diff --git a/opencc.spec b/opencc.spec
index 2657089..ad918d9 100644
--- a/opencc.spec
+++ b/opencc.spec
@@ -3,7 +3,6 @@ Version:    1.0.5
 Release:    3%{?dist}
 Summary:    Libraries for Simplified-Traditional Chinese Conversion
 License:    ASL 2.0
-Group:      System Environment/Libraries
 URL:        https://github.com/BYVoid/OpenCC
 Source0:    https://github.com/BYVoid/OpenCC/archive/ver.%{version}.tar.gz#/OpenCC-ver.%{version}.tar.gz
 Patch1:     opencc-fixes-cmake.patch
@@ -21,7 +20,6 @@ Traditional Chinese and Simplified Chinese.
 
 %package doc
 Summary:    Documentation for OpenCC
-Group:      Applications/Text
 Requires:   %{name} = %{version}-%{release}
 
 %description doc
@@ -30,7 +28,6 @@ Doxygen generated documentation for OpenCC.
 
 %package tools
 Summary:    Command line tools for OpenCC
-Group:      Applications/Text
 Requires:   %{name} = %{version}-%{release}
 
 %description tools
@@ -40,7 +37,6 @@ for building dictionaries.
 
 %package devel
 Summary:    Development files for OpenCC
-Group:      Development/Libraries
 Requires:   %{name} = %{version}-%{release}
 
 %description devel