Fatal error: Cannot redeclare views_gallery_settings_form()

Fatal error: Cannot redeclare views_gallery_settings_form() (previously declared in /var/www/drupal_sites/all/modules/contrib/views_gallery/views_gallery.module:41) in/var/www/drupal_sites/all/modules/contrib/views_gallery/views_gallery_og.module on line 130

Thrown when u turn on Views Gallery OG module.

From views_gallery.module

function views_gallery_settings_form() {
  $form = array();
  $options = node_get_types('names');
  $form['views_gallery_gallery_type'] = array(
    '#title' => t('Views Gallery Gallery Type'),
    '#description' => t('Set the content type that will be used for galleries.'),
    '#type' => 'select',
    '#options' => $options,
    '#default_value' => views_gallery_gallery_type(),
    );
  $form['views_gallery_image_type'] = array(
    '#title' => t('Views Gallery Image Type'),
    '#description' => t('Set the content type that will be used for gallery images.'),
    '#type' => 'select',
    '#options' => $options,
    '#default_value' => views_gallery_image_type(),
    );
  return system_settings_form($form);
}

Error at views_gallery_og.module - views_gallery_settings_form() below:

/**
  * Views Gallery OG settings.
  */
function views_gallery_settings_form() {
  $form['views_gallery_og'] = array(
    '#type' => 'fieldset',
    '#title' => t('Create Views Galleries'),
    '#description' => t('Auto-create a Views gallery for every group. Use the syntax [token] if you want to insert a replacement pattern.'),
  );

  $form['views_gallery_og']['title'] = array(
    '#type' => 'textfield',
    '#title' => t('Pattern for the title'),
    '#default_value' => t('[ogname] Photo Gallery'),
  );
  $form['views_gallery_og']['body'] = array(
    '#type' => 'textarea',
    '#title' => t('Pattern for the body'),
    '#default_value' => t('A photo gallery for [ogname].'),
  );
  $form['views_gallery_og']['public'] = array(
    '#type' => 'select',
    '#title' => t('Make galleries public?'),
    '#default_value' => 0,
    '#options' => array(0 => t('No'), 1 => t('Yes')),
  );
  $form['views_gallery_og']['unique'] = array(
    '#type' => 'select',
    '#title' => t('Unique galleries?'),
    '#default_value' => 1,
    '#options' => array(0 => t('No'), 1 => t('Yes')),    '#description' => t("If set to 'yes', no new gallery will be created for any group that already has a gallery. If set to 'no', this form will create a new gallery for every group, even if that group already has another gallery.")
  );

  $form['views_gallery_og']['token_help'] = array(
    '#title' => t('Replacement patterns'),
    '#type' => 'fieldset',
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#description' => t('Use raw-text replacements for text to avoid problems with HTML entities.'),
  );
  $form['views_gallery_og']['token_help']['help'] = array(
    '#value' => theme('token_help', 'node'),
  );

  $form['views_gallery_og']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Create galleries'),
    );
  return $form;
}