Go by the board
Definition 1 of 2
Pro Tip 1/3Outdated Practices
Used to express that a practice is no longer common or valued. 
In the digital age, going to the library to find information has gone by the board.
Pro Tip 2/3Ignoring Standards
Suggests standards or expectations that are overlooked or abandoned. 
During the crisis, standard procedures went by the board as we scrambled to respond.
Pro Tip 3/3Cultural Shifts
Indicates a change in societal or cultural norms. 
The importance of handwritten letters went by the board with the advent of email.