Turns out syb is not needed at all

Data/Array.hs

@@ -59,8 +59,6 @@ import Data.Ix
 
 #ifdef __GLASGOW_HASKELL__
 import GHC.Arr                    -- Most of the hard work is done here
---import Data.Generics.Instances () -- To provide a Data instance
---import Data.Generics.Basics    () -- because the Data instance is an orphan
 #endif
 
 #ifdef __HUGS__

array.cabal

@@ -15,8 +15,6 @@ extra-source-files: include/Typeable.h
 
 library
   build-depends: base
-  if !impl(nhc98)
-    build-depends: syb
   exposed-modules:
       Data.Array
   extensions: CPP