diff --git a/base32.cabal b/base32.cabal
--- a/base32.cabal
+++ b/base32.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.0
 name:               base32
-version:            0.1.1.1
+version:            0.1.1.2
 synopsis:           RFC 4648-compliant Base32 encodings/decodings
 description:
   RFC 4648-compliant Base32 encodings and decodings.
@@ -20,7 +20,7 @@
   README.md
 
 tested-with:
-  GHC ==8.2.2 || ==8.4.3 || ==8.4.4 || ==8.6.3 || ==8.6.5 || ==8.8.1
+  GHC ==8.2.2 || ==8.4.4 || ==8.6.5 || ==8.8.3 || ==8.10.1
 
 source-repository head
   type:     git
diff --git a/src/Data/ByteString/Base32/Internal/Head.hs b/src/Data/ByteString/Base32/Internal/Head.hs
--- a/src/Data/ByteString/Base32/Internal/Head.hs
+++ b/src/Data/ByteString/Base32/Internal/Head.hs
@@ -9,7 +9,6 @@
 ) where
 
 
-import Data.ByteString (ByteString)
 import qualified Data.ByteString as BS
 import Data.ByteString.Internal
 import Data.ByteString.Base32.Internal.Loop