diff --git a/config/models b/config/models
index e08105c..ec91bb3 100644
--- a/config/models
+++ b/config/models
@@ -353,13 +353,9 @@ Ticket
     status      TicketStatus
     closed      UTCTime
     closer      PersonId      Maybe
-    discuss     DiscussionId
-    followers   FollowerSetId
     accept      OutboxItemId
 
     -- UniqueTicket project number
-    UniqueTicketDiscussion discuss
-    UniqueTicketFollowers followers
     UniqueTicketAccept accept
 
 LocalTicket
diff --git a/src/Vervis/API.hs b/src/Vervis/API.hs
index 23ed92d..7e34530 100644
--- a/src/Vervis/API.hs
+++ b/src/Vervis/API.hs
@@ -169,9 +169,14 @@ createNoteC host (Note mluNote luAttrib aud muParent muContext mpublished source
                     tid <- decodeKeyHashidM tkhid
                     t <- MaybeT $ get tid
                     guard $ ticketProject t == jid
-                    return (sid, projectInbox j, projectFollowers j, t)
-                (sid, ibidProject, fsidProject, t) <- fromMaybeE mt "Context: No such local ticket"
-                let did = ticketDiscuss t
+                    lt <- lift $ do
+                        mlt <- getValBy $ UniqueLocalTicket tid
+                        case mlt of
+                            Nothing -> error "No LocalTicket"
+                            Just lt -> return lt
+                    return (sid, projectInbox j, projectFollowers j, t, lt)
+                (sid, ibidProject, fsidProject, _t, lt) <- fromMaybeE mt "Context: No such local ticket"
+                let did = localTicketDiscuss lt
                 mmidParent <- for mparent $ \ parent ->
                     case parent of
                         Left (shrParent, lmidParent) -> getLocalParentMessageId did shrParent lmidParent
@@ -186,7 +191,7 @@ createNoteC host (Note mluNote luAttrib aud muParent muContext mpublished source
                                 throwE "Remote parent belongs to a different discussion"
                             return mid
                 -- lift $ insertUnique_ $ Follow pid (ticketFollowers t) False True
-                return (did, Left <$> mmidParent, Just (sid, ticketFollowers t, ibidProject, fsidProject))
+                return (did, Left <$> mmidParent, Just (sid, localTicketFollowers lt, ibidProject, fsidProject))
             Nothing -> do
                 (rd, rdnew) <- lift $ do
                     let ObjURI hContext luContext = uContext
@@ -546,9 +551,14 @@ followC shrUser summary audience follow@(AP.Follow uObject muContext hide) = run
             tid <- decodeKeyHashidM tkhid
             ticket <- MaybeT $ get tid
             guard $ ticketProject ticket == jid
-            return (ticket, project)
-        (ticket, project) <- fromMaybeE mproject "Follow object: No such ticket in DB"
-        return (ticketFollowers ticket, projectInbox project, False, projectOutbox project)
+            lticket <- lift $ do
+                mlt <- getValBy $ UniqueLocalTicket tid
+                case mlt of
+                    Nothing -> error "No LocalTicket"
+                    Just lt -> return lt
+            return (lticket, project)
+        (lticket, project) <- fromMaybeE mproject "Follow object: No such ticket in DB"
+        return (localTicketFollowers lticket, projectInbox project, False, projectOutbox project)
     getFollowee (FolloweeRepo shr rp) = do
         mrepo <- lift $ runMaybeT $ do
             sid <- MaybeT $ getKeyBy $ UniqueSharer shr
@@ -858,8 +868,6 @@ offerTicketC shrUser summary audience offer@(Offer ticket uTarget) = runExceptT
                     , ticketStatus      = TSNew
                     , ticketClosed      = UTCTime (ModifiedJulianDay 0) 0
                     , ticketCloser      = Nothing
-                    , ticketDiscuss     = did
-                    , ticketFollowers   = fsid
                     , ticketAccept      = obiidAccept
                     }
                 insert_ LocalTicket
diff --git a/src/Vervis/Client.hs b/src/Vervis/Client.hs
index 0022cdb..b087d74 100644
--- a/src/Vervis/Client.hs
+++ b/src/Vervis/Client.hs
@@ -352,7 +352,10 @@ undoFollowTicket shrAuthor pidAuthor shrFollowee prjFollowee numFollowee =
         t <- fromMaybeE mt "Unfollow target no such local ticket"
         unless (ticketProject t == jid) $
             throwE "Hashid doesn't match sharer/project"
-        return $ ticketFollowers t
+        lt <- do
+            mlt <- lift $ getValBy $ UniqueLocalTicket tid
+            fromMaybeE mlt "Unexpected, ticket doesn't have a LocalTicket!"
+        return $ localTicketFollowers lt
 
 undoFollowRepo
     :: (MonadUnliftIO m, MonadHandler m, HandlerSite m ~ App, MonadSite m, SiteEnv m ~ App)
diff --git a/src/Vervis/Federation/Discussion.hs b/src/Vervis/Federation/Discussion.hs
index c3358af..0b73fd2 100644
--- a/src/Vervis/Federation/Discussion.hs
+++ b/src/Vervis/Federation/Discussion.hs
@@ -110,7 +110,12 @@ sharerCreateNoteF now shrRecip author body (Note mluNote _ _ muParent muContext
                     tid <- decodeKeyHashidM tkhid
                     t <- MaybeT $ get tid
                     guard $ ticketProject t == jid
-                    return $ ticketDiscuss t
+                    lt <- lift $ do
+                        mlt <- getValBy $ UniqueLocalTicket tid
+                        case mlt of
+                            Nothing -> error "No LocalTicket"
+                            Just lt -> return lt
+                    return $ localTicketDiscuss lt
                 did <- fromMaybeE mdid "Context: No such local ticket"
                 for_ mparent $ \ parent ->
                     case parent of
@@ -242,9 +247,11 @@ projectCreateNoteF now shrRecip prjRecip author body (Note mluNote _ _ muParent
             for mt $ \ t -> do
                 unless (ticketProject t == jid) $
                     throwE "Context: Local ticket khid belongs to different project"
-                return (jid, projectInbox j, projectFollowers j, sid ,t)
-        (jid, ibid, fsidProject, sid, t) <- fromMaybeE mt "Context: No such local ticket"
-        let did = ticketDiscuss t
+                mlt <- lift $ getValBy $ UniqueLocalTicket tid
+                lt <- fromMaybeE mlt "No LocalTicket"
+                return (jid, projectInbox j, projectFollowers j, sid ,t, lt)
+        (jid, ibid, fsidProject, sid, _t, lt) <- fromMaybeE mt "Context: No such local ticket"
+        let did = localTicketDiscuss lt
         meparent <- for mparent $ \ parent ->
             case parent of
                 Left (shrParent, lmidParent) -> Left <$> getLocalParentMessageId did shrParent lmidParent
@@ -260,7 +267,7 @@ projectCreateNoteF now shrRecip prjRecip author body (Note mluNote _ _ muParent
                                 throwE "Remote parent belongs to a different discussion"
                             return mid
                         Nothing -> return $ Right p
-        return (sid, fsidProject, ticketFollowers t, jid, ibid, did, meparent)
+        return (sid, fsidProject, localTicketFollowers lt, jid, ibid, did, meparent)
     insertToDiscussion luCreate luNote published ibid did meparent fsid = do
         let iidAuthor = remoteAuthorInstance author
             raidAuthor = remoteAuthorId author
diff --git a/src/Vervis/Federation/Offer.hs b/src/Vervis/Federation/Offer.hs
index 6a33733..75376bb 100644
--- a/src/Vervis/Federation/Offer.hs
+++ b/src/Vervis/Federation/Offer.hs
@@ -390,11 +390,14 @@ projectFollowF shr prj =
             tid <- decodeKeyHashid404 tkhid
             t <- get404 tid
             unless (ticketProject t == jid) notFound
-            return t
+            mlt <- getValBy $ UniqueLocalTicket tid
+            case mlt of
+                Nothing -> error "No LocalTicket"
+                Just lt -> return lt
         return (j, mt)
 
-    followers (j, Nothing) = projectFollowers j
-    followers (_, Just t)  = ticketFollowers t
+    followers (j, Nothing)  = projectFollowers j
+    followers (_, Just lt)  = localTicketFollowers lt
 
 repoFollowF
     :: ShrIdent
@@ -528,11 +531,12 @@ projectUndoF shr prj =
         sid <- getKeyBy404 $ UniqueSharer shr
         getBy404 $ UniqueProject prj sid
     tryTicket jid fsid = do
-        mt <- getValBy $ UniqueTicketFollowers fsid
-        return $
-            case mt of
-                Nothing -> Just "Undo object is a RemoteFollow, but isn't under this project"
-                Just t ->
+        mlt <- getValBy $ UniqueLocalTicketFollowers fsid
+        case mlt of
+            Nothing -> return $ Just "Undo object is a RemoteFollow, but isn't under this project"
+            Just lt -> do
+                t <- getJust $ localTicketTicket lt
+                return $
                     if ticketProject t /= jid
                         then Just "Undo object is a RemoteFollow of a ticket of another project"
                         else Nothing
diff --git a/src/Vervis/Federation/Ticket.hs b/src/Vervis/Federation/Ticket.hs
index 09bc064..d084d21 100644
--- a/src/Vervis/Federation/Ticket.hs
+++ b/src/Vervis/Federation/Ticket.hs
@@ -273,8 +273,6 @@ projectOfferTicketF
                     , ticketStatus      = TSNew
                     , ticketClosed      = UTCTime (ModifiedJulianDay 0) 0
                     , ticketCloser      = Nothing
-                    , ticketDiscuss     = did
-                    , ticketFollowers   = fsid
                     , ticketAccept      = obiidAccept
                     }
                 insert_ LocalTicket
diff --git a/src/Vervis/Form/Ticket.hs b/src/Vervis/Form/Ticket.hs
index 47056ba..7d56e84 100644
--- a/src/Vervis/Form/Ticket.hs
+++ b/src/Vervis/Form/Ticket.hs
@@ -157,8 +157,6 @@ editTicketContentAForm ticket = Ticket
     <*> pure (ticketStatus ticket)
     <*> pure (ticketClosed ticket)
     <*> pure (ticketCloser ticket)
-    <*> pure (ticketDiscuss ticket)
-    <*> pure (ticketFollowers ticket)
     <*> pure (ticketAccept ticket)
 
