code: function( name ) {
  		if ( ! munit.isString( name ) || ! name.length ) {
  			throw new Error( "Name not found for removing formatter" );
  		}
  
  		if ( render._formatHash[ name ] ) {
  			delete render._formatHash[ name ];
  			render._formats = render._formats.filter(function( f ) {
  				return f.name !== name;
  			});
  		}
  	}
docs: Removing a formatter