diff --git a/isomorphism-class.cabal b/isomorphism-class.cabal
--- a/isomorphism-class.cabal
+++ b/isomorphism-class.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: isomorphism-class
-version: 0.1.0.5
+version: 0.1.0.6
 synopsis: Isomorphism typeclass solving the conversion problem
 homepage: https://github.com/nikita-volkov/isomorphism-class
 bug-reports: https://github.com/nikita-volkov/isomorphism-class/issues
@@ -58,7 +58,7 @@
     bytestring >=0.11,
     isomorphism-class,
     QuickCheck >=2.13 && <3,
-    quickcheck-instances ==0.3.27,
+    quickcheck-instances ==0.3.28,
     rebase >=1.15 && <1.16,
     tasty >=1.2.3 && <2,
     tasty-hunit >=0.10.0.2 && <0.11,
diff --git a/test/Test/ExtraInstances.hs b/test/Test/ExtraInstances.hs
--- a/test/Test/ExtraInstances.hs
+++ b/test/Test/ExtraInstances.hs
@@ -24,10 +24,6 @@
   arbitrary = arbitraryVector
   shrink = shrinkVector
 
-instance Arbitrary PrimitiveByteArray.ByteArray where
-  arbitrary = fromList <$> arbitrary
-  shrink = fmap fromList . shrink . toList
-
 instance Arbitrary TextLazyBuilder.Builder where
   arbitrary = TextLazyBuilder.fromText <$> arbitrary
   shrink = shrinkMap TextLazyBuilder.fromLazyText TextLazyBuilder.toLazyText