I like to keep my installs trim and scripts to minimum, i know nothing i run needs the migration tool, so let’s knock that one on the head. If you don’t know what this script does or is for, it’s probably best to leave it be.
add_action( 'wp_default_scripts', 'on_wp_default_scripts', 2000 );
public function on_wp_default_scripts( $wp_script_instance ) {
if( !isset( $wp_script_instance->registered['jquery'] ) )
return;
foreach( $wp_script_instance->registered['jquery']->deps as $k => $script ) {
if( 'jquery-migrate' !== $script )
continue;
unset( $wp_script_instance->registered['jquery']->deps[$k] );
break;
}
}