diff --git a/c++-gtk-utils.spec b/c++-gtk-utils.spec
index cbe8f4f..baa6753 100644
--- a/c++-gtk-utils.spec
+++ b/c++-gtk-utils.spec
@@ -3,7 +3,6 @@ Version:        2.0.16
 Release:        15%{?dist}
 Summary:        A library for GTK+ programming with C++
 
-Group:          System Environment/Libraries
 License:        LGPLv2
 URL:            http://cxx-gtk-utils.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/cxx-gtk-utils/%{name}-%{version}.tar.gz
@@ -52,7 +51,6 @@ This version is built against GTK3.
 
 %package gtk2-devel
 Summary:        Development files for the c++-gtk-utils library - GTK2 version
-Group:          Development/Libraries
 Requires:       %{name}-gtk2%{?_isa} = %{version}-%{release}
 
 %description gtk2-devel
@@ -63,7 +61,6 @@ This version is built against GTK2.
 
 %package gtk3-devel
 Summary:        Development files for the c++-gtk-utils library - GTK3 version
-Group:          Development/Libraries
 Requires:       %{name}-gtk3%{?_isa} = %{version}-%{release}
 
 %description gtk3-devel
@@ -74,7 +71,6 @@ This version is built against GTK3.
 
 %package devel-doc
 Summary:        Development documentation for the c++-gtk-utils library
-Group:          Documentation
 BuildArch:      noarch
 
 %description devel-doc