This is an extremely useful task from Doug Mink's wcstools package. It is used to eliminate header keywords.

% delhead BB.fits DATAMIN DATAMAX WCSNAMEP CTYPE1P CRPIX1P CRVAL1P

Soemtimes I want to run a lot of delhead tasks. The "remove_fits_kwords" can be used to delete all keywords in an input list, and such an input list can be be created (and then editted) with the "fitskw.sh" routine"

% fitskw.sh > bad.keys 
% font color=red>vi bad.keys 
Finally, I remove the offending cards with these keywords. 
% rfont color=red>emove_fits_kwords 20150827T090729.2_acm_sci.fits bad.keys