 tEditField
diff --git a/src/Vervis/Handler/Discussion.hs b/src/Vervis/Handler/Discussion.hs
index 818cf74..fd9add3 100644
--- a/src/Vervis/Handler/Discussion.hs
+++ b/src/Vervis/Handler/Discussion.hs
@@ -128,12 +128,14 @@ getDiscussionMessage shr lmid = do
         route2fed <- getEncodeRouteHome
         uContext <- do
             let did = messageRoot m
-            mt <- getBy $ UniqueTicketDiscussion did
+            mlt <- getValBy $ UniqueLocalTicketDiscussion did
             mrd <- getValBy $ UniqueRemoteDiscussion did
-            case (mt, mrd) of
+            case (mlt, mrd) of
                 (Nothing, Nothing) -> fail $ "DiscussionId #" ++ show did ++ " has no context"
                 (Just _, Just _) -> fail $ "DiscussionId #" ++ show did ++ " has both ticket and remote contexts"
-                (Just (Entity tid t), Nothing) -> do
+                (Just lt, Nothing) -> do
+                    let tid = localTicketTicket lt
+                    t <- getJust tid
                     j <- getJust $ ticketProject t
                     s <- getJust $ projectSharer j
                     let shr = sharerIdent s
diff --git a/src/Vervis/Handler/Sharer.hs b/src/Vervis/Handler/Sharer.hs
index b14f9b9..0d1fddb 100644
--- a/src/Vervis/Handler/Sharer.hs
+++ b/src/Vervis/Handler/Sharer.hs
@@ -145,7 +145,8 @@ getSharerFollowingR shr = do
             return (s E.^. SharerIdent, j E.^. ProjectIdent)
         return $ map (\ (E.Value shr, E.Value prj) -> ProjectR shr prj) pairs
     getTickets fsids = do
-        tids <- selectKeysList [TicketFollowers <-. fsids] []
+        lts <- selectList [LocalTicketFollowers <-. fsids] []
+        let tids = map (localTicketTicket . entityVal) lts
         triples <- E.select $ E.from $ \ (t `E.InnerJoin` j `E.InnerJoin` s) -> do
             E.on $ j E.^. ProjectSharer E.==. s E.^. SharerId
             E.on $ t E.^. TicketProject E.==. j E.^. ProjectId
diff --git a/src/Vervis/Handler/Ticket.hs b/src/Vervis/Handler/Ticket.hs
index 96c3045..c9a6415 100644
--- a/src/Vervis/Handler/Ticket.hs
+++ b/src/Vervis/Handler/Ticket.hs
@@ -232,7 +232,7 @@ getTicketR :: ShrIdent -> PrjIdent -> TicketKeyHashid -> Handler TypedContent
 getTicketR shar proj khid = do
     mpid <- maybeAuthId
     ( wshr, wfl,
-      author, massignee, mcloser, ticket, tparams, eparams, cparams,
+      author, massignee, mcloser, ticket, lticket, tparams, eparams, cparams,
       deps, rdeps) <-
         runDB $ do
             (jid, wshr, wid, wfl) <- do
@@ -252,6 +252,11 @@ getTicketR shar proj khid = do
             tid <- decodeKeyHashid404 khid
             ticket <- get404 tid
             unless (ticketProject ticket == jid) notFound
+            lticket <- do
+                mlt <- getValBy $ UniqueLocalTicket tid
+                case mlt of
+                    Nothing -> error "No LocalTicket"
+                    Just lt -> return lt
             author <-
                 requireEitherAlt
                     (do mtal <- getValBy $ UniqueTicketAuthorLocal tid
@@ -297,7 +302,8 @@ getTicketR shar proj khid = do
                 return t
             return
                 ( wshr, wfl
-                , author, massignee, mcloser, ticket, tparams, eparams, cparams
+                , author, massignee, mcloser, ticket, lticket
+                , tparams, eparams, cparams
                 , deps, rdeps
                 )
     encodeHid <- getEncodeKeyHashid
@@ -305,7 +311,7 @@ getTicketR shar proj khid = do
         desc = toWidget $ preEscapedToMarkup $ ticketDescription ticket
         discuss =
             discussionW
-                (return $ ticketDiscuss ticket)
+                (return $ localTicketDiscuss lticket)
                 (TicketTopReplyR shar proj khid)
                 (TicketReplyR shar proj khid . encodeHid)
     cRelevant <- newIdent
@@ -367,7 +373,7 @@ getTicketR shar proj khid = do
                 followW
                     (TicketFollowR shar proj khid)
                     (TicketUnfollowR shar proj khid)
-                    (return $ ticketFollowers ticket)
+                    (return $ localTicketFollowers lticket)
         in  $(widgetFile "ticket/one")
 
