\include "editorial-tools/edition-engraver/definitions.ily"

\version "2.19.32"

melody = \relative c' {
  c d e f
}

\layout {
  \context {
    \Score
    \consists \editionEngraver my.Test
  }
  \context {
    \Staff
    \consists \editionEngraver ##f
  }
  \context {
    \Voice
    \consists \editionEngraver ##f 
  }
}

%Red Note
\editionMod red 1 1/4 my.Test.Staff.A \once \override NoteHead #'color = #red

\addEdition red
%this one should have the modification
\score {
  \new Staff { \melody }
}

% how do you get this one to NOT have te modification?
\score {
  \new Staff {
    \applyContext #(lambda (context) #{ \removeEdition red #})
    \melody
  }
}