diff --git a/apps/browser/src/_locales/en/messages.json b/apps/browser/src/_locales/en/messages.json
index 1c0b1788957..bd62b825e79 100644
--- a/apps/browser/src/_locales/en/messages.json
+++ b/apps/browser/src/_locales/en/messages.json
@@ -1120,9 +1120,6 @@
   "commandLockVaultDesc": {
     "message": "Lock the vault"
   },
-  "privateModeWarning": {
-    "message": "Private mode support is experimental and some features are limited."
-  },
   "customFields": {
     "message": "Custom fields"
   },
diff --git a/apps/browser/src/auth/popup/lock.component.html b/apps/browser/src/auth/popup/lock.component.html
index 9892503a7bb..5ea839470be 100644
--- a/apps/browser/src/auth/popup/lock.component.html
+++ b/apps/browser/src/auth/popup/lock.component.html
@@ -89,7 +89,6 @@
       <p class="text-center" *ngIf="!fido2Data.isFido2Session">
         <button type="button" appStopClick (click)="logOut()">{{ "logOut" | i18n }}</button>
       </p>
-      <app-private-mode-warning></app-private-mode-warning>
       <app-callout *ngIf="biometricError" type="error">{{ biometricError }}</app-callout>
       <p class="text-center text-muted" *ngIf="pendingBiometric">
         <i class="bwi bwi-spinner bwi-spin" aria-hidden="true"></i> {{ "awaitDesktop" | i18n }}
diff --git a/apps/browser/src/auth/popup/login.component.html b/apps/browser/src/auth/popup/login.component.html
index b24a25a0f1a..7a4211a5cc1 100644
--- a/apps/browser/src/auth/popup/login.component.html
+++ b/apps/browser/src/auth/popup/login.component.html
@@ -57,7 +57,6 @@
         </button>
       </div>
     </div>
-    <app-private-mode-warning></app-private-mode-warning>
     <div class="content login-buttons">
       <button type="submit" class="btn primary block" [disabled]="form.loading">
         <span [hidden]="form.loading"
diff --git a/apps/browser/src/background/main.background.ts b/apps/browser/src/background/main.background.ts
index adcb4a21ba4..16b8c8beeaa 100644
--- a/apps/browser/src/background/main.background.ts
+++ b/apps/browser/src/background/main.background.ts
@@ -109,7 +109,6 @@ import { EncryptServiceImplementation } from "@bitwarden/common/platform/service
 import { MultithreadEncryptServiceImplementation } from "@bitwarden/common/platform/services/cryptography/multithread-encrypt.service.implementation";
 import { FileUploadService } from "@bitwarden/common/platform/services/file-upload/file-upload.service";
 import { KeyGenerationService } from "@bitwarden/common/platform/services/key-generation.service";
-import { MemoryStorageService } from "@bitwarden/common/platform/services/memory-storage.service";
 import { MigrationBuilderService } from "@bitwarden/common/platform/services/migration-builder.service";
 import { MigrationRunner } from "@bitwarden/common/platform/services/migration-runner";
 import { SystemService } from "@bitwarden/common/platform/services/system.service";
@@ -356,10 +355,7 @@ export default class MainBackground {
   private isSafari: boolean;
   private nativeMessagingBackground: NativeMessagingBackground;
 
