diff --git a/flex.spec b/flex.spec
index bf23350..2d833cd 100644
--- a/flex.spec
+++ b/flex.spec
@@ -9,7 +9,6 @@ Release: 1%{?dist}
 #	let's  assume that the relicensing was done.
 # gettext.h (copied from gnulib) is under LGPLv2+
 License: BSD and LGPLv2+
-Group: Development/Tools
 URL: https://github.com/westes/flex
 Source: https://github.com/westes/flex/releases/download/v%{version}/flex-%{version}.tar.gz
 
@@ -36,7 +35,6 @@ application development.
 # installations of flex.
 %package devel
 Summary: Libraries for flex scanner generator
-Group: Development/Tools
 Obsoletes: flex-static < 2.5.35-15
 Provides: flex-static
 
@@ -48,7 +46,6 @@ instead of implementing their own.
 
 %package doc
 Summary: Documentation for flex scanner generator
-Group: Documentation
 
 %description doc