diff --git a/ghc-mwc-random.changes b/ghc-mwc-random.changes
index a33f749..9749953 100644
--- a/ghc-mwc-random.changes
+++ b/ghc-mwc-random.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 10:45:31 UTC 2020 - Peter Simons <psimons@suse.com>
diff --git a/ghc-mwc-random.spec b/ghc-mwc-random.spec
index 96754f9..b7324a0 100644
--- a/ghc-mwc-random.spec
+++ b/ghc-mwc-random.spec
@@ -30,12 +30,7 @@ BuildRequires:  ghc-primitive-devel
 BuildRequires:  ghc-rpm-macros
 BuildRequires:  ghc-time-devel
 BuildRequires:  ghc-vector-devel
-# 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}
 
 %description
 This package contains code for generating high quality random numbers that