diff --git a/haskoin-store.cabal b/haskoin-store.cabal
--- a/haskoin-store.cabal
+++ b/haskoin-store.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4abbf05c9d06beeed2fc882666c6c8fdd2b036724366447bd998471b965e8191
+-- hash: 043df4dcff9f6f17106efe3b4dba479d97f95d3bdf73257d09b201d42f0b7eb1
 
 name:           haskoin-store
-version:        0.34.2
+version:        0.34.3
 synopsis:       Storage and index for Bitcoin and Bitcoin Cash
 description:    Please see the README on GitHub at <https://github.com/haskoin/haskoin-store#readme>
 category:       Bitcoin, Finance, Network
@@ -53,7 +53,7 @@
     , hashable >=1.3.0.0
     , haskoin-core >=0.13.6
     , haskoin-node >=0.14.1
-    , haskoin-store-data ==0.34.2
+    , haskoin-store-data ==0.34.3
     , hedis >=0.12.13
     , http-types >=0.12.3
     , monad-logger >=0.3.32
@@ -96,7 +96,7 @@
     , haskoin-core >=0.13.6
     , haskoin-node >=0.14.1
     , haskoin-store
-    , haskoin-store-data ==0.34.2
+    , haskoin-store-data ==0.34.3
     , monad-logger >=0.3.32
     , mtl >=2.2.2
     , nqe >=0.6.1
@@ -135,8 +135,8 @@
     , hashable >=1.3.0.0
     , haskoin-core >=0.13.6
     , haskoin-node >=0.14.1
-    , haskoin-store ==0.34.2
-    , haskoin-store-data ==0.34.2
+    , haskoin-store ==0.34.3
+    , haskoin-store-data ==0.34.3
     , hedis >=0.12.13
     , hspec >=2.7.1
     , http-types >=0.12.3
diff --git a/src/Haskoin/Store/Logic.hs b/src/Haskoin/Store/Logic.hs
--- a/src/Haskoin/Store/Logic.hs
+++ b/src/Haskoin/Store/Logic.hs
@@ -35,9 +35,6 @@
                                                 isNothing, mapMaybe)
 import           Data.Ord                      (Down (Down))
 import           Data.Serialize                (encode)
-import           Data.String                   (IsString (..))
-import           Data.String.Conversions       (ConvertibleStrings, cs)
-import           Data.Text                     (Text)
 import           Data.Word                     (Word32, Word64)
 import           Haskoin                       (Address, Block (..), BlockHash,
                                                 BlockHeader (..),
@@ -57,8 +54,7 @@
                                                 TxRef (..), UnixTime,
                                                 Unspent (..), confirmed)
 import           Haskoin.Store.Database.Writer (MemoryTx, WriterT, runTx)
-import           UnliftIO                      (Exception, MonadIO, async,
-                                                liftIO, wait)
+import           UnliftIO                      (Exception, MonadIO, liftIO)
 
 type MonadImport m =
     ( MonadError ImportException m
@@ -137,9 +133,8 @@
         liftIO (runLoggingT (runReaderT go r) l)
   where
     go = do
-        prev_asyncs <- mapM (async . mapM_ loadPrevOut . prevOuts) txs
-        out_asyncs <- mapM (async . loadOutputBalances) txs
-        mapM_ wait $ prev_asyncs <> out_asyncs
+        mapM_ loadPrevOut (concatMap prevOuts txs)
+        mapM_ loadOutputBalances txs
         runTx . setMempool =<< getMempool
 
 bestBlockData :: MonadImport m => WriterT m BlockData
@@ -749,12 +744,3 @@
 
 testPresent :: StoreReadBase m => Tx -> m Bool
 testPresent tx = isJust <$> getActiveTxData (txHash tx)
-
-logOutput :: ( ConvertibleStrings Text a
-             , ConvertibleStrings String a
-             , Semigroup a
-             , IsString a
-             )
-          => OutPoint
-          -> a
-logOutput (OutPoint h i) = cs (txHashToHex h) <> ":" <> cs (show i)