diff --git a/ghc-syb.changes b/ghc-syb.changes
index 879236a..0f79a25 100644
--- a/ghc-syb.changes
+++ b/ghc-syb.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Thu Oct 17 12:20:00 UTC 2020 - Ondřej Súkup <mimi.vx@gmail.com>
  
-- force i686 arch on i586
+- disable %{ix86} build
  
 -------------------------------------------------------------------
 Tue Aug 18 10:46:07 UTC 2020 - Peter Simons <psimons@suse.com>
diff --git a/ghc-syb.spec b/ghc-syb.spec
index 145e157..1661c04 100644
--- a/ghc-syb.spec
+++ b/ghc-syb.spec
@@ -27,12 +27,7 @@ URL:            https://hackage.haskell.org/package/%{pkg_name}
 Source0:        https://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
-# GHC dont support i586
-%ifarch %{ix86}
-ExclusiveArch:  i586 i686
-ExclusiveArch:  i686
-%{expand:%%global optflags %(echo "%{optflags}"|sed -e s/i586/i686/) -march=i686 -mtune=generic}
-%endif
+ExcludeArch:    %{ix86}
 %if %{with tests}
 BuildRequires:  ghc-HUnit-devel
 BuildRequires:  ghc-containers-devel