diff --git a/src/Database/LSMTree/Internal/ChecksumHandle.hs b/src/Database/LSMTree/Internal/ChecksumHandle.hs
index c1b020101..518dc1587 100644
--- a/src/Database/LSMTree/Internal/ChecksumHandle.hs
+++ b/src/Database/LSMTree/Internal/ChecksumHandle.hs
@@ -44,7 +44,6 @@ import qualified Database.LSMTree.Internal.RawOverflowPage as RawOverflowPage
 import           Database.LSMTree.Internal.RawPage (RawPage)
 import qualified Database.LSMTree.Internal.RawPage as RawPage
 import           Database.LSMTree.Internal.Serialise
-import           GHC.Exts (Proxy#)
 import qualified System.FS.API as FS
 import           System.FS.API
 import qualified System.FS.BlockIO.API as FS
diff --git a/src/Database/LSMTree/Internal/Config.hs b/src/Database/LSMTree/Internal/Config.hs
index a3e78e6ff..c0a8f8306 100644
--- a/src/Database/LSMTree/Internal/Config.hs
+++ b/src/Database/LSMTree/Internal/Config.hs
@@ -42,7 +42,6 @@ import qualified Database.LSMTree.Internal.Index as Index
                      (IndexType (Compact, Ordinary))
 import           Database.LSMTree.Internal.Run (RunDataCaching (..))
 import           Database.LSMTree.Internal.RunAcc (RunBloomFilterAlloc (..))
-import           GHC.Exts (Proxy#, proxy#)
 import qualified Monkey
 
 newtype LevelNo = LevelNo Int
diff --git a/src/Database/LSMTree/Internal/Merge.hs b/src/Database/LSMTree/Internal/Merge.hs
index 1df33d093..1ea753ff3 100644
--- a/src/Database/LSMTree/Internal/Merge.hs
+++ b/src/Database/LSMTree/Internal/Merge.hs
@@ -38,7 +38,6 @@ import qualified Database.LSMTree.Internal.RunReader as Reader
 import           Database.LSMTree.Internal.RunReaders (Readers)
 import qualified Database.LSMTree.Internal.RunReaders as Readers
 import           Database.LSMTree.Internal.Serialise
-import           GHC.Exts (Proxy#)
 import qualified System.FS.API as FS
 import           System.FS.API (HasFS)
 import           System.FS.BlockIO.API (HasBlockIO)
diff --git a/src/Database/LSMTree/Internal/MergingRun.hs b/src/Database/LSMTree/Internal/MergingRun.hs
index a9495b330..b3e7d751b 100644
--- a/src/Database/LSMTree/Internal/MergingRun.hs
+++ b/src/Database/LSMTree/Internal/MergingRun.hs
@@ -45,7 +45,6 @@ import           Database.LSMTree.Internal.Paths (RunFsPaths (..))
 import           Database.LSMTree.Internal.Run (Run)
 import qualified Database.LSMTree.Internal.Run as Run
 import           Database.LSMTree.Internal.RunAcc (RunBloomFilterAlloc)
-import           GHC.Exts (Proxy#)
 import           System.FS.API (HasFS)
 import           System.FS.BlockIO.API (HasBlockIO)
 
diff --git a/src/Database/LSMTree/Internal/Run.hs b/src/Database/LSMTree/Internal/Run.hs
index 793e7ecb4..5980c958c 100644
--- a/src/Database/LSMTree/Internal/Run.hs
+++ b/src/Database/LSMTree/Internal/Run.hs
@@ -56,7 +56,6 @@ import           Database.LSMTree.Internal.WriteBuffer (WriteBuffer)
 import qualified Database.LSMTree.Internal.WriteBuffer as WB
 import           Database.LSMTree.Internal.WriteBufferBlobs (WriteBufferBlobs)
 import qualified Database.LSMTree.Internal.WriteBufferBlobs as WBB
-import           GHC.Exts (Proxy#)
 import qualified System.FS.API as FS
 import           System.FS.API (HasFS)
 import qualified System.FS.BlockIO.API as FS
diff --git a/src/Database/LSMTree/Internal/RunAcc.hs b/src/Database/LSMTree/Internal/RunAcc.hs
index 47a9170e6..6277879b9 100644
--- a/src/Database/LSMTree/Internal/RunAcc.hs
+++ b/src/Database/LSMTree/Internal/RunAcc.hs
@@ -55,7 +55,6 @@ import           Database.LSMTree.Internal.RawPage (RawPage)
 import qualified Database.LSMTree.Internal.RawPage as RawPage
 import           Database.LSMTree.Internal.Serialise (SerialisedKey,
                      SerialisedValue)
-import           GHC.Exts (Proxy#)
 import qualified Monkey
 
 {-------------------------------------------------------------------------------
diff --git a/src/Database/LSMTree/Internal/RunBuilder.hs b/src/Database/LSMTree/Internal/RunBuilder.hs
index dc44e4c57..2000a0ba1 100644
--- a/src/Database/LSMTree/Internal/RunBuilder.hs
+++ b/src/Database/LSMTree/Internal/RunBuilder.hs
@@ -30,7 +30,6 @@ import           Database.LSMTree.Internal.RawPage (RawPage)
 import           Database.LSMTree.Internal.RunAcc (RunAcc, RunBloomFilterAlloc)
 import qualified Database.LSMTree.Internal.RunAcc as RunAcc
 import           Database.LSMTree.Internal.Serialise
-import           GHC.Exts (Proxy#)
 import qualified System.FS.API as FS
 import           System.FS.API (HasFS)
 import qualified System.FS.BlockIO.API as FS