diff --git a/core/modules/image/image.admin.inc b/core/modules/image/image.admin.inc
index 404b9f5a594..11f133b026f 100644
--- a/core/modules/image/image.admin.inc
+++ b/core/modules/image/image.admin.inc
@@ -164,14 +164,6 @@ function image_style_form_add_submit($form, &$form_state) {
   }
 }
 
-/**
- * Submit handler for overriding a module-defined style.
- */
-function image_style_form_override_submit($form, &$form_state) {
-  drupal_set_message(t('The %style style has been overridden, allowing you to change its settings.', array('%style' => $form_state['image_style']['name'])));
-  image_default_style_save($form_state['image_style']);
-}
-
 /**
  * Submit handler for saving an image style.
  */
diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index 068a1ab8ce4..e84e1acb4e8 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -829,27 +829,6 @@ function image_style_path($style_name, $uri) {
   return $scheme . '://styles/' . $style_name . '/' . $scheme . '/' . $path;
 }
 
-/**
- * Save a default image style to the database.
- *
- * @param style
- *   An image style array provided by a module.
- * @return
- *   An image style array. The returned style array will include the new 'isid'
- *   assigned to the style.
- */
-function image_default_style_save($style) {
-  $style = image_style_save($style);
-  $effects = array();
-  foreach ($style['effects'] as $effect) {
-    $effect['isid'] = $style['isid'];
-    $effect = image_effect_save($style['name'], $effect);
-    $effects[$effect['ieid']] = $effect;
-  }
-  $style['effects'] = $effects;
-  return $style;
-}
-
 /**
  * Revert the changes made by users to a default image style.
  *