Remove photo copies after upload to save space?

I would like to stop the auto feature of photos being copied after they are uploaded, is this possible? I don't need the copy and feel it's unnecessarily taking up space. Any advice on how to increase or maximize space inside the gallery would be great.

Thanks!

Gallery version = 2.1.2 core 1.1.0.2
PHP version = 4.4.6 cgi
Webserver = Apache
Database = mysql 4.1.22-SN-LinuxThreads-log, lock.system=flock
Toolkits = ArchiveUpload, Exif, Getid3, Thumbnail, Gd
Acceleration = none, none
Operating system = FreeBSD script3.scaledsystems.com 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Wed Feb 1 14:36:45 PST 2006

:/usr/obj/usr/src/sys/SN-GENERIC-386 i386
Default theme = matrix
Locale = en_US
Browser = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9