diff --git a/core/src/main/resources/org/apache/spark/ui/static/webui.css b/core/src/main/resources/org/apache/spark/ui/static/webui.css
index cdf85bfbf326f..68c52ac09b55a 100644
--- a/core/src/main/resources/org/apache/spark/ui/static/webui.css
+++ b/core/src/main/resources/org/apache/spark/ui/static/webui.css
@@ -171,6 +171,6 @@ span.additional-metric-title {
 
 /* Hide all additional metrics by default. This is done here rather than using JavaScript to
  * avoid slow page loads for stage pages with large numbers (e.g., thousands) of tasks. */
-.scheduler_delay, .gc_time, .deserialization_time, .serialization_time, .getting_result_time {
+.scheduler_delay, .deserialization_time, .serialization_time, .getting_result_time {
   display: none;
 }
diff --git a/core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala b/core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala
index bfa54f8492068..09a936c2234c0 100644
--- a/core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala
+++ b/core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala
@@ -132,13 +132,6 @@ private[ui] class StagePage(parent: StagesTab) extends WebUIPage("stage") {
                   <span class="additional-metric-title">Task Deserialization Time</span>
                 </span>
               </li>
-              <li>
-                <span data-toggle="tooltip"
-                      title={ToolTips.GC_TIME} data-placement="right">
-                  <input type="checkbox" name={TaskDetailsClassNames.GC_TIME}/>
-                  <span class="additional-metric-title">GC Time</span>
-                </span>
-              </li>
               <li>
                 <span data-toggle="tooltip"
                       title={ToolTips.RESULT_SERIALIZATION_TIME} data-placement="right">
@@ -168,7 +161,7 @@ private[ui] class StagePage(parent: StagesTab) extends WebUIPage("stage") {
           ("Executor ID / Host", ""), ("Launch Time", ""), ("Duration", ""),
           ("Scheduler Delay", TaskDetailsClassNames.SCHEDULER_DELAY),
           ("Task Deserialization Time", TaskDetailsClassNames.TASK_DESERIALIZATION_TIME),
-          ("GC Time", TaskDetailsClassNames.GC_TIME),
+          ("GC Time", ""),
           ("Result Serialization Time", TaskDetailsClassNames.RESULT_SERIALIZATION_TIME),
           ("Getting Result Time", TaskDetailsClassNames.GETTING_RESULT_TIME)) ++
         {if (hasAccumulators) Seq(("Accumulators", "")) else Nil} ++
@@ -308,7 +301,7 @@ private[ui] class StagePage(parent: StagesTab) extends WebUIPage("stage") {
             <tr class={TaskDetailsClassNames.TASK_DESERIALIZATION_TIME}>
               {deserializationQuantiles}
             </tr>
-            <tr class={TaskDetailsClassNames.GC_TIME}>{gcQuantiles}</tr>,
+            <tr>{gcQuantiles}</tr>,
             <tr class={TaskDetailsClassNames.RESULT_SERIALIZATION_TIME}>
               {serializationQuantiles}
             </tr>,
@@ -429,7 +422,7 @@ private[ui] class StagePage(parent: StagesTab) extends WebUIPage("stage") {
             class={TaskDetailsClassNames.TASK_DESERIALIZATION_TIME}>
           {UIUtils.formatDuration(taskDeserializationTime.toLong)}
         </td>
-        <td sorttable_customkey={gcTime.toString} class={TaskDetailsClassNames.GC_TIME}>
+        <td sorttable_customkey={gcTime.toString}>
           {if (gcTime > 0) UIUtils.formatDuration(gcTime) else ""}
         </td>
         <td sorttable_customkey={serializationTime.toString}
diff --git a/core/src/main/scala/org/apache/spark/ui/jobs/TaskDetailsClassNames.scala b/core/src/main/scala/org/apache/spark/ui/jobs/TaskDetailsClassNames.scala
index ca942c4051c84..2d13bb6ddde42 100644
--- a/core/src/main/scala/org/apache/spark/ui/jobs/TaskDetailsClassNames.scala
+++ b/core/src/main/scala/org/apache/spark/ui/jobs/TaskDetailsClassNames.scala
@@ -24,9 +24,8 @@ package org.apache.spark.ui.jobs
  * If new optional metrics are added here, they should also be added to the end of webui.css
  * to have the style set to "display: none;" by default.
  */
-private object TaskDetailsClassNames {
+private[spark] object TaskDetailsClassNames {
   val SCHEDULER_DELAY = "scheduler_delay"
-  val GC_TIME = "gc_time"
   val TASK_DESERIALIZATION_TIME = "deserialization_time"
   val RESULT_SERIALIZATION_TIME = "serialization_time"
   val GETTING_RESULT_TIME = "getting_result_time"