diff --git a/cryptohash-cryptoapi-flag.patch b/cryptohash-cryptoapi-flag.patch
new file mode 100644
index 0000000..3fdda4f
--- /dev/null
+++ b/cryptohash-cryptoapi-flag.patch
@@ -0,0 +1,11 @@
+--- cryptohash-0.7.5/cryptohash.cabal~	2012-04-23 01:37:51.000000000 +0900
++++ cryptohash-0.7.5/cryptohash.cabal	2012-11-19 13:12:48.015260203 +0900
+@@ -34,7 +34,7 @@
+ 
+ Flag cryptoapi
+   Description:       Defines crypto-api instances
+-  Default:           True
++  Default:           False
+ 
+ Library
+   Build-Depends:     base >= 4 && < 6, bytestring
diff --git a/ghc-cryptohash.spec b/ghc-cryptohash.spec
index 2ad1e07..4f390d4 100644
--- a/ghc-cryptohash.spec
+++ b/ghc-cryptohash.spec
@@ -3,10 +3,8 @@
 
 %global pkg_name cryptohash
 
-# common part of summary for all the subpackages
 %global common_summary Crypto hashes, fast, pure and practical
 
-# main description used for all the subpackages
 %global common_description A collection of crypto hashes, with a practical incremental and one-pass,\
 pure APIs, with performance close to the fastest implementations available\
 in others languages.  The implementations are made in C with\
@@ -20,14 +18,12 @@ Summary:        %{common_summary}
 License:        BSD
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
+Patch0:         cryptohash-cryptoapi-flag.patch
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 # Begin cabal-rpm deps:
 BuildRequires:  ghc-bytestring-devel
-BuildRequires:  ghc-cereal-devel
-BuildRequires:  ghc-crypto-api-devel
-BuildRequires:  ghc-tagged-devel
 # End cabal-rpm deps
 
 %description
@@ -36,6 +32,7 @@ BuildRequires:  ghc-tagged-devel
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
+%patch0 -p1 -b .orig
 
 
 %build
@@ -45,7 +42,7 @@ BuildRequires:  ghc-tagged-devel
 %install
 %ghc_lib_install
 
-rm -r %{buildroot}%{_datadir}/%{pkg_name}-%{version}
+rm %{buildroot}%{_datadir}/%{pkg_name}-%{version}/README.md
 
 
 %ghc_devel_package
@@ -63,6 +60,7 @@ rm -r %{buildroot}%{_datadir}/%{pkg_name}-%{version}
 %changelog
 * Sat Nov 17 2012 Jens Petersen <petersen@redhat.com> - 0.7.5-4
 - update with cabal-rpm
+- disable cryptoapi flag until crypto-api packaged
 
 * Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.7.5-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild