diff --git a/cas-hashable.cabal b/cas-hashable.cabal
--- a/cas-hashable.cabal
+++ b/cas-hashable.cabal
@@ -1,5 +1,5 @@
 Name:                cas-hashable
-Version:             1.0.0
+Version:             1.0.1
 Synopsis:            A hashing class for content-addressed storage
 Description:
             A hashing class for content-addressed storage. Content can be hashed either by value or through an IO action. Part of the funflow ecosystem.
@@ -23,7 +23,6 @@
    default-language:  Haskell2010
 
    Exposed-modules:  Data.CAS.ContentHashable
-                   , Data.CAS.StoreOrphans
    Build-depends:
                  base                    >= 4.6 && <5
                , aeson                   >= 1.2.3.0
@@ -39,7 +38,6 @@
                , path-io
                , safe-exceptions
                , scientific
-               , store
                , text
                , time
                , unix
diff --git a/src/Data/CAS/ContentHashable.hs b/src/Data/CAS/ContentHashable.hs
--- a/src/Data/CAS/ContentHashable.hs
+++ b/src/Data/CAS/ContentHashable.hs
@@ -68,9 +68,7 @@
 import           Data.ByteString.Builder.Extra    (defaultChunkSize)
 import qualified Data.ByteString.Char8            as C8
 import qualified Data.ByteString.Lazy             as BSL
-import           Data.CAS.StoreOrphans            ()
 import           Data.Foldable                    (foldlM)
-import           Data.Functor.Contravariant
 import qualified Data.Hashable
 import qualified Data.HashMap.Lazy                as HashMap
 import qualified Data.HashSet                     as HashSet
@@ -81,7 +79,6 @@
 import qualified Data.Map                         as Map
 import           Data.Ratio
 import           Data.Scientific
-import           Data.Store                       (Store (..), peekException)
 import qualified Data.Text                        as T
 import qualified Data.Text.Array                  as TA
 import qualified Data.Text.Encoding               as TE
@@ -136,13 +133,6 @@
     . showString "\""
     where app_prec = 10
 
-instance Store ContentHash where
-  size = contramap toBytes size
-  peek = fromBytes <$> peek >>= \case
-    Nothing -> peekException "Store ContentHash: Illegal digest"
-    Just x -> return x
-  poke = poke . toBytes
-
 toBytes :: ContentHash -> BS.ByteString
 toBytes = convert . unContentHash
 
@@ -488,7 +478,6 @@
 
 instance Aeson.FromJSON ExternallyAssuredFile
 instance Aeson.ToJSON ExternallyAssuredFile
-instance Store ExternallyAssuredFile
 
 instance ContentHashable IO ExternallyAssuredFile where
   contentHashUpdate ctx (ExternallyAssuredFile fp) = do
@@ -518,7 +507,6 @@
 
 instance Aeson.FromJSON ExternallyAssuredDirectory
 instance Aeson.ToJSON ExternallyAssuredDirectory
-instance Store ExternallyAssuredDirectory
 
 instance ContentHashable IO ExternallyAssuredDirectory where
   contentHashUpdate ctx0 (ExternallyAssuredDirectory dir0) = do
diff --git a/src/Data/CAS/StoreOrphans.hs b/src/Data/CAS/StoreOrphans.hs
deleted file mode 100644
--- a/src/Data/CAS/StoreOrphans.hs
+++ /dev/null
@@ -1,28 +0,0 @@
-{-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# LANGUAGE FlexibleInstances #-}
-
--- | Dedicated module for orphan instances.
-module Data.CAS.StoreOrphans where
-
-import           Data.Functor.Contravariant
-import           Data.Store                 (Store)
-import qualified Data.Store                 as Store
-import qualified Path                       as Path
-import qualified Path.Internal
-
-instance Store (Path.Path Path.Abs Path.File) where
-  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
-  peek = Path.Internal.Path <$> Store.peek
-  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
-instance Store (Path.Path Path.Abs Path.Dir) where
-  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
-  peek = Path.Internal.Path <$> Store.peek
-  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
-instance Store (Path.Path Path.Rel Path.File) where
-  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
-  peek = Path.Internal.Path <$> Store.peek
-  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)
-instance Store (Path.Path Path.Rel Path.Dir) where
-  size = contramap (\(Path.Internal.Path fp) -> fp) Store.size
-  peek = Path.Internal.Path <$> Store.peek
-  poke = Store.poke . (\(Path.Internal.Path fp) -> fp)