diff --git a/tools_webrtc/ios/client.webrtc/iOS32_Debug.json b/tools_webrtc/ios/client.webrtc/iOS32_Debug.json
deleted file mode 100644
index b14809f..0000000
--- a/tools_webrtc/ios/client.webrtc/iOS32_Debug.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "comments": [
-    "Builder for 32-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "ios_enable_code_signing=false",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"arm\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/client.webrtc/iOS32_Release.json b/tools_webrtc/ios/client.webrtc/iOS32_Release.json
deleted file mode 100644
index 9726325..0000000
--- a/tools_webrtc/ios/client.webrtc/iOS32_Release.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "comments": [
-    "Builder for 32-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "dcheck_always_on=true",
-    "ios_enable_code_signing=false",
-    "is_component_build=false",
-    "is_debug=false",
-    "target_cpu=\"arm\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Release",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git "a/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_\050iOS_9.0\051.json" "b/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_\050iOS_9.0\051.json"
deleted file mode 100644
index 1ba462b..0000000
--- "a/tools_webrtc/ios/client.webrtc/iOS32_Sim_Debug_\050iOS_9.0\051.json"
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 32-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"x86\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator9.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 5",
-      "os": "9.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Debug.json b/tools_webrtc/ios/client.webrtc/iOS64_Debug.json
deleted file mode 100644
index f1fb7fa..0000000
--- a/tools_webrtc/ios/client.webrtc/iOS64_Debug.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "comments": [
-    "Builder for 64-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "ios_enable_code_signing=false",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/client.webrtc/iOS64_Release.json b/tools_webrtc/ios/client.webrtc/iOS64_Release.json
deleted file mode 100644
index c2555c6..0000000
--- a/tools_webrtc/ios/client.webrtc/iOS64_Release.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-  "comments": [
-    "Builder for 64-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "dcheck_always_on=true",
-    "ios_enable_code_signing=false",
-    "is_component_build=false",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Release",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json" "b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json"
deleted file mode 100644
index f9ed62c..0000000
--- "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_10.0\051.json"
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator10.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "10.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_11.0\051.json" "b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_11.0\051.json"
deleted file mode 100644
index 8eee497..0000000
--- "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_11.0\051.json"
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator11.0",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 7",
-      "os": "11.0",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_9.0\051.json" "b/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_9.0\051.json"
deleted file mode 100644
index 2217673..0000000
--- "a/tools_webrtc/ios/client.webrtc/iOS64_Sim_Debug_\050iOS_9.0\051.json"
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_component_build=false",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator9.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "9.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
deleted file mode 100644
index cbb1a5e..0000000
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Debug.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Debug",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "real_device_tests.json",
-      "device type": "iPhone 6s",
-      "os": "12.0",
-      "pool": "chrome.tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
deleted file mode 100644
index 558dd1d..0000000
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Perf.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Release",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "perf_tests.json",
-      "device type": "iPhone 7",
-      "os": "12.1.3",
-      "pool": "WebRTC",
-      "bot id": "build15-a7",
-      "max runtime seconds": 7200
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
deleted file mode 100644
index e7f260d..0000000
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "dcheck_always_on=true",
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Release",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "real_device_tests.json",
-      "device type": "iPhone 6s",
-      "os": "11.4.1",
-      "pool": "chrome.tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
deleted file mode 100644
index cbb1a5e..0000000
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_dbg.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Debug",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "real_device_tests.json",
-      "device type": "iPhone 6s",
-      "os": "12.0",
-      "pool": "chrome.tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json
deleted file mode 100644
index 34cb336..0000000
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_perf.json
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Release",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "perf_tests.json",
-      "device type": "iPhone 7",
-      "os": "12.1.3",
-      "pool": "WebRTC",
-      "bot id": "build16-a7",
-      "max runtime seconds": 7200
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
deleted file mode 100644
index e7f260d..0000000
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS devices."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "dcheck_always_on=true",
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "env": {
-    "MAC_TOOLCHAIN_REVISION": "8E2002-1"
-  },
-  "additional_compile_targets": [],
-  "configuration": "Release",
-  "bucket": "chromium-webrtc",
-  "tests": [
-    {
-      "include": "real_device_tests.json",
-      "device type": "iPhone 6s",
-      "os": "11.4.1",
-      "pool": "chrome.tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tests/common_tests.json b/tools_webrtc/ios/tests/common_tests.json
