diff --git a/lib/utils/member-info-utils-test-data.js b/lib/utils/member-info-utils-test-data.js
--- a/lib/utils/member-info-utils-test-data.js
+++ b/lib/utils/member-info-utils-test-data.js
@@ -1,6 +1,10 @@
 // @flow
 
-import type { RawThreadInfo } from '../types/minimally-encoded-thread-permissions-types.js';
+import { type ThreadStoreWithMemberPermissions } from './member-info-utils.js';
+import type {
+  RawThreadInfo,
+  ThinRawThreadInfo,
+} from '../types/minimally-encoded-thread-permissions-types.js';
 
 const rawThreadInfoWithMemberPermissions: any = {
   minimallyEncoded: true,
@@ -209,7 +213,557 @@
   pinnedCount: 0,
 };
 
+const keyedThreadStoreInfos: ThreadStoreWithMemberPermissions = {
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    type: 12,
+    name: 'GENESIS',
+    description:
+      'This is the first community on Comm. In the future it will be possible to create chats outside of a community, but for now all of these chats get set with GENESIS as their parent. GENESIS is hosted on Ashoat’s keyserver.',
+    color: '008f83',
+    creationTime: 4622361304,
+    parentThreadID: null,
+    containingThreadID: null,
+    community: null,
+    members: [
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+        permissions: '3',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+        name: 'Members',
+        permissions: ['000', '010', '005', '015', '0a7'],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83796': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83796',
+        name: 'Admins',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '120',
+          '080',
+          '090',
+          '070',
+          '0d0',
+          '0e0',
+          '130',
+          '140',
+          '150',
+          '160',
+          '004',
+          '014',
+          '0a6',
+          '0a8',
+          '024',
+          '034',
+          '044',
+          '064',
+          '054',
+          '124',
+          '086',
+          '096',
+          '0c4',
+          '074',
+          '0b4',
+          '0d4',
+          '0e4',
+          '134',
+          '156',
+          '0c0',
+        ],
+        minimallyEncoded: true,
+        specialRole: 2,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+      permissions: '3',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84060': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84060',
+    type: 6,
+    name: '',
+    description: '',
+    color: '575757',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        permissions: '2f7fff',
+        isSender: true,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        permissions: '3027f',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '090',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+      permissions: '3027f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84062': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84062',
+    type: 7,
+    name: '',
+    description:
+      'This is your private chat, where you can set reminders and jot notes in private!',
+    color: '5c9f5f',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: null,
+        permissions: '2c7fff',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+        permissions: '3026f',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '060',
+          '050',
+          '090',
+          '030',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+      permissions: '3026f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84096': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84096',
+    type: 6,
+    name: '',
+    description: '',
+    color: '648caa',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: null,
+        permissions: '2c7fff',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '83990',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        permissions: '3027f',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        permissions: '3027f',
+        isSender: true,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '090',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+      permissions: '3027f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+};
+
+const keyedThreadStoreInfosSansMemberPermissions: {
+  +[id: string]: ThinRawThreadInfo,
+} = {
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    type: 12,
+    name: 'GENESIS',
+    description:
+      'This is the first community on Comm. In the future it will be possible to create chats outside of a community, but for now all of these chats get set with GENESIS as their parent. GENESIS is hosted on Ashoat’s keyserver.',
+    color: '008f83',
+    creationTime: 4622361304,
+    parentThreadID: null,
+    containingThreadID: null,
+    community: null,
+    members: [
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+        name: 'Members',
+        permissions: ['000', '010', '005', '015', '0a7'],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83796': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83796',
+        name: 'Admins',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '120',
+          '080',
+          '090',
+          '070',
+          '0d0',
+          '0e0',
+          '130',
+          '140',
+          '150',
+          '160',
+          '004',
+          '014',
+          '0a6',
+          '0a8',
+          '024',
+          '034',
+          '044',
+          '064',
+          '054',
+          '124',
+          '086',
+          '096',
+          '0c4',
+          '074',
+          '0b4',
+          '0d4',
+          '0e4',
+          '134',
+          '156',
+          '0c0',
+        ],
+        minimallyEncoded: true,
+        specialRole: 2,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|83795',
+      permissions: '3',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84060': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84060',
+    type: 6,
+    name: '',
+    description: '',
+    color: '575757',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        isSender: true,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '090',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84061',
+      permissions: '3027f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84062': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84062',
+    type: 7,
+    name: '',
+    description:
+      'This is your private chat, where you can set reminders and jot notes in private!',
+    color: '5c9f5f',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: null,
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '060',
+          '050',
+          '090',
+          '030',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84063',
+      permissions: '3026f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+  '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84096': {
+    minimallyEncoded: true,
+    id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84096',
+    type: 6,
+    name: '',
+    description: '',
+    color: '648caa',
+    creationTime: 4622361304,
+    parentThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    containingThreadID: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    community: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|1',
+    members: [
+      {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38',
+        role: null,
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '83990',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        isSender: false,
+        minimallyEncoded: true,
+      },
+      {
+        id: '84051',
+        role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        isSender: true,
+        minimallyEncoded: true,
+      },
+    ],
+    roles: {
+      '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097': {
+        id: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+        name: 'Members',
+        permissions: [
+          '000',
+          '010',
+          '020',
+          '100',
+          '110',
+          '030',
+          '040',
+          '060',
+          '050',
+          '090',
+          '005',
+          '015',
+          '0a9',
+        ],
+        minimallyEncoded: true,
+        specialRole: 1,
+      },
+    },
+    currentUser: {
+      role: '76F9CE14-9106-4DD3-A69C-CFDC8E9CAC38|84097',
+      permissions: '3027f',
+      subscription: { home: true, pushNotifs: true },
+      unread: false,
+      minimallyEncoded: true,
+    },
+    repliesCount: 0,
+    pinnedCount: 0,
+  },
+};
+
 export {
   rawThreadInfoWithMemberPermissions,
   rawThreadInfoSansMemberPermissions,
+  keyedThreadStoreInfos,
+  keyedThreadStoreInfosSansMemberPermissions,
 };
diff --git a/lib/utils/member-info-utils.js b/lib/utils/member-info-utils.js
--- a/lib/utils/member-info-utils.js
+++ b/lib/utils/member-info-utils.js
@@ -3,8 +3,10 @@
 import type {
   MemberInfoSansPermissions,
   MemberInfoWithPermissions,
+  RawThreadInfo,
   ThinRawThreadInfo,
 } from '../types/minimally-encoded-thread-permissions-types.js';
+import type { RawThreadInfos } from '../types/thread-types.js';
 
