diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -908,23 +908,16 @@
     : rawThreadInfo;
 }
 
-function threadUIName(
-  threadInfo: LegacyThreadInfo | ThreadInfo,
-): string | ThreadEntity {
+function threadUIName(threadInfo: ThreadInfo): string | ThreadEntity {
   if (threadInfo.name) {
     return firstLine(threadInfo.name);
   }
 
-  let threadMembers: $ReadOnlyArray<RelativeMemberInfo>;
-  let memberEntities: $ReadOnlyArray<UserEntity>;
-  // Branching below is to appease flow
-  if (threadInfo.minimallyEncoded) {
-    threadMembers = threadInfo.members.filter(memberInfo => memberInfo.role);
-    memberEntities = threadMembers.map(member => ET.user({ userInfo: member }));
-  } else {
-    threadMembers = threadInfo.members.filter(memberInfo => memberInfo.role);
-    memberEntities = threadMembers.map(member => ET.user({ userInfo: member }));
-  }
+  const threadMembers: $ReadOnlyArray<RelativeMemberInfo> =
+    threadInfo.members.filter(memberInfo => memberInfo.role);
+  const memberEntities: $ReadOnlyArray<UserEntity> = threadMembers.map(member =>
+    ET.user({ userInfo: member }),
+  );
 
   return {
     type: 'thread',
diff --git a/web/modals/threads/settings/thread-settings-modal.react.js b/web/modals/threads/settings/thread-settings-modal.react.js
--- a/web/modals/threads/settings/thread-settings-modal.react.js
+++ b/web/modals/threads/settings/thread-settings-modal.react.js
@@ -54,7 +54,7 @@
         deleteThreadLoadingStatusSelector(state) === 'loading' ||
         changeThreadSettingsLoadingStatusSelector(state) === 'loading',
     );
-    const threadInfo: ?LegacyThreadInfo | ?ThreadInfo = useSelector(
+    const threadInfo: ?ThreadInfo = useSelector(
       state => threadInfoSelector(state)[props.threadID],
     );
     const modalContext = useModalContext();
@@ -70,10 +70,7 @@
       if (threadInfo.name === null || threadInfo.name === undefined) {
         return threadInfo;
       }
-      // Branching on `minimallyEncoded` to appease `flow`.
-      const withNoName = threadInfo.minimallyEncoded
-        ? { ...threadInfo, name: undefined }
-        : { ...threadInfo, name: undefined };
+      const withNoName = { ...threadInfo, name: undefined };
       return {
         ...withNoName,
         uiName: threadUIName(withNoName),