DROP VARIABLES command
See Crunch Automation basics for more information.
The DROP VARIABLES schema command allows you to drop multiple variables in a dataset. If any of the variables mentioned has any derived variable dependency, the script will throw an error indicating the variables that have such dependencies.
DROP VARIABLES alias, ..., alias;
Example
DROP VARIABLES my_array;
DROP VARIABLES variable1...variable20;
DROP VARIABLES numeric1, numeric2, numeric3;