diff --git a/lib/selectors/chat-selectors.js b/lib/selectors/chat-selectors.js
--- a/lib/selectors/chat-selectors.js
+++ b/lib/selectors/chat-selectors.js
@@ -26,6 +26,8 @@
   threadInChatList,
   threadIsPending,
   threadIsTopLevel,
+  threadIsSidebar,
+  threadIsInHome,
 } from '../shared/thread-utils.js';
 import { messageTypes } from '../types/message-types-enum.js';
 import {
@@ -55,6 +57,7 @@
 import { threeDays } from '../utils/date-utils.js';
 import type { EntityText } from '../utils/entity-text.js';
 import memoize2 from '../utils/memoize.js';
+import { entries } from '../utils/objects.js';
 import { useSelector } from '../utils/redux-utils.js';
 
 export type SidebarItem =
@@ -259,8 +262,25 @@
   sidebarInfos: { +[id: string]: $ReadOnlyArray<SidebarInfo> },
   filterFunction: (threadInfo: ?(ThreadInfo | RawThreadInfo)) => boolean,
 ): $ReadOnlyArray<ChatThreadItem> {
+  const threadHomeSubscriptions = Object.fromEntries(
+    entries(threadInfos).map(([id, threadInfo]) => [
+      id,
+      threadIsInHome(threadInfo),
+    ]),
+  );
   return _flow(
-    _filter(filterFunction),
+    _filter((threadInfo: ?(ThreadInfo | RawThreadInfo)) => {
+      const parentThreadID = threadInfo?.parentThreadID;
+      const isThreadInHome = threadIsInHome(threadInfo);
+
+      if (threadIsSidebar(threadInfo) && parentThreadID) {
+        const isParentInHome = threadHomeSubscriptions[parentThreadID];
+        if (isThreadInHome !== undefined && isParentInHome === isThreadInHome) {
+          return false;
+        }
+      }
+      return filterFunction(threadInfo);
+    }),
     _map((threadInfo: ThreadInfo): ChatThreadItem =>
       createChatThreadItem(
         threadInfo,
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
@@ -1427,7 +1427,7 @@
   if (!searchText) {
     return chatListData.filter(
       item =>
-        threadIsTopLevel(item.threadInfo) && threadFilter(item.threadInfo),
+        threadInChatList(item.threadInfo) && threadFilter(item.threadInfo),
     );
   }