-  constructor(
-    public isPrivateMode: boolean = false,
-    public popupOnlyContext: boolean = false,
-  ) {
+  constructor(public popupOnlyContext: boolean = false) {
     // Services
     const lockedCallback = async (userId?: string) => {
       if (this.notificationsService != null) {
@@ -443,10 +439,14 @@ export default class MainBackground {
     this.secureStorageService = this.storageService; // secure storage is not supported in browsers, so we use local storage and warn users when it is used
     this.memoryStorageForStateProviders = BrowserApi.isManifestVersion(3)
       ? new BrowserMemoryStorageService() // mv3 stores to storage.session
-      : new BackgroundMemoryStorageService(); // mv2 stores to memory
+      : popupOnlyContext
+        ? new ForegroundMemoryStorageService()
+        : new BackgroundMemoryStorageService(); // mv2 stores to memory
     this.memoryStorageService = BrowserApi.isManifestVersion(3)
       ? this.memoryStorageForStateProviders // manifest v3 can reuse the same storage. They are split for v2 due to lacking a good sync mechanism, which isn't true for v3
-      : new MemoryStorageService();
+      : popupOnlyContext
+        ? new ForegroundMemoryStorageService()
+        : new BackgroundMemoryStorageService();
     this.largeObjectMemoryStorageForStateProviders = BrowserApi.isManifestVersion(3)
       ? mv3MemoryStorageCreator() // mv3 stores to local-backed session storage
       : this.memoryStorageForStateProviders; // mv2 stores to the same location
@@ -1109,27 +1109,9 @@ export default class MainBackground {
     await this.idleBackground.init();
     this.webRequestBackground?.startListening();
 
-    if (this.platformUtilsService.isFirefox() && !this.isPrivateMode) {
-      // Set Private Mode windows to the default icon - they do not share state with the background page
-      const privateWindows = await BrowserApi.getPrivateModeWindows();
-      privateWindows.forEach(async (win) => {
-        await new UpdateBadge(self).setBadgeIcon("", win.id);
-      });
-
-      // FIXME: Verify that this floating promise is intentional. If it is, add an explanatory comment and ensure there is proper error handling.
-      // eslint-disable-next-line @typescript-eslint/no-floating-promises
-      BrowserApi.onWindowCreated(async (win) => {
-        if (win.incognito) {
-          await new UpdateBadge(self).setBadgeIcon("", win.id);
-        }
-      });
-    }
-
     return new Promise<void>((resolve) => {
       setTimeout(async () => {
-        if (!this.isPrivateMode) {
-          await this.refreshBadge();
-        }
+        await this.refreshBadge();
         await this.fullSync(true);
         setTimeout(() => this.notificationsService.init(), 2500);
         resolve();
diff --git a/apps/browser/src/platform/browser/browser-api.ts b/apps/browser/src/platform/browser/browser-api.ts
index f536eb8312d..e804cf2b8d4 100644
--- a/apps/browser/src/platform/browser/browser-api.ts
+++ b/apps/browser/src/platform/browser/browser-api.ts
@@ -204,10 +204,6 @@ export class BrowserApi {
     chrome.tabs.sendMessage<TabMessage, T>(tabId, message, options, responseCallback);
   }
 
-  static async getPrivateModeWindows(): Promise<browser.windows.Window[]> {
-    return (await browser.windows.getAll()).filter((win) => win.incognito);
-  }
-
   static async onWindowCreated(callback: (win: chrome.windows.Window) => any) {
     // FIXME: Make sure that is does not cause a memory leak in Safari or use BrowserApi.AddListener
     // and test that it doesn't break.
diff --git a/apps/browser/src/platform/popup/browser-popup-utils.spec.ts b/apps/browser/src/platform/popup/browser-popup-utils.spec.ts
index c2d33369bd6..73f0d23f4f2 100644
--- a/apps/browser/src/platform/popup/browser-popup-utils.spec.ts
+++ b/apps/browser/src/platform/popup/browser-popup-utils.spec.ts
@@ -138,28 +138,6 @@ describe("BrowserPopupUtils", () => {
     });
   });
 
