diff --git a/libs/angular/src/services/jslib-services.module.ts b/libs/angular/src/services/jslib-services.module.ts
index fedbf43391c..6b0823fb4cb 100644
--- a/libs/angular/src/services/jslib-services.module.ts
+++ b/libs/angular/src/services/jslib-services.module.ts
@@ -622,7 +622,7 @@ import { AbstractThemingService } from "./theming/theming.service.abstraction";
     {
       provide: OrganizationServiceAbstraction,
       useClass: OrganizationService,
-      deps: [StateServiceAbstraction],
+      deps: [StateServiceAbstraction, ConfigServiceAbstraction],
     },
     {
       provide: InternalOrganizationServiceAbstraction,
diff --git a/libs/common/src/admin-console/models/domain/organization.ts b/libs/common/src/admin-console/models/domain/organization.ts
index 87fcb77cad6..f6dd255a75e 100644
--- a/libs/common/src/admin-console/models/domain/organization.ts
+++ b/libs/common/src/admin-console/models/domain/organization.ts
@@ -187,6 +187,7 @@ export class Organization {
   /**
    * @deprecated
    * This is deprecated with the introduction of Flexible Collections.
+   * This will always return false if FlexibleCollections flag is on.
    */
   get canEditAssignedCollections() {
     return this.isManager || this.permissions.editAssignedCollections;
@@ -195,6 +196,7 @@ export class Organization {
   /**
    * @deprecated
    * This is deprecated with the introduction of Flexible Collections.
+   * This will always return false if FlexibleCollections flag is on.
    */
   get canDeleteAssignedCollections() {
     return this.isManager || this.permissions.deleteAssignedCollections;
@@ -203,6 +205,7 @@ export class Organization {
   /**
    * @deprecated
    * This is deprecated with the introduction of Flexible Collections.
+   * This will always return false if FlexibleCollections flag is on.
    */
   get canViewAssignedCollections() {
     return this.canDeleteAssignedCollections || this.canEditAssignedCollections;
diff --git a/libs/common/src/admin-console/services/organization/organization.service.ts b/libs/common/src/admin-console/services/organization/organization.service.ts
index c8641b41f25..5a486827394 100644
--- a/libs/common/src/admin-console/services/organization/organization.service.ts
+++ b/libs/common/src/admin-console/services/organization/organization.service.ts
@@ -1,10 +1,13 @@
 import { BehaviorSubject, concatMap, map, Observable } from "rxjs";
 
+import { FeatureFlag } from "../../../enums/feature-flag.enum";
+import { ConfigServiceAbstraction } from "../../../platform/abstractions/config/config.service.abstraction";
 import { StateService } from "../../../platform/abstractions/state.service";
 import {
   InternalOrganizationServiceAbstraction,
   isMember,
 } from "../../abstractions/organization/organization.service.abstraction";
+import { OrganizationUserType } from "../../enums";
 import { OrganizationData } from "../../models/data/organization.data";
 import { Organization } from "../../models/domain/organization";
 
@@ -14,7 +17,7 @@ export class OrganizationService implements InternalOrganizationServiceAbstracti
   organizations$ = this._organizations.asObservable();
   memberOrganizations$ = this.organizations$.pipe(map((orgs) => orgs.filter(isMember)));
 
-  constructor(private stateService: StateService) {
+  constructor(private stateService: StateService, private configService: ConfigServiceAbstraction) {
     this.stateService.activeAccountUnlocked$
       .pipe(
         concatMap(async (unlocked) => {
@@ -103,6 +106,20 @@ export class OrganizationService implements InternalOrganizationServiceAbstracti
   }
 
   async replace(organizations: { [id: string]: OrganizationData }) {
+    // If Flexible Collections is enabled, treat Managers as Users and ignore deprecated permissions
+    if (await this.configService.getFeatureFlag(FeatureFlag.FlexibleCollections)) {
+      Object.values(organizations).forEach((o) => {
+        if (o.type === OrganizationUserType.Manager) {
+          o.type = OrganizationUserType.User;
+        }
+
+        if (o.permissions != null) {
+          o.permissions.editAssignedCollections = false;
+          o.permissions.deleteAssignedCollections = false;
+        }
+      });
+    }
+
     await this.stateService.setOrganizations(organizations);
     this.updateObservables(organizations);
   }