diff --git a/change/@azure-msal-browser-08e8affc-ae18-41c2-821d-112c37fbdbdb.json b/change/@azure-msal-browser-08e8affc-ae18-41c2-821d-112c37fbdbdb.json
new file mode 100644
index 0000000000..bb20de401b
--- /dev/null
+++ b/change/@azure-msal-browser-08e8affc-ae18-41c2-821d-112c37fbdbdb.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "Remove isBroker flag from initialize, #8075 ",
+  "packageName": "@azure/msal-browser",
+  "email": "thomas.norling@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/lib/msal-browser/apiReview/msal-browser.api.md b/lib/msal-browser/apiReview/msal-browser.api.md
index 64595b085a..b6da7e017c 100644
--- a/lib/msal-browser/apiReview/msal-browser.api.md
+++ b/lib/msal-browser/apiReview/msal-browser.api.md
@@ -743,7 +743,7 @@ export interface IController {
     // (undocumented)
     hydrateCache(result: AuthenticationResult, request: SilentRequest | SsoSilentRequest | RedirectRequest | PopupRequest): Promise<void>;
     // (undocumented)
-    initialize(request?: InitializeApplicationRequest, isBroker?: boolean): Promise<void>;
+    initialize(request?: InitializeApplicationRequest): Promise<void>;
     // (undocumented)
     initializeWrapperLibrary(sku: WrapperSKU, version: string): void;
     // @internal (undocumented)
diff --git a/lib/msal-browser/src/app/PublicClientApplication.ts b/lib/msal-browser/src/app/PublicClientApplication.ts
index 3da723eaf3..5b89d46aae 100644
--- a/lib/msal-browser/src/app/PublicClientApplication.ts
+++ b/lib/msal-browser/src/app/PublicClientApplication.ts
@@ -96,7 +96,7 @@ export class PublicClientApplication implements IPublicClientApplication {
      * @param request {?InitializeApplicationRequest}
      */
     async initialize(request?: InitializeApplicationRequest): Promise<void> {
-        return this.controller.initialize(request, this.isBroker);
+        return this.controller.initialize(request);
     }
 
     /**
diff --git a/lib/msal-browser/src/controllers/IController.ts b/lib/msal-browser/src/controllers/IController.ts
index 41c46df22c..9fe7f5181d 100644
--- a/lib/msal-browser/src/controllers/IController.ts
+++ b/lib/msal-browser/src/controllers/IController.ts
@@ -28,10 +28,7 @@ import { EventType } from "../event/EventType.js";
 
 export interface IController {
     // TODO: Make request mandatory in the next major version?
-    initialize(
-        request?: InitializeApplicationRequest,
-        isBroker?: boolean
-    ): Promise<void>;
+    initialize(request?: InitializeApplicationRequest): Promise<void>;
 
     acquireTokenPopup(request: PopupRequest): Promise<AuthenticationResult>;
 
diff --git a/lib/msal-browser/src/controllers/NestedAppAuthController.ts b/lib/msal-browser/src/controllers/NestedAppAuthController.ts
index 60e44a7835..552a27b893 100644
--- a/lib/msal-browser/src/controllers/NestedAppAuthController.ts
+++ b/lib/msal-browser/src/controllers/NestedAppAuthController.ts
@@ -157,11 +157,7 @@ export class NestedAppAuthController implements IController {
      * Specific implementation of initialize function for NestedAppAuthController
      * @returns
      */
-    async initialize(
-        request?: InitializeApplicationRequest,
-        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-        isBroker?: boolean
-    ): Promise<void> {
+    async initialize(request?: InitializeApplicationRequest): Promise<void> {
         const initCorrelationId = request?.correlationId || createNewGuid();
         await this.browserStorage.initialize(initCorrelationId);
         return Promise.resolve();
diff --git a/lib/msal-browser/src/controllers/StandardController.ts b/lib/msal-browser/src/controllers/StandardController.ts
index 1d2a36e6fd..2c7d2aae98 100644
--- a/lib/msal-browser/src/controllers/StandardController.ts
+++ b/lib/msal-browser/src/controllers/StandardController.ts
@@ -286,10 +286,7 @@ export class StandardController implements IController {
      * Initializer function to perform async startup tasks such as connecting to WAM extension
      * @param request {?InitializeApplicationRequest} correlation id
      */
-    async initialize(
-        request?: InitializeApplicationRequest,
-        isBroker?: boolean
-    ): Promise<void> {
+    async initialize(request?: InitializeApplicationRequest): Promise<void> {
         const correlationId = this.getRequestCorrelationId(request);
         this.logger.trace("initialize called", correlationId);
         if (this.initialized) {
@@ -319,12 +316,7 @@ export class StandardController implements IController {
         );
         this.eventHandler.emitEvent(EventType.INITIALIZE_START);
 
-        // Broker applications are initialized twice, so we avoid double-counting it
-        if (!isBroker) {
-            try {
-                this.logMultipleInstances(initMeasurement, initCorrelationId);
-            } catch {}
-        }
+        this.logMultipleInstances(initMeasurement, initCorrelationId);
 
         await invokeAsync(
             this.browserStorage.initialize.bind(this.browserStorage),
diff --git a/lib/msal-browser/test/app/PublicClientApplication.spec.ts b/lib/msal-browser/test/app/PublicClientApplication.spec.ts
index 9a083d5ad8..f714ee6188 100644
--- a/lib/msal-browser/test/app/PublicClientApplication.spec.ts
+++ b/lib/msal-browser/test/app/PublicClientApplication.spec.ts
@@ -682,26 +682,6 @@ describe("PublicClientApplication.ts Class Unit Tests", () => {
 
             expect(preGenerateSpy).toHaveBeenCalledTimes(1);
         });
-
-        it("passes in isBroker in request", async () => {
-            pca = new PublicClientApplication({
-                auth: {
-                    clientId: TEST_CONFIG.MSAL_CLIENT_ID,
-                },
-                system: {
-                    allowPlatformBroker: false,
-                },
-            });
-            const initializeControllerSpy = jest.spyOn(
-                StandardController.prototype,
-                "initialize"
-            );
-            await pca.initialize();
-            expect(initializeControllerSpy).toHaveBeenCalledWith(
-                undefined,
-                false
-            );
-        });
     });
 
     describe("handleRedirectPromise", () => {