diff --git a/static/sass/courseware/_video.scss b/static/sass/courseware/_video.scss
index 54c3fd8e95..7130cc8b7b 100644
--- a/static/sass/courseware/_video.scss
+++ b/static/sass/courseware/_video.scss
@@ -368,7 +368,6 @@ section.course-content {
         cursor: pointer;
         margin-bottom: 8px;
         padding: 0;
-        @include transition(all, .5s, ease-in);
 
         &.current {
           color: #333;
@@ -393,7 +392,6 @@ section.course-content {
       }
 
       ol.subtitles {
-        height: 0;
         width: 0px;
       }
     }
@@ -415,7 +413,6 @@ section.course-content {
 
       &.closed {
         ol.subtitles {
-          height: auto;
           right: -(flex-grid(4));
           width: auto;
         }