diff --git a/compiler/GHC/StgToCmm/InfoTableProv.hs b/compiler/GHC/StgToCmm/InfoTableProv.hs
index 13649becc34e1ec796580823f7762041bd0c34b2..fa441104c156444cca7c17812eccac443ba22d90 100644
--- a/compiler/GHC/StgToCmm/InfoTableProv.hs
+++ b/compiler/GHC/StgToCmm/InfoTableProv.hs
@@ -6,7 +6,6 @@ import Foreign
 
 #if defined(HAVE_LIBZSTD)
 import Foreign.C.Types
-import Foreign.Marshal.Utils (copyBytes)
 import qualified Data.ByteString.Internal as BSI
 import GHC.IO (unsafePerformIO)
 #endif