cancel out, wipe out - wipe out the effect of something; "The new tax effectively cancels out my raise"; "The `A' will cancel out the `C' on your record"

decouple - reduce or eliminate the coupling of (one circuit or part to another)

decouple - eliminate airborne shockwaves from (an explosive)

obliterate - do away with completely, without leaving a trace

knock out - eliminate; "knock out a target"

drown - get rid of as if by submerging; "She drowned her trouble in alcohol"

cut out - delete or remove; "Cut out the extra text"; "cut out the newspaper article"

prune, rationalize, rationalise, cut - weed out unwanted or unnecessary things; "We had to lose weight, so we cut the sugar from our diet"

extinguish, snuff out - put an end to; kill; "The Nazis snuffed out the life of many Jewish children"

exclude, leave out, omit, leave off, except, take out - prevent from being included or considered or accepted; "The bad results were excluded from the report"; "Leave off the top piece"

destroy, destruct - do away with, cause the destruction or undoing of; "The fire destroyed the house"