He edited the paper and removed any redundant information or statements.
Avoid redundant expressions in your writing.
Some people say that since all adages are old, the phrase “old adage” is redundant.
The drone had originally been designed to go places the Blackbird could not, but it had become redundant on discovery of the fact that there was nowhere the SR-71 could not go in safety … —Tom Clancy, The Cardinal of the Kremlin, 1989
Undoubtedly in ninety-nine cases out of a hundred a witness to an occurrence is someone who has seen it. Therefore, some editors have said, eyewitness is a redundant word and it should be consigned to the dustbin. —Theodore M. Bernstein, Mrs. Thistlebottom's Hobgoblins, 1971
There they sat, grounded upon the ground, silent, uncomplaining, with bowed heads, a pathetic sight. And by hideous contrast, a redundant orator was making a speech to another gathering not thirty steps away … —Mark Twain, A Connecticut Yankee in King Arthur's Court, 1889