diff --git a/libs/common/src/key-management/master-password/abstractions/master-password-unlock.service.ts b/libs/common/src/key-management/master-password/abstractions/master-password-unlock.service.ts
index 63ee7d69719..24e43683930 100644
--- a/libs/common/src/key-management/master-password/abstractions/master-password-unlock.service.ts
+++ b/libs/common/src/key-management/master-password/abstractions/master-password-unlock.service.ts
@@ -1,6 +1,7 @@
 import { UserId } from "@bitwarden/user-core";
 
 import { UserKey } from "../../../types/key";
+import { MasterPasswordUnlockData } from "../types/master-password.types";
 
 export abstract class MasterPasswordUnlockService {
   /**
@@ -24,4 +25,14 @@ export abstract class MasterPasswordUnlockService {
    * @returns true if the userKey can be decrypted, false otherwise.
    */
   abstract proofOfDecryption(masterPassword: string, userId: UserId): Promise<boolean>;
+
+  /**
+   * Previously unlocking had the side effect of setting the masterKey and masterPasswordHash in state.
+   * This is to preserve that behavior, once masterKey and masterPasswordHash state is removed this should be removed as well.
+   */
+  abstract setLegacyState(
+    masterPassword: string,
+    masterPasswordUnlockData: MasterPasswordUnlockData,
+    userId: UserId,
+  ): Promise<void>;
 }
diff --git a/libs/common/src/key-management/master-password/services/default-master-password-unlock.service.ts b/libs/common/src/key-management/master-password/services/default-master-password-unlock.service.ts
index 89a87403e49..e00fd1ee5e6 100644
--- a/libs/common/src/key-management/master-password/services/default-master-password-unlock.service.ts
+++ b/libs/common/src/key-management/master-password/services/default-master-password-unlock.service.ts
@@ -88,7 +88,7 @@ export class DefaultMasterPasswordUnlockService implements MasterPasswordUnlockS
 
   // Previously unlocking had the side effect of setting the masterKey and masterPasswordHash in state.
   // This is to preserve that behavior, once masterKey and masterPasswordHash state is removed this should be removed as well.
-  private async setLegacyState(
+  async setLegacyState(
     masterPassword: string,
     masterPasswordUnlockData: MasterPasswordUnlockData,
     userId: UserId,