diff --git a/lib/types/thread-permission-types.js b/lib/types/thread-permission-types.js
--- a/lib/types/thread-permission-types.js
+++ b/lib/types/thread-permission-types.js
@@ -310,31 +310,6 @@
     [userSurfacedPermissions.MANAGE_INVITE_LINKS]: manageInviteLinksPermissions,
   });
 
-export const universalCommunityPermissions: $ReadOnlyArray<string> = [
-  // know_of | descendant_open_know_of
-  threadPermissions.KNOW_OF,
-  threadPermissionPropagationPrefixes.DESCENDANT +
-    threadPermissionFilterPrefixes.OPEN +
-    threadPermissions.KNOW_OF,
-
-  // visible | descendant_open_visible
-  threadPermissions.VISIBLE,
-  threadPermissionPropagationPrefixes.DESCENDANT +
-    threadPermissionFilterPrefixes.OPEN +
-    threadPermissions.VISIBLE,
-
-  // child_open_join_thread | descendant_opentoplevel_join_thread
-  threadPermissionPropagationPrefixes.CHILD +
-    threadPermissionFilterPrefixes.OPEN +
-    threadPermissions.JOIN_THREAD,
-  threadPermissionPropagationPrefixes.DESCENDANT +
-    threadPermissionFilterPrefixes.OPEN_TOP_LEVEL +
-    threadPermissions.JOIN_THREAD,
-
-  threadPermissions.CREATE_SIDEBARS,
-  threadPermissions.LEAVE_THREAD,
-];
-
 export type ThreadPermissionInfo =
   | { +value: true, +source: string }
   | { +value: false, +source: null };
diff --git a/lib/types/thread-permission-types.test.js b/lib/types/thread-permission-types.test.js
--- a/lib/types/thread-permission-types.test.js
+++ b/lib/types/thread-permission-types.test.js
@@ -2,12 +2,7 @@
 
 import _isEqual from 'lodash/fp/isEqual.js';
 
-import {
-  configurableCommunityPermissions,
-  universalCommunityPermissions,
-  userSurfacedPermissions,
-  threadPermissions,
-} from './thread-permission-types.js';
+import { userSurfacedPermissions } from './thread-permission-types.js';
 import { getRolePermissionBlobs } from '../permissions/thread-permissions.js';
 import { threadTypes } from '../types/thread-types-enum.js';
 import { values } from '../utils/objects.js';
@@ -18,26 +13,6 @@
     threadTypes.COMMUNITY_ANNOUNCEMENT_ROOT,
   );
 
-  it('should find Member permissions from getRolePermissionBlobs and user-surfaced permissions to be equal', () => {
-    const membersPermissionsConstructed = [
-      ...configurableCommunityPermissions[userSurfacedPermissions.ADD_MEMBERS],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.REACT_TO_MESSAGES
-      ],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.EDIT_MESSAGES
-      ],
-      ...universalCommunityPermissions,
-    ];
-    const membersPermissionsConstructedBlob = Object.fromEntries(
-      membersPermissionsConstructed.map(permission => [permission, true]),
-    );
-
-    expect(
-      _isEqual(membersPermissionBlob, membersPermissionsConstructedBlob),
-    ).toBe(true);
-  });
-
   it('should find equal permission blobs when toggling user-surfaced permissions', () => {
     for (const userSurfacedPermission of values(userSurfacedPermissions)) {
       const firstTimeToggledPermissionSet = toggleUserSurfacedPermission(
@@ -61,33 +36,6 @@
     threadTypes.COMMUNITY_ROOT,
   );
 
-  it('should find Member permissions from getRolePermissionBlobs and user-surfaced permissions to be equal', () => {
-    const membersPermissionsConstructed = [
-      ...configurableCommunityPermissions[userSurfacedPermissions.ADD_MEMBERS],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.REACT_TO_MESSAGES
-      ],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.EDIT_MESSAGES
-      ],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.CREATE_AND_EDIT_CHANNELS
-      ],
-      ...configurableCommunityPermissions[
-        userSurfacedPermissions.EDIT_CALENDAR
-      ],
-      threadPermissions.VOICED,
-      ...universalCommunityPermissions,
-    ];
-    const membersPermissionsConstructedBlob = Object.fromEntries(
-      membersPermissionsConstructed.map(permission => [permission, true]),
-    );
-
-    expect(
-      _isEqual(membersPermissionBlob, membersPermissionsConstructedBlob),
-    ).toBe(true);
-  });
-
   it('should find equal permission blobs when toggling user-surfaced permissions', () => {
     for (const userSurfacedPermission of values(userSurfacedPermissions)) {
       const firstTimeToggledPermissionSet = toggleUserSurfacedPermission(