diff --git a/video_filter.module b/video_filter.module
index b21ad7b..76a1487 100644
--- a/video_filter.module
+++ b/video_filter.module
@@ -418,7 +418,6 @@ function video_filter_theme($existing, $type, $theme, $path) {
  */
 function video_filter_get_classes($video) {
   $classes = array(
-    'video-filter',
     // Add codec name.
     'video-' . $video['codec']['codec_name'],
   );