diff --git a/mpich.spec b/mpich.spec
index 209a00c..7897e07 100644
--- a/mpich.spec
+++ b/mpich.spec
@@ -52,7 +52,6 @@ mpich-autoload package.
 
 %package autoload
 Summary:        Load mpich automatically into profile
-Group:          System Environment/Base
 Requires:       mpich = %{version}-%{release}
 Provides:       mpich2-autoload = 3.0.1
 Obsoletes:      mpich2-autoload < 3.0
@@ -62,7 +61,6 @@ This package contains profile files that make mpich automatically loaded.
 
 %package devel
 Summary:        Development files for mpich
-Group:          Development/Libraries
 Provides:       %{name}-devel-static = %{version}-%{release}
 Requires:       %{name} = %{version}-%{release}
 Requires:       pkgconfig
@@ -76,7 +74,6 @@ Contains development headers and libraries for mpich
 
 %package doc
 Summary:        Documentations and examples for mpich
-Group:          Documentation
 BuildArch:      noarch
 Requires:       %{name}-devel = %{version}-%{release}
 Provides:       mpich2-doc = 3.0.1
@@ -87,14 +84,12 @@ Contains documentations, examples and man-pages for mpich
 
 %package -n python2-mpich
 Summary:        mpich support for Python 2
-Group:          Development/Libraries
 
 %description -n python2-mpich
 mpich support for Python 2.
 
 %package -n python3-mpich
 Summary:        mpich support for Python 3
-Group:          Development/Libraries
 
 %description -n python3-mpich
 mpich support for Python 3.