diff --git a/lib/utils/role-utils.js b/lib/utils/role-utils.js
index f4c0b754d..313af4980 100644
--- a/lib/utils/role-utils.js
+++ b/lib/utils/role-utils.js
@@ -1,131 +1,127 @@
 // @flow
 
 import * as React from 'react';
 
 import { useSelector } from './redux-utils.js';
 import { threadInfoSelector } from '../selectors/thread-selectors.js';
 import type {
   MinimallyEncodedRoleInfo,
   RelativeMemberInfo,
   ThreadInfo,
 } from '../types/minimally-encoded-thread-permissions-types.js';
 import {
   configurableCommunityPermissions,
   type ThreadRolePermissionsBlob,
   type UserSurfacedPermission,
 } from '../types/thread-permission-types.js';
-import type { LegacyRoleInfo } from '../types/thread-types';
 import { threadTypes } from '../types/thread-types-enum.js';
 
 function constructRoleDeletionMessagePrompt(
   defaultRoleName: string,
   memberCount: number,
 ): string {
   let message;
   if (memberCount === 0) {
     message = 'Are you sure you want to delete this role?';
   } else {
     const messageNoun = memberCount === 1 ? 'member' : 'members';
     const messageVerb = memberCount === 1 ? 'is' : 'are';
     message =
       `There ${messageVerb} currently ${memberCount} ${messageNoun} with ` +
       `this role. Deleting the role will automatically assign the ` +
       `${messageNoun} affected to the ${defaultRoleName} role.`;
   }
 
   return message;
 }
 
 type RoleDeletableAndEditableStatus = {
   +isDeletable: boolean,
   +isEditable: boolean,
 };
 function useRoleDeletableAndEditableStatus(
   roleName: string,
   defaultRoleID: string,
   existingRoleID: string,
 ): RoleDeletableAndEditableStatus {
   return React.useMemo(() => {
     const canDelete = roleName !== 'Admins' && defaultRoleID !== existingRoleID;
     const canEdit = roleName !== 'Admins';
 
     return {
       isDeletable: canDelete,
       isEditable: canEdit,
     };
   }, [roleName, defaultRoleID, existingRoleID]);
 }
 
 function useRolesFromCommunityThreadInfo(
   threadInfo: ThreadInfo,
   memberInfos: $ReadOnlyArray<RelativeMemberInfo>,
-): $ReadOnlyMap<string, ?LegacyRoleInfo | ?MinimallyEncodedRoleInfo> {
+): $ReadOnlyMap<string, ?MinimallyEncodedRoleInfo> {
   // Our in-code system has chat-specific roles, while the
   // user-surfaced system has roles only for communities. We retrieve roles
   // from the top-level community thread for accuracy, with a rare fallback
   // for potential issues reading memberInfos, primarily in GENESIS threads.
   // The special case is GENESIS threads, since per prior discussion
   // (see context: https://linear.app/comm/issue/ENG-4077/), we don't really
   // support roles for it. Also with GENESIS, the list of members are not
   // populated in the community root. So in this case to prevent crashing, we
   // should just return the role name from the current thread info.
   const { community } = threadInfo;
   const communityThreadInfo = useSelector(state =>
     community ? threadInfoSelector(state)[community] : null,
   );
   const topMostThreadInfo = communityThreadInfo || threadInfo;
-  const roleMap = new Map<
-    string,
-    ?LegacyRoleInfo | ?MinimallyEncodedRoleInfo,
-  >();
+  const roleMap = new Map<string, ?MinimallyEncodedRoleInfo>();
 
   if (topMostThreadInfo.type === threadTypes.GENESIS) {
     memberInfos.forEach(memberInfo =>
       roleMap.set(
         memberInfo.id,
         memberInfo.role ? threadInfo.roles[memberInfo.role] : null,
       ),
     );
     return roleMap;
   }
 
   const { members: memberInfosFromTopMostThreadInfo, roles } =
     topMostThreadInfo;
   memberInfosFromTopMostThreadInfo.forEach(memberInfo => {
     roleMap.set(memberInfo.id, memberInfo.role ? roles[memberInfo.role] : null);
   });
   return roleMap;
 }
 
 function toggleUserSurfacedPermission(
   rolePermissions: ThreadRolePermissionsBlob,
   userSurfacedPermission: UserSurfacedPermission,
 ): ThreadRolePermissionsBlob {
   const userSurfacedPermissionSet = Array.from(
     configurableCommunityPermissions[userSurfacedPermission],
   );
   const currentRolePermissions = { ...rolePermissions };
 
   const roleHasPermission = userSurfacedPermissionSet.every(
     permission => currentRolePermissions[permission],
   );
 
   if (roleHasPermission) {
     for (const permission of userSurfacedPermissionSet) {
       delete currentRolePermissions[permission];
     }
   } else {
     for (const permission of userSurfacedPermissionSet) {
       currentRolePermissions[permission] = true;
     }
   }
 
   return currentRolePermissions;
 }
 
 export {
   constructRoleDeletionMessagePrompt,
   useRoleDeletableAndEditableStatus,
   useRolesFromCommunityThreadInfo,
   toggleUserSurfacedPermission,
 };