deleted file mode 100644
index 7459503..0000000
--- a/tools_webrtc/ios/tests/common_tests.json
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-  "tests": [
-    {
-      "app": "apprtcmobile_tests",
-      "xctest": true
-    },
-    {
-       "app": "sdk_unittests",
-       "xctest": true
-    },
-    {
-       "app": "sdk_framework_unittests",
-       "xctest": true
-    },
-    {
-      "app": "audio_decoder_unittests"
-    },
-    {
-      "app": "common_audio_unittests"
-    },
-    {
-      "app": "common_video_unittests"
-    },
-    {
-      "app": "modules_tests"
-    },
-    {
-      "app": "modules_unittests"
-    },
-    {
-      "app": "rtc_media_unittests"
-    },
-    {
-      "app": "rtc_pc_unittests"
-    },
-    {
-      "app": "rtc_stats_unittests"
-    },
-    {
-      "app": "rtc_unittests"
-    },
-    {
-      "app": "system_wrappers_unittests"
-    },
-    {
-      "app": "test_support_unittests"
-    },
-    {
-      "app": "tools_unittests"
-    },
-    {
-      "app": "video_capture_tests"
-    },
-    {
-      "app": "video_engine_tests"
-    },
-    {
-      "app": "webrtc_nonparallel_tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tests/perf_tests.json b/tools_webrtc/ios/tests/perf_tests.json
deleted file mode 100644
index 05a34be..0000000
--- a/tools_webrtc/ios/tests/perf_tests.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "tests": [
-    {
-      "app": "webrtc_perf_tests",
-      "test args": [
-        "--save_chartjson_result"
-      ]
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tests/real_device_tests.json b/tools_webrtc/ios/tests/real_device_tests.json
deleted file mode 100644
index dcee516..0000000
--- a/tools_webrtc/ios/tests/real_device_tests.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "tests": [
-    {
-      "app": "common_audio_unittests"
-    },
-    {
-      "app": "common_video_unittests"
-    },
-    {
-      "app": "modules_tests"
-    },
-    {
-      "app": "modules_unittests"
-    },
-    {
-      "app": "rtc_pc_unittests"
-    },
-    {
-      "app": "rtc_stats_unittests"
-    },
-    {
-      "app": "system_wrappers_unittests"
-    },
-    {
-      "app": "test_support_unittests"
-    },
-    {
-      "app": "tools_unittests"
-    },
-    {
-      "app": "video_capture_tests"
-    },
-    {
-      "app": "video_engine_tests"
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_dbg.json
deleted file mode 100644
index e5422c7..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_dbg.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "comments": [
-    "Builder for 64-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "ios_enable_code_signing=false",
-    "is_debug=true",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_rel.json b/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_rel.json
deleted file mode 100644
index 60fc63f..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm64_rel.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "comments": [
-    "Builder for 64-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "dcheck_always_on=true",
-    "ios_enable_code_signing=false",
-    "is_debug=false",
-    "target_cpu=\"arm64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Release",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_dbg.json b/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_dbg.json
deleted file mode 100644
index 1714707..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_dbg.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "comments": [
-    "Builder for 32-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "ios_enable_code_signing=false",
-    "is_debug=true",
-    "target_cpu=\"arm\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_rel.json b/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_rel.json
deleted file mode 100644
index b66da56..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_compile_arm_rel.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "comments": [
-    "Builder for 32-bit devices.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "dcheck_always_on=true",
-    "ios_enable_code_signing=false",
-    "is_debug=false",
-    "target_cpu=\"arm\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Release",
-  "sdk": "iphoneos10.3",
-  "tests": [
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios10.json b/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios10.json
deleted file mode 100644
index b9c6cdc..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios10.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator10.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "10.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios11.json b/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios11.json
deleted file mode 100644
index 45058fb..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios11.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator11.0",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 7",
-      "os": "11.4",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios9.json b/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios9.json
deleted file mode 100644
index 3cb04c7..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x64_dbg_ios9.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 64-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"x64\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator9.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 6s",
-      "os": "9.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}
diff --git a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x86_dbg_ios9.json b/tools_webrtc/ios/tryserver.webrtc/ios_sim_x86_dbg_ios9.json
deleted file mode 100644
index cf48ccb..0000000
--- a/tools_webrtc/ios/tryserver.webrtc/ios_sim_x86_dbg_ios9.json
+++ /dev/null
@@ -1,27 +0,0 @@
-{
-  "comments": [
-    "Tests for 32-bit iOS simulators.",
-    "NOTE: Update cache entry in cr-buildbucket.cfg when changing xcode version."
-  ],
-  "xcode build version": "10l232m",
-  "gn_args": [
-    "goma_dir=\"$(goma_dir)\"",
-    "is_debug=true",
-    "target_cpu=\"x86\"",
-    "target_os=\"ios\"",
-    "use_goma=true"
-  ],
-  "additional_compile_targets": [ "all" ],
-  "configuration": "Debug",
-  "sdk": "iphonesimulator9.3",
-  "tests": [
-    {
-      "include": "common_tests.json",
-      "device type": "iPhone 5",
-      "os": "9.3",
-      "host os": "Mac-10.13",
-      "pool": "Chrome",
-      "priority": 30
-    }
-  ]
-}