-  describe("inPrivateMode", () => {
-    it("returns false if the background requires initialization", () => {
-      jest.spyOn(BrowserPopupUtils, "backgroundInitializationRequired").mockReturnValue(false);
-
-      expect(BrowserPopupUtils.inPrivateMode()).toBe(false);
-    });
-
-    it("returns false if the manifest version is for version 3", () => {
-      jest.spyOn(BrowserPopupUtils, "backgroundInitializationRequired").mockReturnValue(true);
-      jest.spyOn(BrowserApi, "manifestVersion", "get").mockReturnValue(3);
-
-      expect(BrowserPopupUtils.inPrivateMode()).toBe(false);
-    });
-
-    it("returns true if the background does not require initalization and the manifest version is version 2", () => {
-      jest.spyOn(BrowserPopupUtils, "backgroundInitializationRequired").mockReturnValue(true);
-      jest.spyOn(BrowserApi, "manifestVersion", "get").mockReturnValue(2);
-
-      expect(BrowserPopupUtils.inPrivateMode()).toBe(true);
-    });
-  });
-
   describe("openPopout", () => {
     beforeEach(() => {
       jest.spyOn(BrowserApi, "getWindow").mockResolvedValueOnce({
diff --git a/apps/browser/src/platform/popup/browser-popup-utils.ts b/apps/browser/src/platform/popup/browser-popup-utils.ts
index 2e087db83ef..a2249d466cb 100644
--- a/apps/browser/src/platform/popup/browser-popup-utils.ts
+++ b/apps/browser/src/platform/popup/browser-popup-utils.ts
@@ -89,13 +89,6 @@ class BrowserPopupUtils {
     return !BrowserApi.getBackgroundPage();
   }
 
-  /**
-   * Identifies if the popup is loading in private mode.
-   */
-  static inPrivateMode() {
-    return BrowserPopupUtils.backgroundInitializationRequired() && !BrowserApi.isManifestVersion(3);
-  }
-
   /**
    * Opens a popout window of any extension page. If the popout window is already open, it will be focused.
    *
diff --git a/apps/browser/src/platform/services/default-browser-state.service.ts b/apps/browser/src/platform/services/default-browser-state.service.ts
index f717ab96d83..b0b9e3748f8 100644
--- a/apps/browser/src/platform/services/default-browser-state.service.ts
+++ b/apps/browser/src/platform/services/default-browser-state.service.ts
@@ -62,15 +62,6 @@ export class DefaultBrowserStateService
     await super.addAccount(account);
   }
 
-  async getIsAuthenticated(options?: StorageOptions): Promise<boolean> {
-    // Firefox Private Mode can clash with non-Private Mode because they both read from the same onDiskOptions
-    // Check that there is an account in memory before considering the user authenticated
-    return (
-      (await super.getIsAuthenticated(options)) &&
-      (await this.getAccount(await this.defaultInMemoryOptions())) != null
-    );
-  }
-
   // Overriding the base class to prevent deleting the cache on save. We register a storage listener
   // to delete the cache in the constructor above.
   protected override async saveAccountToDisk(
diff --git a/apps/browser/src/popup/app.module.ts b/apps/browser/src/popup/app.module.ts
index 2fb582d6932..0862c2da520 100644
--- a/apps/browser/src/popup/app.module.ts
+++ b/apps/browser/src/popup/app.module.ts
@@ -70,7 +70,6 @@ import { FolderAddEditComponent } from "../vault/popup/settings/folder-add-edit.
 import { AppRoutingModule } from "./app-routing.module";
 import { AppComponent } from "./app.component";
 import { PopOutComponent } from "./components/pop-out.component";
-import { PrivateModeWarningComponent } from "./components/private-mode-warning.component";
 import { UserVerificationComponent } from "./components/user-verification.component";
 import { ServicesModule } from "./services/services.module";
 import { ExcludedDomainsComponent } from "./settings/excluded-domains.component";
@@ -150,7 +149,6 @@ import "../platform/popup/locales";
     PasswordHistoryComponent,
     PopOutComponent,
     PremiumComponent,
-    PrivateModeWarningComponent,
     RegisterComponent,
     SendAddEditComponent,
     SendGroupingsComponent,
diff --git a/apps/browser/src/popup/components/private-mode-warning.component.html b/apps/browser/src/popup/components/private-mode-warning.component.html
deleted file mode 100644
index 9cd53ea1be1..00000000000
--- a/apps/browser/src/popup/components/private-mode-warning.component.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<app-callout class="app-private-mode-warning" type="warning" *ngIf="showWarning">
-  {{ "privateModeWarning" | i18n }}
-  <a href="https://bitwarden.com/help/article/private-mode/" target="_blank" rel="noreferrer">{{
-    "learnMore" | i18n
-  }}</a>
-</app-callout>
diff --git a/apps/browser/src/popup/components/private-mode-warning.component.ts b/apps/browser/src/popup/components/private-mode-warning.component.ts
deleted file mode 100644
index ff6292bdbf6..00000000000
--- a/apps/browser/src/popup/components/private-mode-warning.component.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { Component, OnInit } from "@angular/core";
-
-import BrowserPopupUtils from "../../platform/popup/browser-popup-utils";
-
-@Component({
-  selector: "app-private-mode-warning",
-  templateUrl: "private-mode-warning.component.html",
-})
-export class PrivateModeWarningComponent implements OnInit {
-  showWarning = false;
-
-  ngOnInit() {
-    this.showWarning = BrowserPopupUtils.inPrivateMode();
-  }
-}
diff --git a/apps/browser/src/popup/scss/pages.scss b/apps/browser/src/popup/scss/pages.scss
index 3c651682c17..3ae36472996 100644
--- a/apps/browser/src/popup/scss/pages.scss
+++ b/apps/browser/src/popup/scss/pages.scss
@@ -111,11 +111,6 @@ app-home {
   }
 }
 
