diff --git a/array.cabal b/array.cabal
index 5313a97969ffd9113975c99c4e43c48e5f2ce7dc..b01582da7c56c5bdda97388d28423528843326e2 100644
--- a/array.cabal
+++ b/array.cabal
@@ -16,7 +16,7 @@ extra-source-files: include/Typeable.h
 library
   build-depends: base
   if !impl(nhc98)
-    build-depends: st, concurrent, syb
+    build-depends: syb
   exposed-modules:
       Data.Array
   extensions: CPP