diff --git a/zlib-clib/zlib-clib.cabal b/zlib-clib/zlib-clib.cabal
index 6312ce8..61e067c 100644
--- a/zlib-clib/zlib-clib.cabal
+++ b/zlib-clib/zlib-clib.cabal
@@ -36,7 +36,6 @@ library
   default-language: Haskell2010
 
   include-dirs: cbits
-  includes: zlib.h
 
   c-sources: cbits/adler32.c
              cbits/compress.c