 function stripPermissionsFromMemberInfo(
   memberInfo: MemberInfoWithPermissions,
@@ -27,7 +29,28 @@
   };
 }
 
+export type ThreadStoreWithMemberPermissions = {
+  +[id: string]: ThinRawThreadInfoWithPermissions,
+};
+// NOTE: Don't modify this function without understanding
+//       how it may affect existing client migrations.
+function stripMemberPermissionsFromRawThreadInfos(
+  threadStoreInfos: ThreadStoreWithMemberPermissions,
+): RawThreadInfos {
+  const strippedThreadStoreInfos: { [id: string]: RawThreadInfo } = {};
+
+  for (const threadID in threadStoreInfos) {
+    const rawThreadInfo: ThinRawThreadInfoWithPermissions =
+      threadStoreInfos[threadID];
+    const updatedRawThreadInfo: ThinRawThreadInfo =
+      stripMemberPermissionsFromRawThreadInfo(rawThreadInfo);
+    strippedThreadStoreInfos[threadID] = updatedRawThreadInfo;
+  }
+
+  return strippedThreadStoreInfos;
+}
 export {
   stripPermissionsFromMemberInfo,
   stripMemberPermissionsFromRawThreadInfo,
+  stripMemberPermissionsFromRawThreadInfos,
 };
diff --git a/lib/utils/member-info-utils.test.js b/lib/utils/member-info-utils.test.js
--- a/lib/utils/member-info-utils.test.js
+++ b/lib/utils/member-info-utils.test.js
@@ -1,11 +1,14 @@
 // @flow
 
 import {
+  keyedThreadStoreInfos,
+  keyedThreadStoreInfosSansMemberPermissions,
   rawThreadInfoSansMemberPermissions,
   rawThreadInfoWithMemberPermissions,
 } from './member-info-utils-test-data.js';
 import {
   stripMemberPermissionsFromRawThreadInfo,
+  stripMemberPermissionsFromRawThreadInfos,
   stripPermissionsFromMemberInfo,
 } from './member-info-utils.js';
 import type {
@@ -46,3 +49,14 @@
     expect(strippedRawThreadInfo).toEqual(rawThreadInfoSansMemberPermissions);
   });
 });
+
+describe('stripMemberPermissionsFromRawThreadInfos', () => {
+  test('should strip member permissions from RawThreadInfos', () => {
+    const strippedRawThreadInfos = stripMemberPermissionsFromRawThreadInfos(
+      keyedThreadStoreInfos,
+    );
+    expect(strippedRawThreadInfos).toEqual(
+      keyedThreadStoreInfosSansMemberPermissions,
+    );
+  });
+});