301-Redirect for http://abcde.com/?q=... to http://abcde.com/

301-Redirect for http://abcde.com/?q=... to http://abcde.com/

I am looking for an .htaccess RewriteRule, which redirects
http://abcde.com/?q=abc (abc can be any string) to http://abcde.com/
Thanks a lot. David