diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index d0bdb187ed788..48f29e85c291e 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -6025,8 +6025,6 @@ void MDCache::finish_snaprealm_reconnect(client_t client, SnapRealm *realm, snap
 	     << realm->get_newest_seq() << " on " << *realm << dendl;
     auto snap = make_message<MClientSnap>(CEPH_SNAP_OP_UPDATE);
     snap->bl = realm->get_snap_trace();
-    for (const auto& child : realm->open_children)
-      snap->split_realms.push_back(child->inode->ino());
     updates.emplace(std::piecewise_construct, std::forward_as_tuple(client), std::forward_as_tuple(snap));
   } else {
     dout(10) << "finish_snaprealm_reconnect client." << client << " up to date"