-.app-private-mode-warning {
-  display: block;
-  padding-top: 1rem;
-}
-
 body.body-sm,
 body.body-xs {
   app-home {
diff --git a/apps/browser/src/popup/services/services.module.ts b/apps/browser/src/popup/services/services.module.ts
index bec278aeeb9..163b2f1edb7 100644
--- a/apps/browser/src/popup/services/services.module.ts
+++ b/apps/browser/src/popup/services/services.module.ts
@@ -28,7 +28,9 @@ import { AccountService as AccountServiceAbstraction } from "@bitwarden/common/a
 import { AuthService as AuthServiceAbstraction } from "@bitwarden/common/auth/abstractions/auth.service";
 import { DeviceTrustServiceAbstraction } from "@bitwarden/common/auth/abstractions/device-trust.service.abstraction";
 import { DevicesServiceAbstraction } from "@bitwarden/common/auth/abstractions/devices/devices.service.abstraction";
+import { KdfConfigService } from "@bitwarden/common/auth/abstractions/kdf-config.service";
 import { KeyConnectorService } from "@bitwarden/common/auth/abstractions/key-connector.service";
+import { InternalMasterPasswordServiceAbstraction } from "@bitwarden/common/auth/abstractions/master-password.service.abstraction";
 import { SsoLoginServiceAbstraction } from "@bitwarden/common/auth/abstractions/sso-login.service.abstraction";
 import { TokenService } from "@bitwarden/common/auth/abstractions/token.service";
 import { UserVerificationService } from "@bitwarden/common/auth/abstractions/user-verification/user-verification.service.abstraction";
@@ -53,6 +55,7 @@ import { EncryptService } from "@bitwarden/common/platform/abstractions/encrypt.
 import { EnvironmentService } from "@bitwarden/common/platform/abstractions/environment.service";
 import { FileDownloadService } from "@bitwarden/common/platform/abstractions/file-download/file-download.service";
 import { I18nService as I18nServiceAbstraction } from "@bitwarden/common/platform/abstractions/i18n.service";
+import { KeyGenerationService } from "@bitwarden/common/platform/abstractions/key-generation.service";
 import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
 import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
 import { StateService as BaseStateServiceAbstraction } from "@bitwarden/common/platform/abstractions/state.service";
@@ -61,6 +64,7 @@ import {
   AbstractStorageService,
   ObservableStorageService,
 } from "@bitwarden/common/platform/abstractions/storage.service";
+import { BiometricStateService } from "@bitwarden/common/platform/biometrics/biometric-state.service";
 import { StateFactory } from "@bitwarden/common/platform/factories/state-factory";
 import { Message, MessageListener, MessageSender } from "@bitwarden/common/platform/messaging";
 // eslint-disable-next-line no-restricted-imports -- Used for dependency injection
@@ -100,6 +104,7 @@ import BrowserPopupUtils from "../../platform/popup/browser-popup-utils";
 import { BrowserFileDownloadService } from "../../platform/popup/services/browser-file-download.service";
 import { BrowserStateService as StateServiceAbstraction } from "../../platform/services/abstractions/browser-state.service";
 import { ScriptInjectorService } from "../../platform/services/abstractions/script-injector.service";
+import { BrowserCryptoService } from "../../platform/services/browser-crypto.service";
 import { BrowserEnvironmentService } from "../../platform/services/browser-environment.service";
 import BrowserLocalStorageService from "../../platform/services/browser-local-storage.service";
 import { BrowserScriptInjectorService } from "../../platform/services/browser-script-injector.service";
@@ -125,13 +130,12 @@ const OBSERVABLE_LARGE_OBJECT_MEMORY_STORAGE = new SafeInjectionToken<
 >("OBSERVABLE_LARGE_OBJECT_MEMORY_STORAGE");
 
