diff --git a/bison.spec b/bison.spec
index d773f0e..8048436 100644
--- a/bison.spec
+++ b/bison.spec
@@ -3,7 +3,6 @@ Name: bison
 Version: 3.0.5
 Release: 1%{?dist}
 License: GPLv3+
-Group: Development/Tools
 Source: ftp://ftp.gnu.org/pub/gnu/bison/bison-%{version}.tar.xz
 
 # Fix errors caused by references to obsolete libio.h
@@ -42,7 +41,6 @@ Bison.
 
 %package devel
 Summary: -ly library for development using Bison-generated parsers
-Group: Development/Libraries
 Provides: bison-static = %{version}-%{release}
 
 %description devel
@@ -64,7 +62,6 @@ simple programs to supply minimal support for the generated parsers.
 
 %package runtime
 Summary: Runtime support files used by Bison-generated parsers
-Group: Development/Libraries
 
 %description runtime
 The bison-runtime package contains files used at runtime by parsers