diff --git a/dmidecode.spec b/dmidecode.spec
index 13d14da..062cbec 100644
--- a/dmidecode.spec
+++ b/dmidecode.spec
@@ -9,6 +9,7 @@ Source0:	dmidecode-2.5.tar.gz
 Buildroot:      %{_tmppath}/%{name}-%{version}-root
 BuildPreReq: 	/usr/bin/aclocal /usr/bin/automake /usr/bin/autoconf
 ExclusiveArch:	i386 x86_64 ia64
+Obsoletes:	kernel-utils
 
 %description
 dmidecode decodes the DMI data present in x86 and IA64 BIOS's.