diff --git a/infra/specs/internal.tryserver.webrtc.json b/infra/specs/internal.tryserver.webrtc.json
deleted file mode 100644
index 48403cf75d..0000000000
--- a/infra/specs/internal.tryserver.webrtc.json
+++ /dev/null
@@ -1,986 +0,0 @@
-{
-  "AAAAA1 AUTOGENERATED FILE DO NOT EDIT": {},
-  "AAAAA2 See generate_buildbot_json.py to make changes": {},
-  "ios_arm64_dbg": {
-    "isolated_scripts": [
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "common_audio_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "common_audio_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://common_audio:common_audio_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "common_video_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "common_video_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://common_video:common_video_unittests/"
-      },
-      {
-        "args": [
-          "--readline-timeout=1200",
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "modules_tests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "modules_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "hard_timeout": 7200,
-          "io_timeout": 7200,
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://modules:modules_tests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "modules_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "modules_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
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-        "swarming": {
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-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://modules:modules_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "rtc_pc_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "rtc_pc_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
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-        "swarming": {
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-          "cipd_packages": [
-            {
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-              "location": ".",
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-            }
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-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
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-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://pc:rtc_pc_unittests/"
-      },
-      {
-        "args": [
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-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "rtc_stats_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "rtc_stats_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
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-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
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-            }
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-              "pool": "chrome.tests"
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-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://stats:rtc_stats_unittests/"
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-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "system_wrappers_unittests",
-        "merge": {
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-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "system_wrappers_unittests",
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-              "pool": "chrome.tests"
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-              "path": "Xcode.app"
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-        },
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-          "--xcode-build-version",
-          "13c100",
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-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "test_support_unittests",
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-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
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-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://test:test_support_unittests/"
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-          "${ISOLATED_OUTDIR}"
-        ],
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-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
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-        "name": "tools_unittests",
-        "resultdb": {
-          "enable": true,
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-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
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-              "pool": "chrome.tests"
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-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://rtc_tools:tools_unittests/"
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-          "--xcode-build-version",
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-          "${ISOLATED_OUTDIR}"
-        ],
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-        "merge": {
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-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "video_capture_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
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-              "pool": "chrome.tests"
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-              "path": "Xcode.app"
-            }
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://modules/video_capture:video_capture_tests/"
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-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "video_engine_tests",
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-        "name": "video_engine_tests",
-        "resultdb": {
-          "enable": true,
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-          "cipd_packages": [
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-              "location": ".",
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-              "path": "Xcode.app"
-            }
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://:video_engine_tests/"
-      }
-    ]
-  },
-  "ios_arm64_rel": {
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-        "args": [
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-          "--undefok=enable-run-ios-unittests-with-xctest",
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-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "common_audio_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "common_audio_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
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-          "cipd_packages": [
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-              "location": ".",
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-              "pool": "chrome.tests"
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-          ],
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-              "path": "Xcode.app"
-            }
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-        },
-        "test_id_prefix": "ninja://common_audio:common_audio_unittests/"
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-        ],
-        "isolate_name": "common_video_unittests",
-        "merge": {
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-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
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-              "path": "Xcode.app"
-            }
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://common_video:common_video_unittests/"
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-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
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-          "--xcode-build-version",
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-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "rtc_pc_unittests",
-        "merge": {
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-        "resultdb": {
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-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://pc:rtc_pc_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "rtc_stats_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "rtc_stats_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://stats:rtc_stats_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "system_wrappers_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "system_wrappers_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://system_wrappers:system_wrappers_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "test_support_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "test_support_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://test:test_support_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "tools_unittests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "tools_unittests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://rtc_tools:tools_unittests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "video_capture_tests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "video_capture_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://modules/video_capture:video_capture_tests/"
-      },
-      {
-        "args": [
-          "--xctest",
-          "--undefok=enable-run-ios-unittests-with-xctest",
-          "--xcode-build-version",
-          "13c100",
-          "--out-dir",
-          "${ISOLATED_OUTDIR}"
-        ],
-        "isolate_name": "video_engine_tests",
-        "merge": {
-          "args": [],
-          "script": "//testing/merge_scripts/standard_isolated_script_merge.py"
-        },
-        "name": "video_engine_tests",
-        "resultdb": {
-          "enable": true,
-          "has_native_resultdb_integration": true
-        },
-        "swarming": {
-          "can_use_on_swarming_builders": true,
-          "cipd_packages": [
-            {
-              "cipd_package": "infra/tools/mac_toolchain/${platform}",
-              "location": ".",
-              "revision": "git_revision:723fc1a6c8cdf2631a57851f5610e598db0c1de1"
-            }
-          ],
-          "dimension_sets": [
-            {
-              "os": "iOS-15.3",
-              "pool": "chrome.tests"
-            }
-          ],
-          "named_caches": [
-            {
-              "name": "xcode_ios_13c100",
-              "path": "Xcode.app"
-            }
-          ],
-          "service_account": "chrome-tester@chops-service-accounts.iam.gserviceaccount.com"
-        },
-        "test_id_prefix": "ninja://:video_engine_tests/"
-      }
-    ]
-  }
-}
diff --git a/infra/specs/waterfalls.pyl b/infra/specs/waterfalls.pyl
index 401d8dff84..7aceb13e38 100644
--- a/infra/specs/waterfalls.pyl
+++ b/infra/specs/waterfalls.pyl
@@ -338,32 +338,6 @@
       },
     },
   },
-  {
-    'name': 'internal.tryserver.webrtc',
-    'mixins': [],
-    'machines': {
-      'ios_arm64_dbg': {
-        'mixins': [
-          'ios-device-15.3', 'webrtc-xctest', 'chrome-tester-service-account',
-          'xcode_13_main', 'mac_toolchain', 'has_native_resultdb_integration',
-          'out_dir_arg'
-        ],
-        'test_suites': {
-          'isolated_scripts': 'ios_device_tests',
-        },
-      },
-      'ios_arm64_rel': {
-        'mixins': [
-          'ios-device-15.3', 'webrtc-xctest', 'chrome-tester-service-account',
-          'xcode_13_main', 'mac_toolchain', 'has_native_resultdb_integration',
-          'out_dir_arg'
-        ],
-        'test_suites': {
-          'isolated_scripts': 'ios_device_tests',
-        },
-      },
-    },
-  },
   {
     'name': 'tryserver.webrtc',
     'mixins': [],
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 174764d457..3dd92e2597 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -133,11 +133,6 @@
       'iOS64 Perf': 'ios_internal_pure_release_bot_arm64',
       'iOS64 Release': 'ios_internal_release_bot_arm64',
     },
-    'internal.tryserver.webrtc': {
-      'ios_arm64_dbg': 'ios_internal_debug_bot_arm64',
-      'ios_arm64_perf': 'ios_internal_pure_release_bot_arm64',
-      'ios_arm64_rel': 'ios_internal_release_bot_arm64',
-    },
     'tryserver.webrtc': {
       # Android
       'android_arm64_dbg': 'android_release_bot_arm64',