 putTicketR :: ShrIdent -> PrjIdent -> TicketKeyHashid -> Handler Html
@@ -792,7 +798,12 @@ selectDiscussionId shar proj tkhid = do
     tid <- decodeKeyHashid404 tkhid
     ticket <- get404 tid
     unless (ticketProject ticket == pid) notFound
-    return $ ticketDiscuss ticket
+    lticket <- do
+        mlt <- getValBy $ UniqueLocalTicket tid
+        case mlt of
+            Nothing -> error "No LocalTicket"
+            Just lt -> return lt
+    return $ localTicketDiscuss lticket
 
 getTicketDiscussionR
     :: ShrIdent -> PrjIdent -> KeyHashid Ticket -> Handler Html
@@ -1073,7 +1084,12 @@ getTicketParticipantsR shr prj tkhid = getFollowersCollection here getFsid
         tid <- decodeKeyHashid404 tkhid
         t <- get404 tid
         unless (ticketProject t == jid) notFound
-        return $ ticketFollowers t
+        lt <- do
+            mlt <- getValBy $ UniqueLocalTicket tid
+            case mlt of
+                Nothing -> error "No LocalTicket"
+                Just lt -> return lt
+        return $ localTicketFollowers lt
 
 getTicketTeamR
     :: ShrIdent -> PrjIdent -> KeyHashid Ticket -> Handler TypedContent
diff --git a/src/Vervis/Migration.hs b/src/Vervis/Migration.hs
index e3c1ea5..fa138fb 100644
--- a/src/Vervis/Migration.hs
+++ b/src/Vervis/Migration.hs
@@ -1244,6 +1244,14 @@ changes hLocal ctx =
                 , localTicket189Followers = ticket189Followers t
                 }
         insertMany_ $ map makeLT ts
+      -- 190
+    , removeUnique "Ticket" "UniqueTicketDiscussion"
+      -- 191
+    , removeUnique "Ticket" "UniqueTicketFollowers"
+      -- 192
+    , removeField "Ticket" "discuss"
+      -- 193
+    , removeField "Ticket" "followers"
     ]
 
 migrateDB
diff --git a/src/Vervis/Ticket.hs b/src/Vervis/Ticket.hs
index de4ff52..d7d0557 100644
--- a/src/Vervis/Ticket.hs
+++ b/src/Vervis/Ticket.hs
@@ -53,13 +53,14 @@ getTicketSummaries
 getTicketSummaries mfilt morder offlim jid = do
     tickets <- select $ from $
         \ ( t
+            `InnerJoin` lt
             `LeftOuterJoin` (tal `InnerJoin` p `InnerJoin` s)
             `LeftOuterJoin` (tar `InnerJoin` ra `InnerJoin` ro `InnerJoin` i)
             `InnerJoin` d
             `LeftOuterJoin` m
           ) -> do
             on $ just (d ^. DiscussionId) ==. m ?. MessageRoot
-            on $ t ^. TicketDiscuss ==. d ^. DiscussionId
+            on $ lt ^. LocalTicketDiscuss ==. d ^. DiscussionId
             on $ ro ?. RemoteObjectInstance ==. i ?. InstanceId
             on $ ra ?. RemoteActorIdent ==. ro ?. RemoteObjectId
             on $ tar ?. TicketAuthorRemoteAuthor ==. ra ?. RemoteActorId
@@ -67,6 +68,7 @@ getTicketSummaries mfilt morder offlim jid = do
             on $ p ?. PersonIdent ==. s ?. SharerId
             on $ tal ?. TicketAuthorLocalAuthor ==. p ?. PersonId
             on $ just (t ^. TicketId) ==. tal ?. TicketAuthorLocalTicket
+            on $ t ^. TicketId ==. lt ^. LocalTicketTicket
             where_ $ t ^. TicketProject ==. val jid
             groupBy
                 ( t ^. TicketId, s ?. SharerId