diff --git a/simplexmq.cabal b/simplexmq.cabal
index 47916d03a..d69392352 100644
--- a/simplexmq.cabal
+++ b/simplexmq.cabal
@@ -108,7 +108,6 @@ library
       Simplex.Messaging.Agent.Store.Migrations.App
       Simplex.Messaging.Agent.Store.Postgres.Options
       Simplex.Messaging.Agent.Store.Shared
-      Simplex.Messaging.Agent.TRcvQueues
       Simplex.Messaging.Agent.TSessionSubs
       Simplex.Messaging.Client
       Simplex.Messaging.Client.Agent
@@ -475,7 +474,7 @@ test-suite simplexmq-test
       CoreTests.RetryIntervalTests
       CoreTests.SOCKSSettings
       CoreTests.StoreLogTests
-      CoreTests.TRcvQueuesTests
+      -- CoreTests.TSessionSubs
       CoreTests.UtilTests
       CoreTests.VersionRangeTests
       FileDescriptionTests
diff --git a/src/Simplex/Messaging/Agent/TRcvQueues.hs b/src/Simplex/Messaging/Agent/TRcvQueues.hs
deleted file mode 100644
index c51145210..000000000
--- a/src/Simplex/Messaging/Agent/TRcvQueues.hs
+++ /dev/null
@@ -1,105 +0,0 @@
-{-# LANGUAGE BangPatterns #-}
-{-# LANGUAGE FlexibleInstances #-}
-{-# LANGUAGE LambdaCase #-}
-
-module Simplex.Messaging.Agent.TRcvQueues
-  ( TRcvQueues (getRcvQueues),
-    empty,
-    clear,
-    hasQueue,
-    addQueue,
-    addSessQueue,
-    batchAddQueues,
-    deleteQueue,
-    batchDeleteQueues,
-    hasSessQueues,
-    getSessQueues,
-    getSessConns,
-    getDelSessQueues,
-    qKey,
-  )
-where
-
-import Control.Concurrent.STM
-import Data.Foldable (foldl')
-import qualified Data.Map.Strict as M
-import qualified Data.Set as S
-import Simplex.Messaging.Agent.Protocol (ConnId, SMPQueue (..), UserId)
-import Simplex.Messaging.Agent.Store (RcvQueueSub (..), SMPQueueRec (..), SomeRcvQueue)
-import Simplex.Messaging.Protocol (QueueId, RecipientId, SMPServer)
-import Simplex.Messaging.TMap (TMap)
-import qualified Simplex.Messaging.TMap as TM
-import Simplex.Messaging.Transport
-
--- the fields in this record have the same data with swapped keys for lookup efficiency,
--- and all methods must maintain this invariant.
-data TRcvQueues q = TRcvQueues
-  { getRcvQueues :: TMap (UserId, SMPServer, RecipientId) q
-  }
-
-empty :: IO (TRcvQueues q)
-empty = TRcvQueues <$> TM.emptyIO
-
-clear :: TRcvQueues q -> STM ()
-clear (TRcvQueues qs) = TM.clear qs
-
-hasQueue :: SomeRcvQueue q => q -> TRcvQueues q' -> STM Bool
-hasQueue rq (TRcvQueues qs) = TM.member (qKey rq) qs
-
-addQueue :: RcvQueueSub -> TRcvQueues RcvQueueSub -> STM ()
-addQueue rq = addQueue_ rq rq
-{-# INLINE addQueue #-}
-
-addSessQueue :: (SessionId, RcvQueueSub) -> TRcvQueues (SessionId, RcvQueueSub) -> STM ()
-addSessQueue q@(_, rq) = addQueue_ rq q
-{-# INLINE addSessQueue #-}
-
-addQueue_ :: RcvQueueSub -> q -> TRcvQueues q -> STM ()
-addQueue_ rq q (TRcvQueues qs) = TM.insert (qKey rq) q qs
-{-# INLINE addQueue_ #-}
-
--- Save time by aggregating modifyTVar'
-batchAddQueues :: [RcvQueueSub] -> TRcvQueues RcvQueueSub -> STM ()
-batchAddQueues rqs (TRcvQueues qs) =
-  modifyTVar' qs $ \m -> foldl' (\rqs' rq -> M.insert (qKey rq) rq rqs') m rqs
-
-deleteQueue :: SomeRcvQueue q => q -> TRcvQueues q' -> STM ()
-deleteQueue rq (TRcvQueues qs) = TM.delete (qKey rq) qs
-{-# INLINE deleteQueue #-}
-
-batchDeleteQueues :: SomeRcvQueue q => [q] -> TRcvQueues q' -> STM ()
-batchDeleteQueues rqs (TRcvQueues qs) =
-  modifyTVar' qs $ \m ->  foldl' (\rqs' rq -> M.delete (qKey rq) rqs') m rqs
-
-hasSessQueues :: (UserId, SMPServer, Maybe ConnId) -> TRcvQueues RcvQueueSub -> STM Bool
-hasSessQueues tSess (TRcvQueues qs) = any (`isSession` tSess) <$> readTVar qs
-
-getSessQueues :: (UserId, SMPServer, Maybe ConnId) -> TRcvQueues RcvQueueSub -> IO [RcvQueueSub]
-getSessQueues tSess (TRcvQueues qs) = M.foldl' addQ [] <$> readTVarIO qs
-  where
-    addQ qs' rq = if rq `isSession` tSess then rq : qs' else qs'
-
-getSessConns :: (UserId, SMPServer, Maybe ConnId) -> TRcvQueues (SessionId, RcvQueueSub) -> IO (S.Set ConnId)
-getSessConns tSess (TRcvQueues qs) = M.foldl' addConn S.empty <$> readTVarIO qs
-  where
-    addConn cIds (_, rq) = if rq `isSession` tSess then S.insert (connId rq) cIds else cIds
-
-getDelSessQueues :: (UserId, SMPServer, Maybe ConnId) -> SessionId -> TRcvQueues (SessionId, RcvQueueSub) -> STM ([RcvQueueSub], [ConnId])
-getDelSessQueues tSess sessId' (TRcvQueues qs) = do
-  (removedQs, removedConns, qs'') <- (\qs' -> M.foldl' delQ ([], S.empty, qs') qs') <$> readTVar qs
-  writeTVar qs $! qs''
-  let removedConns' = S.toList $ removedConns `S.difference` queueConns qs''
-  pure (removedQs, removedConns')
-  where
-    delQ acc@(removed, cIds, qs') (sessId, rq)
-      | rq `isSession` tSess && sessId == sessId' = (rq : removed, S.insert (connId rq) cIds, M.delete (qKey rq) qs')
-      | otherwise = acc
-    queueConns = M.foldl' (\cIds (_, rq) -> S.insert (connId rq) cIds) S.empty
-
-isSession :: RcvQueueSub -> (UserId, SMPServer, Maybe ConnId) -> Bool
-isSession rq (uId, srv, connId_) =
-  userId rq == uId && server rq == srv && maybe True (connId rq ==) connId_
-
-qKey :: SomeRcvQueue q => q -> (UserId, SMPServer, QueueId)
-qKey rq = (qUserId rq, qServer rq, queueId rq)
-{-# INLINE qKey #-}
diff --git a/tests/CoreTests/TRcvQueuesTests.hs b/tests/CoreTests/TSessionSubs.hs
similarity index 98%
rename from tests/CoreTests/TRcvQueuesTests.hs
rename to tests/CoreTests/TSessionSubs.hs
index bc350e788..bbdde6c14 100644
--- a/tests/CoreTests/TRcvQueuesTests.hs
+++ b/tests/CoreTests/TSessionSubs.hs
@@ -5,7 +5,7 @@
 {-# LANGUAGE TypeApplications #-}
 {-# OPTIONS_GHC -Wno-orphans #-}
 
