diff --git a/packages/playwright-core/src/protocol/validator.ts b/packages/playwright-core/src/protocol/validator.ts
index fe523bf63d..22a9cceeec 100644
--- a/packages/playwright-core/src/protocol/validator.ts
+++ b/packages/playwright-core/src/protocol/validator.ts
@@ -382,13 +382,6 @@ scheme.DebugControllerSourceChangedEvent = tObject({
 scheme.DebugControllerPausedEvent = tObject({
   paused: tBoolean,
 });
-scheme.DebugControllerBrowsersChangedEvent = tObject({
-  browsers: tArray(tObject({
-    contexts: tArray(tObject({
-      pages: tArray(tString),
-    })),
-  })),
-});
 scheme.DebugControllerInitializeParams = tObject({
   codegenId: tString,
   sdkLanguage: tEnum(['javascript', 'python', 'java', 'csharp']),
diff --git a/packages/playwright-core/src/server/debugController.ts b/packages/playwright-core/src/server/debugController.ts
index f084ed1ece..ea2dc9a805 100644
--- a/packages/playwright-core/src/server/debugController.ts
+++ b/packages/playwright-core/src/server/debugController.ts
@@ -30,7 +30,6 @@ const internalMetadata = serverSideCallMetadata();
 
 export class DebugController extends SdkObject {
   static Events = {
-    BrowsersChanged: 'browsersChanged',
     StateChanged: 'stateChanged',
     InspectRequested: 'inspectRequested',
     SourceChanged: 'sourceChanged',
@@ -194,8 +193,6 @@ export class DebugController extends SdkObject {
         pageCount += context.pages().length;
       }
     }
-    // TODO: browsers is deprecated, remove it.
-    this.emit(DebugController.Events.BrowsersChanged, browsers);
     this.emit(DebugController.Events.StateChanged, { pageCount });
   }
 
diff --git a/packages/protocol/src/channels.ts b/packages/protocol/src/channels.ts
index 2ff7b25844..d4eff9134f 100644
--- a/packages/protocol/src/channels.ts
+++ b/packages/protocol/src/channels.ts
@@ -640,7 +640,6 @@ export interface DebugControllerEventTarget {
   on(event: 'stateChanged', callback: (params: DebugControllerStateChangedEvent) => void): this;
   on(event: 'sourceChanged', callback: (params: DebugControllerSourceChangedEvent) => void): this;
   on(event: 'paused', callback: (params: DebugControllerPausedEvent) => void): this;
-  on(event: 'browsersChanged', callback: (params: DebugControllerBrowsersChangedEvent) => void): this;
 }
 export interface DebugControllerChannel extends DebugControllerEventTarget, Channel {
   _type_DebugController: boolean;
@@ -674,13 +673,6 @@ export type DebugControllerSourceChangedEvent = {
 export type DebugControllerPausedEvent = {
   paused: boolean,
 };
-export type DebugControllerBrowsersChangedEvent = {
-  browsers: {
-    contexts: {
-      pages: string[],
-    }[],
-  }[],
-};
 export type DebugControllerInitializeParams = {
   codegenId: string,
   sdkLanguage: 'javascript' | 'python' | 'java' | 'csharp',
@@ -740,7 +732,6 @@ export interface DebugControllerEvents {
   'stateChanged': DebugControllerStateChangedEvent;
   'sourceChanged': DebugControllerSourceChangedEvent;
   'paused': DebugControllerPausedEvent;
-  'browsersChanged': DebugControllerBrowsersChangedEvent;
 }
 
 // ----------- SocksSupport -----------
diff --git a/packages/protocol/src/protocol.yml b/packages/protocol/src/protocol.yml
index eba4e5cc39..a56922fd2f 100644
--- a/packages/protocol/src/protocol.yml
+++ b/packages/protocol/src/protocol.yml
@@ -785,23 +785,6 @@ DebugController:
       parameters:
         paused: boolean
 
-    # Deprecated
-    browsersChanged:
-      parameters:
-        browsers:
-          type: array
-          items:
-            type: object
-            properties:
-              contexts:
-                type: array
-                items:
-                  type: object
-                  properties:
-                    pages:
-                      type: array
-                      items: string
-
 SocksSupport:
   type: interface