diff --git a/libisofs.spec b/libisofs.spec
index 2395d8a..eb90b42 100644
--- a/libisofs.spec
+++ b/libisofs.spec
@@ -6,7 +6,6 @@ Version:	1.5.0
 Release:	1%{?dist}
 # make_isohybrid_mbr.c is under LGPLv2+, the rest under GPLv2+
 License:	GPLv2+ and LGPLv2+
-Group:		System Environment/Libraries
 URL:		http://libburnia-project.org/
 Source0:	http://files.libburnia-project.org/releases/%{pkgname}-%{version}.tar.gz
 Source1:	http://files.libburnia-project.org/releases/%{pkgname}-%{version}.tar.gz.sig
@@ -29,7 +28,6 @@ zlib, it supports zisofs compression, too.
 
 %package devel
 Summary:	Development files for %{name}
-Group:		Development/Libraries
 Requires:	%{name}%{?_isa} = %{version}-%{release}, pkgconfig
 
 %description devel
@@ -38,7 +36,6 @@ developing applications that use %{name}.
 
 %package doc
 Summary:	Documentation files for %{name}
-Group:		Documentation
 BuildArch:	noarch
 BuildRequires:	doxygen, graphviz