diff --git a/simspark.spec b/simspark.spec
index 4905cc5..44fce1f 100644
--- a/simspark.spec
+++ b/simspark.spec
@@ -3,7 +3,6 @@ Version:        0.3.0
 Release:        12%{?dist}
 Summary:        Spark physical simulation system
 
-Group:          Development/Libraries
 License:        GPLv2
 URL:            http://simspark.sourceforge.net
 Source0:        http://downloads.sourceforge.net/simspark/%{name}-%{version}.tar.gz
@@ -24,7 +23,6 @@ In these simulations, agents can participate as external processes.
 
 %package        devel
 Summary:        Development files for %{name}
-Group:          Development/Libraries
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       boost-devel%{?_isa} ruby-devel%{?_isa} ode-devel%{?_isa}
 Requires:       DevIL-devel%{?_isa} libGL-devel libGLU-devel