diff --git a/modules/image/image.module b/modules/image/image.module
index 4ca0e34958002882bd2d37c718c6aee67fb21299..23f2e9b5dc1be641e8047d42317566588a2d8f6c 100644
--- a/modules/image/image.module
+++ b/modules/image/image.module
@@ -189,7 +189,6 @@ function image_theme() {
         'alt' => '',
         'title' => NULL,
         'attributes' => array(),
-        'getsize' => TRUE,
       ),
     ),
 
@@ -1082,8 +1081,6 @@ function image_effect_apply($image, $effect) {
  *   - title: The title text is displayed when the image is hovered in some
  *     popular browsers.
  *   - attributes: Associative array of attributes to be placed in the img tag.
- *   - getsize: If set to TRUE, the image's dimension are fetched and added as
- *     width/height attributes.
  *
  * @ingroup themeable
  */
@@ -1091,7 +1088,6 @@ function theme_image_style($variables) {
   $style_name = $variables['style_name'];
   $path = $variables['path'];
 
-  // theme_image() can only honor the $getsize parameter with local file paths.
   // The derivative image is not created until it has been requested so the file
   // may not yet exist, in this case we just fallback to the URL.
   $style_path = image_style_path($style_name, $path);
diff --git a/modules/image/image.test b/modules/image/image.test
index 33c1000c14881e4e05d17636aa418ac53975ff80..7529add7525078e0e88d70fae691ca922e382607 100644
--- a/modules/image/image.test
+++ b/modules/image/image.test
@@ -695,7 +695,6 @@ class ImageFieldDisplayTestCase extends ImageFieldTestCase {
     // image style callback paths.
     $this->drupalGet(image_style_url('thumbnail', $image_uri));
     $image_info['path'] = image_style_path('thumbnail', $image_uri);
-    $image_info['getsize'] = FALSE;
     $default_output = theme('image', $image_info);
     $this->drupalGet('node/' . $nid);
     $this->assertRaw($default_output, t('Image style thumbnail formatter displaying correctly on full node view.'));
diff --git a/modules/system/system.admin.inc b/modules/system/system.admin.inc
index 3be8ea1840fb19ae8801f3ecb85e9d24ef4b2feb..d40a6e070236e22e6eb7c45ee5709a958957369a 100644
--- a/modules/system/system.admin.inc
+++ b/modules/system/system.admin.inc
@@ -158,7 +158,6 @@ function system_themes_page() {
           'alt' => t('Screenshot for !theme theme', array('!theme' => $theme->info['name'])),
           'title' => t('Screenshot for !theme theme', array('!theme' => $theme->info['name'])),
           'attributes' => array('class' => array('screenshot')),
-          'getsize' => FALSE,
         );
         break;
       }