 const needsBackgroundInit = BrowserPopupUtils.backgroundInitializationRequired();
-const isPrivateMode = BrowserPopupUtils.inPrivateMode();
 const mainBackground: MainBackground = needsBackgroundInit
   ? createLocalBgService()
   : BrowserApi.getBackgroundPage().bitwardenMain;
 
 function createLocalBgService() {
-  const localBgService = new MainBackground(isPrivateMode, true);
+  const localBgService = new MainBackground(true);
   // FIXME: Verify that this floating promise is intentional. If it is, add an explanatory comment and ensure there is proper error handling.
   // eslint-disable-next-line @typescript-eslint/no-floating-promises
   localBgService.bootstrap();
@@ -220,12 +224,48 @@ const safeProviders: SafeProvider[] = [
   }),
   safeProvider({
     provide: CryptoService,
-    useFactory: (encryptService: EncryptService) => {
-      const cryptoService = getBgService<CryptoService>("cryptoService")();
+    useFactory: (
+      masterPasswordService: InternalMasterPasswordServiceAbstraction,
+      keyGenerationService: KeyGenerationService,
+      cryptoFunctionService: CryptoFunctionService,
+      encryptService: EncryptService,
+      platformUtilsService: PlatformUtilsService,
+      logService: LogService,
+      stateService: StateServiceAbstraction,
+      accountService: AccountServiceAbstraction,
+      stateProvider: StateProvider,
+      biometricStateService: BiometricStateService,
+      kdfConfigService: KdfConfigService,
+    ) => {
+      const cryptoService = new BrowserCryptoService(
+        masterPasswordService,
+        keyGenerationService,
+        cryptoFunctionService,
+        encryptService,
+        platformUtilsService,
+        logService,
+        stateService,
+        accountService,
+        stateProvider,
+        biometricStateService,
+        kdfConfigService,
+      );
       new ContainerService(cryptoService, encryptService).attachToGlobal(self);
       return cryptoService;
     },
-    deps: [EncryptService],
+    deps: [
+      InternalMasterPasswordServiceAbstraction,
+      KeyGenerationService,
+      CryptoFunctionService,
+      EncryptService,
+      PlatformUtilsService,
+      LogService,
+      StateServiceAbstraction,
+      AccountServiceAbstraction,
+      StateProvider,
+      BiometricStateService,
+      KdfConfigService,
+    ],
   }),
   safeProvider({
     provide: TotpServiceAbstraction,