diff --git a/ouroboros-consensus-cardano/src/shelley/Ouroboros/Consensus/Shelley/Ledger/Mempool.hs b/ouroboros-consensus-cardano/src/shelley/Ouroboros/Consensus/Shelley/Ledger/Mempool.hs
index 49eaadb157..4ca63232ac 100644
--- a/ouroboros-consensus-cardano/src/shelley/Ouroboros/Consensus/Shelley/Ledger/Mempool.hs
+++ b/ouroboros-consensus-cardano/src/shelley/Ouroboros/Consensus/Shelley/Ledger/Mempool.hs
@@ -42,7 +42,7 @@ import qualified Cardano.Ledger.Allegra.Rules as AllegraEra
 import           Cardano.Ledger.Alonzo.Core (Tx, TxSeq, bodyTxL, eraProtVerLow,
                      fromTxSeq, ppMaxBBSizeL, ppMaxBlockExUnitsL, sizeTxF)
 import qualified Cardano.Ledger.Alonzo.Rules as AlonzoEra
-import           Cardano.Ledger.Alonzo.Scripts (ExUnits, ExUnits'(..),
+import           Cardano.Ledger.Alonzo.Scripts (ExUnits, ExUnits' (..),
                      pointWiseExUnits, unWrapExUnits)
 import           Cardano.Ledger.Alonzo.Tx (totExUnits)
 import qualified Cardano.Ledger.Api as L
diff --git a/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/Ledger/SupportsMempool.hs b/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/Ledger/SupportsMempool.hs
index a8b87b15d4..d63c668693 100644
--- a/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/Ledger/SupportsMempool.hs
+++ b/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/Ledger/SupportsMempool.hs
@@ -7,7 +7,6 @@
 module Ouroboros.Consensus.Ledger.SupportsMempool (
     ApplyTxErr
   , ByteSize (..)
-  , fromByteSize
   , ConvertRawTxId (..)
   , GenTx
   , GenTxId
@@ -15,11 +14,12 @@ module Ouroboros.Consensus.Ledger.SupportsMempool (
   , HasTxId (..)
   , HasTxs (..)
   , LedgerSupportsMempool (..)
-  , TxMeasureMetrics (..)
   , TxId
   , TxLimits (..)
+  , TxMeasureMetrics (..)
   , Validated
   , WhetherToIntervene (..)
+  , fromByteSize
   ) where
 
 import           Control.DeepSeq (NFData)
diff --git a/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/MiniProtocol/LocalTxMonitor/Server.hs b/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/MiniProtocol/LocalTxMonitor/Server.hs
index 381a1bf2c4..5081e2e153 100644
--- a/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/MiniProtocol/LocalTxMonitor/Server.hs
+++ b/ouroboros-consensus/src/ouroboros-consensus/Ouroboros/Consensus/MiniProtocol/LocalTxMonitor/Server.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE FlexibleContexts      #-}
+{-# LANGUAGE FlexibleContexts    #-}
 {-# LANGUAGE NamedFieldPuns      #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TypeFamilies        #-}
@@ -6,10 +6,10 @@
 
 module Ouroboros.Consensus.MiniProtocol.LocalTxMonitor.Server (localTxMonitorServer) where
 
-import qualified Data.Measure as Measure
-import Data.Word (Word32)
-import Data.Map.Strict (Map)
+import           Data.Map.Strict (Map)
 import qualified Data.Map.Strict as Map
+import qualified Data.Measure as Measure
+import           Data.Word (Word32)
 import           Ouroboros.Consensus.Block
 import           Ouroboros.Consensus.Ledger.SupportsMempool
 import           Ouroboros.Consensus.Mempool