x64',
-
-      # Windows
-      'Win (swarming)': 'release_bot_x86',
-      'Win64 Debug (Win10)': 'debug_bot_x64',
-      'Win64 Debug (Win8)': 'debug_bot_x64',
-    },
     'client.webrtc.perf': {
       # These are here because testers need to gn gen + ninja for the
       # webrtc_dashboard_upload target (otherwise a tester would not need to
@@ -136,8 +113,6 @@
     },
     'tryserver.webrtc': {
       # Android
-      'android_arm64_dbg': 'android_release_bot_arm64',
-      'android_arm64_rel': 'android_release_bot_arm64',
       'android_arm_dbg': 'android_debug_static_bot_arm64',
       'android_arm_more_configs': {
         'dummy_audio_file_devices_no_protobuf':
@@ -148,8 +123,6 @@
         'cxx23': 'use_cxx23_android_arm64',
       },
       'android_arm_rel': 'android_release_bot_arm64',
-      'android_compile_arm64_dbg': 'android_debug_static_bot_arm64',
-      'android_compile_arm64_rel': 'android_pure_release_bot_arm64',
       'android_compile_arm_dbg': 'android_debug_static_bot_arm64',
       'android_compile_arm_rel': 'android_pure_release_bot_arm64',
       'android_compile_x64_dbg': 'android_debug_static_bot_x64',
@@ -238,19 +211,6 @@
   # A given config *may* be platform-specific but is not necessarily so (i.e.,
   # we might have mac, win, and linux bots all using the 'release_bot' config).
   'configs': {
-    'android_asan_shared_release_bot_arm': [
-      'android',
-      'asan',
-      'clang',
-      'pure_release_bot',
-      'arm',
-    ],
-    'android_debug_static_bot_arm': [
-      'android',
-      'debug_static_bot',
-      'arm',
-      'h265',
-    ],
     'android_debug_static_bot_arm64': [
       'android',
       'debug_static_bot',
@@ -279,12 +239,6 @@
       'pure_release_bot',
       'arm64',
     ],
-    'android_release_bot_arm': [
-      'android',
-      'release_bot',
-      'arm',
-      'h265',
-    ],
     'android_release_bot_arm64': [
       'android',
       'release_bot',
@@ -316,8 +270,6 @@
       'openh264', 'release_bot', 'x64', 'code_coverage',
       'partial_code_coverage_instrumentation', 'h265'
     ],
-    'codesearch_gen_linux_bot':
-    ['openh264', 'debug_bot', 'minimal_symbols', 'h265'],
     'debug_bot_arm': ['openh264', 'debug_bot', 'arm', 'h265'],
     'debug_bot_arm64': ['openh264', 'debug_bot', 'arm64', 'h265'],
     'debug_bot_x64': ['openh264', 'debug_bot', 'x64', 'h265'],