diff --git a/ruby-qt.spec b/ruby-qt.spec
index a2d91c0..c562f26 100644
--- a/ruby-qt.spec
+++ b/ruby-qt.spec
@@ -12,7 +12,6 @@ Version: 4.10.1
 Release: 1%{?dist}
 
 License: LGPLv2+
-Group:   Development/Languages
 URL:     https://projects.kde.org/projects/kde/kdebindings/ruby/qtruby
 %global revision %(echo %{version} | cut -d. -f3)
 %if %{revision} >= 50
@@ -47,23 +46,19 @@ Requires: smokeqt%{?_isa} >= %{version}
 This package includes ruby bindings for Qt 4.
 
 %package devel
-Group: Development/Languages
 Summary: Development files for QtRuby
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Obsoletes: QtRuby-devel < 4.7.0
 Provides: QtRuby-devel = %{version}-%{release}
 Provides: QtRuby4-devel = %{version}-%{release}
 Provides: qtruby-devel = %{version}-%{release}
-
 %description devel
 This package includes the header files you will need to compile
 applications for Qt 4.
 
 %package examples
 Summary: Programming examples for %{name}
-Group: Documentation
 Requires: %{name}%{?_isa} = %{?epoch:%{epoch}:}%{version}-%{release}
-
 %description examples
 %{summary}.
 
@@ -85,19 +80,13 @@ make %{?_smp_mflags} -C %{_target_platform}
  
 
 %install
-rm -rf %{buildroot}
 make install/fast DESTDIR=%{buildroot} -C %{_target_platform}
  
 
-%clean
-rm -rf %{buildroot}
- 
-
 %post -p /sbin/ldconfig
 %postun -p /sbin/ldconfig
  
 %files
-%defattr(-, root, root, 0755)
 %doc AUTHORS COPYING COPYING.LIB ChangeLog INSTALL README
 %{_libdir}/libqtruby4shared.so.2*
 %{ruby_vendorarchdir}/*.so
@@ -113,7 +102,6 @@ rm -rf %{buildroot}
 %{ruby_vendorlibdir}/qtwebkit/
 
 %files devel
-%defattr(-, root, root, 0755)
 %{_bindir}/rbqtapi
 %{_bindir}/rbrcc
 %{_bindir}/rbuic4