My CentOS 6.4 experience

redhat-lsb-core-cleanup.sh

$ yum remove /usr/bin/foomatic-rip /usr/bin/gs /usr/bin/lp /usr/bin/lpr \
  libcups.so.2 libcupsimage.so.2 /usr/bin/fc-cache /usr/bin/fc-list \
  /usr/bin/fc-match libGL.so.1 libGLU.so.1 libICE.so.6 libQtCore.so.4 \
  libQtGui.so.4 libQtNetwork.so.4 libQtOpenGL.so.4 libQtSql.so.4 libQtSvg.so.4 \
  libQtXml.so.4 libSM.so.6 libX11.so.6 libXext.so.6 libXft.so.2 libXi.so.6 \
  libXrender.so.1 libXt.so.6 libXtst.so.6 libasound.so.2 libatk-1.0.so.0 \
  libcairo.so.2 libcups.so.2 libcupsimage.so.2 libfontconfig.so.1 \
  libfreetype.so.6 libgdk-x11-2.0.so.0 libgdk_pixbuf-2.0.so.0 \
  libgdk_pixbuf_xlib-2.0.so.0 libgtk-x11-2.0.so.0 \
  libjpeg.so.62 libpango-1.0.so.0 libpangocairo-1.0.so.0 libpangoft2-1.0.so.0 \
  libpangoxft-1.0.so.0 libpng12.so.0 libqt-mt.so.3 tcpdump ql*00-firmware \
  libtheora libX11-common libvorbis libogg iwl*-firmware hunspell cdparanoia-libs \
  atmel-firmware iscsi-initiator-utils ipw2200-firmware ipw2100-firmware

# -> Remove ~180MB
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# :)
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# There's likely more...