-module CoreTests.TRcvQueuesTests where
+module CoreTests.TSessionSubs where
 
 import AgentTests.EqInstances ()
 import qualified Data.ByteString.Char8 as B
@@ -14,7 +14,7 @@ import qualified Data.Set as S
 import Data.String (IsString (..))
 import Simplex.Messaging.Agent.Protocol (ConnId, QueueStatus (..), UserId)
 import Simplex.Messaging.Agent.Store (RcvQueueSub (..))
-import qualified Simplex.Messaging.Agent.TRcvQueues as RQ
+import qualified Simplex.Messaging.Agent.TSessionSubs as SS
 import qualified Simplex.Messaging.Crypto as C
 import Simplex.Messaging.Protocol (EntityId (..), RecipientId, SMPServer)
 import Simplex.Messaging.Transport (SessionId)
@@ -22,8 +22,8 @@ import Test.Hspec hiding (fit, it)
 import UnliftIO
 import Util
 
-tRcvQueuesTests :: Spec
-tRcvQueuesTests = do
+tSessionSubsTests :: Spec
+tSessionSubsTests = do
   describe "connection API" $ do
     it "hasConn" hasConnTest
     it "hasConn, batch add" hasConnTestBatch
diff --git a/tests/Test.hs b/tests/Test.hs
index 7296c1ff3..4fb4d5702 100644
--- a/tests/Test.hs
+++ b/tests/Test.hs
@@ -15,7 +15,7 @@ import CoreTests.MsgStoreTests
 import CoreTests.RetryIntervalTests
 import CoreTests.SOCKSSettings
 import CoreTests.StoreLogTests
-import CoreTests.TRcvQueuesTests
+-- import CoreTests.TSessionSubs
 import CoreTests.UtilTests
 import CoreTests.VersionRangeTests
 import FileDescriptionTests (fileDescriptionTests)
@@ -90,7 +90,7 @@ main = do
 #else
           describe "Store log tests" storeLogTests
 #endif
-          describe "TRcvQueues tests" tRcvQueuesTests
+          -- describe "TSessionSubs tests" tSessionSubsTests
           describe "Util tests" utilTests
           describe "Agent core tests" agentCoreTests
 #if defined(dbServerPostgres)