diff --git a/lib/Internal/Config.hs b/lib/Internal/Config.hs
index 30a07c7..db10590 100644
--- a/lib/Internal/Config.hs
+++ b/lib/Internal/Config.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE NoImplicitPrelude #-}
+
 module Internal.Config
   ( readConfig
   -- , readYaml
diff --git a/lib/Internal/Database/Model.hs b/lib/Internal/Database/Model.hs
index da7f564..873cbf7 100644
--- a/lib/Internal/Database/Model.hs
+++ b/lib/Internal/Database/Model.hs
@@ -14,6 +14,7 @@
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE NoImplicitPrelude #-}
 
 module Internal.Database.Model where
 
diff --git a/lib/Internal/Database/Ops.hs b/lib/Internal/Database/Ops.hs
index 889e679..2c1c3d5 100644
--- a/lib/Internal/Database/Ops.hs
+++ b/lib/Internal/Database/Ops.hs
@@ -4,11 +4,12 @@
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE TypeApplications #-}
 {-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE NoImplicitPrelude #-}
 
 module Internal.Database.Ops
   ( migrate_
   , nukeTables
-  , showBalances
+  -- , showBalances
   , updateHashes
   , getDBState
   , tree2Records
@@ -24,6 +25,7 @@ import Database.Esqueleto.Experimental
 import Database.Persist.Sql hiding (delete, (==.), (||.))
 import Database.Persist.Sqlite hiding (delete, (==.), (||.))
 import Database.Sqlite hiding (Config)
+import GHC.Err
 import Internal.Database.Model
 import Internal.Types
 import Internal.Utils
@@ -64,38 +66,38 @@ nukeTables = do
   deleteWhere ([] :: [Filter AccountR])
   deleteWhere ([] :: [Filter TransactionR])
 
-showBalances :: MonadUnliftIO m => SqlPersistT m ()
-showBalances = do
-  xs <- select $ do
-    (accounts :& splits :& txs) <-
-      from
-        $ table @AccountR
-          `innerJoin` table @SplitR
-        `on` (\(a :& s) -> a ^. AccountRId ==. s ^. SplitRAccount)
-          `innerJoin` table @TransactionR
-        `on` (\(_ :& s :& t) -> s ^. SplitRTransaction ==. t ^. TransactionRId)
-    where_ $
-      isNothing (txs ^. TransactionRBucket)
-        &&. ( (accounts ^. AccountRFullpath `like` val "asset" ++. (%))
-                ||. (accounts ^. AccountRFullpath `like` val "liability" ++. (%))
-            )
-    groupBy (accounts ^. AccountRFullpath, accounts ^. AccountRName)
-    return
-      ( accounts ^. AccountRFullpath
-      , accounts ^. AccountRName
-      , sum_ $ splits ^. SplitRValue
-      )
-  -- TODO super stetchy table printing thingy
-  liftIO $ do
-    putStrLn $ T.unpack $ fmt "Account" "Balance"
-    putStrLn $ T.unpack $ fmt (T.replicate 60 "-") (T.replicate 15 "-")
-    mapM_ (putStrLn . T.unpack . fmtBalance) xs
-  where
-    fmtBalance (path, name, bal) = fmt (toFullPath path name) (toBal bal)
-    fmt a b = T.unwords ["| ", pad 60 a, " | ", pad 15 b, " |"]
-    pad n xs = T.append xs $ T.replicate (n - T.length xs) " "
-    toFullPath path name = T.unwords [unValue @T.Text path, "/", unValue @T.Text name]
-    toBal = maybe "???" (fmtRational 2) . unValue
+-- showBalances :: MonadUnliftIO m => SqlPersistT m ()
+-- showBalances = do
+--   xs <- select $ do
+--     (accounts :& splits :& txs) <-
+--       from
+--         $ table @AccountR
+--           `innerJoin` table @SplitR
+--         `on` (\(a :& s) -> a ^. AccountRId ==. s ^. SplitRAccount)
+--           `innerJoin` table @TransactionR
+--         `on` (\(_ :& s :& t) -> s ^. SplitRTransaction ==. t ^. TransactionRId)
+--     where_ $
+--       isNothing (txs ^. TransactionRBucket)
+--         &&. ( (accounts ^. AccountRFullpath `like` val "asset" ++. (%))
+--                 ||. (accounts ^. AccountRFullpath `like` val "liability" ++. (%))
+--             )
+--     groupBy (accounts ^. AccountRFullpath, accounts ^. AccountRName)
+--     return
+--       ( accounts ^. AccountRFullpath
+--       , accounts ^. AccountRName
+--       , sum_ $ splits ^. SplitRValue
+--       )
+--   -- TODO super stetchy table printing thingy
+--   liftIO $ do
+--     putStrLn $ T.unpack $ fmt "Account" "Balance"
+--     putStrLn $ T.unpack $ fmt (T.replicate 60 "-") (T.replicate 15 "-")
+--     mapM_ (putStrLn . T.unpack . fmtBalance) xs
+--   where
+--     fmtBalance (path, name, bal) = fmt (toFullPath path name) (toBal bal)
+--     fmt a b = T.unwords ["| ", pad 60 a, " | ", pad 15 b, " |"]
+--     pad n xs = T.append xs $ T.replicate (n - T.length xs) " "
+--     toFullPath path name = T.unwords [unValue @T.Text path, "/", unValue @T.Text name]
+--     toBal = maybe "???" (fmtRational 2) . unValue
 
 hashConfig :: Config -> [Int]
 hashConfig
@@ -220,7 +222,7 @@ tree2Records t = go []
     go ps (Placeholder d n cs) =
       let e = tree2Entity t (fmap snd ps) n d
           k = entityKey e
-          (as, aps, ms) = unzip3 $ fmap (go ((k, n) : ps)) cs
+          (as, aps, ms) = L.unzip3 $ fmap (go ((k, n) : ps)) cs
           a0 = acnt k n (fmap snd ps) d
           paths = expand k $ fmap fst ps
        in (a0 : concat as, paths ++ concat aps, concat ms)
@@ -240,7 +242,7 @@ paths2IDs :: [(AcntPath, a)] -> [(AcntID, a)]
 paths2IDs =
   uncurry zip
     . first trimNames
-    . unzip
+    . L.unzip
     . L.sortOn fst
     . fmap (first pathList)
   where
@@ -301,7 +303,7 @@ indexAcntRoot r =
   , M.fromList $ paths2IDs $ concat ms
   )
   where
-    (ars, aprs, ms) = unzip3 $ uncurry tree2Records <$> flattenAcntRoot r
+    (ars, aprs, ms) = L.unzip3 $ uncurry tree2Records <$> flattenAcntRoot r
 
 getDBState
   :: MonadUnliftIO m