diff --git a/lms/static/sass/course/layout/_courseware_preview.scss b/lms/static/sass/course/layout/_courseware_preview.scss
index 2779390bf2..b913b78f1e 100644
--- a/lms/static/sass/course/layout/_courseware_preview.scss
+++ b/lms/static/sass/course/layout/_courseware_preview.scss
@@ -163,6 +163,10 @@
       }
       b {
         padding-right: ($baseline/5);
+
+        &.timer-hidden {
+          visibility: hidden;
+        }
       }
     }
   }
diff --git a/lms/templates/courseware/proctored-exam-status.underscore b/lms/templates/courseware/proctored-exam-status.underscore
index bf7c815a86..f19cee8151 100644
--- a/lms/templates/courseware/proctored-exam-status.underscore
+++ b/lms/templates/courseware/proctored-exam-status.underscore
@@ -20,7 +20,7 @@
         </span>
         <span class="sr timer-announce" aria-live="assertive"></span>
         <span class="exam-timer-clock">
-            <span id="time_remaining_id" style="visibility: visible;">
+            <span id="time_remaining_id">
                 <b>
                 </b>
             </span>