diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index f577b76..e5cb0eb 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -242,6 +242,25 @@ function image_permission() {
 }
 
 /**
+ * Implements hook_hook_info().
+ */
+function image_hook_info() {
+  $functions = array(
+    'image_effect_info',
+    'image_effect_info_alter',
+    'image_style_save',
+    'image_style_delete',
+    'image_style_flush',
+    'image_styles_alter',
+    'image_default_styles',
+  );
+  foreach ($functions as $function) {
+    $hooks[$function] = array('group' => 'image');
+  }
+  return $hooks;
+}
+
+/**
  * Implements hook_form_FORM_ID_alter().
  */
 function image_form_system_file_system_settings_alter(&$form, &$form_state) {