angular · JeanMeche · Aug 31, 2025
diff --git a/packages/zone.js/MODULE.md b/packages/zone.js/MODULE.md
@@ -40,7 +40,6 @@ Below is the full list of currently supported modules.
 | IntersectionObserver  | Intersection will be patched as Zone aware operation                                                                                  | \_\_Zone_disable_IntersectionObserver = true  |
 | FileReader            | FileReader will be patched as Zone aware operation                                                                                    | \_\_Zone_disable_FileReader = true            |
 | canvas                | HTMLCanvasElement.toBlob will be patched as Zone aware operation                                                                      | \_\_Zone_disable_canvas = true                |
-| IE BrowserTools check | in IE, browser tool will not use zone patched eventListener                                                                           | \_\_Zone_disable_IE_check = true              |
 | CrossContext check    | in webdriver, enable check event listener is cross context                                                                            | \_\_Zone_enable_cross_context_check = true    |
 | `beforeunload`        | enable the default `beforeunload` handling behavior, where event handlers return strings to prompt the user                           | **zone_symbol**enable_beforeunload = true     |
 | XHR                   | XMLHttpRequest will be patched as Zone aware MacroTask                                                                                | \_\_Zone_disable_XHR = true                   |

diff --git a/packages/zone.js/bundles.bzl b/packages/zone.js/bundles.bzl
@@ -55,9 +55,6 @@ BUNDLES_ENTRY_POINTS = {
     "zone-error": {
         "entrypoint": _DIR + "common/rollup-error-rewrite",
     },
-    "zone-legacy": {
-        "entrypoint": _DIR + "browser/rollup-browser-legacy",
-    },
     "zone-bluebird": {
         "entrypoint": _DIR + "extra/rollup-bluebird",
     },

diff --git a/packages/zone.js/karma-dist-sauce-jasmine3.conf.js b/packages/zone.js/karma-dist-sauce-jasmine3.conf.js
@@ -18,7 +18,6 @@ module.exports = function (config) {
     'SL_IOS8',
     'SL_IOS9',
     'SL_IOS10',
-    'SL_MSEDGE15',
     'SL_ANDROID4.4',
     'SL_ANDROID5.1',
   ]);

diff --git a/packages/zone.js/lib/BUILD.bazel b/packages/zone.js/lib/BUILD.bazel
@@ -9,7 +9,6 @@ exports_files(glob([
 copy_to_bin(
     name = "files",
     srcs = [
-        "browser/rollup-browser-legacy.ts",
         "browser/rollup-canvas.ts",
         "browser/rollup-message-port.ts",
         "browser/rollup-shadydom.ts",

diff --git a/packages/zone.js/lib/browser/api-util.ts b/packages/zone.js/lib/browser/api-util.ts
@@ -19,7 +19,6 @@ import {
   bindArguments,
   FALSE_STR,
   isBrowser,
-  isIEOrEdge,
   isMix,
   isNode,
   ObjectCreate,
@@ -64,7 +63,6 @@ export function patchUtil(Zone: ZoneType): void {
     }
     api.patchEventPrototype = patchEventPrototype;
     api.patchEventTarget = patchEventTarget;
-    api.isIEOrEdge = isIEOrEdge;
     api.ObjectDefineProperty = ObjectDefineProperty;
     api.ObjectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;
     api.ObjectCreate = ObjectCreate;

diff --git a/packages/zone.js/lib/browser/browser-legacy.ts b/packages/zone.js/lib/browser/browser-legacy.ts
diff --git a/packages/zone.js/lib/browser/browser.ts b/packages/zone.js/lib/browser/browser.ts
@@ -29,13 +29,6 @@ import {eventTargetPatch, patchEvent} from './event-target';
 import {propertyDescriptorPatch} from './property-descriptor';
 
 export function patchBrowser(Zone: ZoneType): void {
-  Zone.__load_patch('legacy', (global: any) => {
-    const legacyPatch = global[Zone.__symbol__('legacyPatch')];
-    if (legacyPatch) {
-      legacyPatch();
-    }
-  });
-
   Zone.__load_patch('timers', (global: any) => {
     const set = 'set';
     const clear = 'clear';

diff --git a/packages/zone.js/lib/browser/event-target-legacy.ts b/packages/zone.js/lib/browser/event-target-legacy.ts