WordPress - Remove User Profile fields

remove-user-fields.php

if ( ! function_exists( 'remove_unneeded_account_options' ) ) {
  /**
   * Removes user settings sections by their heading element pattern.
   */
  function remove_unneeded_account_options( $subject ) {
    $subject = preg_replace( '#<h2>Personal Options</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>About Yourself</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>Author Archive Settings</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>Author Archive SEO Settings</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>Layout Settings</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>User Permissions</h2>.+?/table>#s', '', $subject, 1 );
    $subject = preg_replace( '#<h2>Account Management</h2>.+?/table>#s', '', $subject, 1 );
    return $subject;
  }

  function profile_subject_start() {
    ob_start( 'remove_unneeded_account_options' );
  }

  function profile_subject_end() {
    ob_end_flush();
  }
}
add_action( 'admin_head-profile.php', 'profile_subject_start' );
add_action( 'admin_footer-profile.php', 'profile_subject_end' );