diff --git a/selda/src/Database/Selda/Backend/Internal.hs b/selda/src/Database/Selda/Backend/Internal.hs
index b52fafa..04d4ea5 100644
--- a/selda/src/Database/Selda/Backend/Internal.hs
+++ b/selda/src/Database/Selda/Backend/Internal.hs
@@ -40,11 +40,12 @@ import Database.Selda.SQL.Print.Config
 import Database.Selda.Types (TableName, ColName)
 import Data.Int (Int64)
 import Control.Concurrent ( newMVar, putMVar, takeMVar, MVar )
+import Control.Monad ( when )
 import Control.Monad.Catch
     ( Exception, bracket, MonadCatch, MonadMask, MonadThrow(..) )
 import Control.Monad.IO.Class ( MonadIO(..) )
 import Control.Monad.Reader
-    ( MonadTrans(..), when, ReaderT(..), MonadReader(ask) )
+    ( MonadTrans(..), ReaderT(..), MonadReader(ask) )
 import Data.Dynamic ( Typeable, Dynamic )
 import qualified Data.IntMap as M
 import Data.IORef
diff --git a/selda/src/Database/Selda/Generic.hs b/selda/src/Database/Selda/Generic.hs
index 9c18423..d0038b8 100644
--- a/selda/src/Database/Selda/Generic.hs
+++ b/selda/src/Database/Selda/Generic.hs
@@ -8,8 +8,9 @@ module Database.Selda.Generic
   ( Relational, Generic
   , tblCols, params, def, gNew, gRow
   ) where
+import Control.Monad ( liftM2 )
 import Control.Monad.State
-    ( liftM2, MonadState(put, get), evalState, State )
+    ( MonadState(put, get), evalState, State )
 import Data.Dynamic ( Typeable )
 import Data.Text as Text (Text, pack)
 
diff --git a/selda/src/Database/Selda/SQL/Print.hs b/selda/src/Database/Selda/SQL/Print.hs
index cae9192..1263e41 100644
--- a/selda/src/Database/Selda/SQL/Print.hs
+++ b/selda/src/Database/Selda/SQL/Print.hs
@@ -16,8 +16,9 @@ import qualified Database.Selda.SQL.Print.Config as Cfg
 import Database.Selda.SqlType ( Lit(LJust, LNull), SqlTypeRep )
 import Database.Selda.Types
     ( TableName, ColName, fromColName, fromTableName )
+import Control.Monad ( liftM2 )
 import Control.Monad.State
-    ( liftM2, MonadState(get, put), runState, State )
+    ( MonadState(get, put), runState, State )
 import Data.List ( group, sort )
 import Data.Text (Text)
 import qualified Data.Text as Text
diff --git a/selda/src/Database/Selda/SqlRow.hs b/selda/src/Database/Selda/SqlRow.hs
index 4a52633..bd21d72 100644
--- a/selda/src/Database/Selda/SqlRow.hs
+++ b/selda/src/Database/Selda/SqlRow.hs
@@ -7,9 +7,9 @@ module Database.Selda.SqlRow
   , GSqlRow
   , runResultReader, next
   ) where
+import Control.Monad ( liftM2 )
 import Control.Monad.State.Strict
-    ( liftM2,
-      StateT(StateT),
+    ( StateT(StateT),
       MonadState(state, get),
       State,
       evalState )
diff --git a/selda/src/Database/Selda/Unsafe.hs b/selda/src/Database/Selda/Unsafe.hs
index 641674a..143249e 100644
--- a/selda/src/Database/Selda/Unsafe.hs
+++ b/selda/src/Database/Selda/Unsafe.hs
@@ -9,8 +9,9 @@ module Database.Selda.Unsafe
   , QueryFragment, inj, injLit, rawName, rawExp, rawStm, rawQuery, rawQuery1
   ) where
 import Control.Exception (throw)
+import Control.Monad ( void )
 import Control.Monad.State.Strict
-    ( MonadIO(liftIO), void, MonadState(put, get) )
+    ( MonadIO(liftIO), MonadState(put, get) )
 import Database.Selda.Backend.Internal
     ( SqlType(mkLit, sqlType),
       MonadSelda,