diff --git a/testing/web-platform/tests/css/css-fonts/font-display/font-display-ref.html b/testing/web-platform/tests/css/css-fonts/font-display/font-display-ref.html
index 2b894ed78c0e..d75644e351fd 100644
--- a/testing/web-platform/tests/css/css-fonts/font-display/font-display-ref.html
+++ b/testing/web-platform/tests/css/css-fonts/font-display/font-display-ref.html
@@ -14,7 +14,6 @@
 <tr>
  <th>T[sec]</th>
  <th>delay[sec]</th>
- <th>auto</th>
  <th>block</th>
  <th>swap</th>
  <th>fallback</th>
@@ -24,7 +23,6 @@
  <td>0</td>
  <td>1</td>
  <td></td>
- <td></td>
  <td class="arial">a</td>
  <td></td>
  <td class="arial">a</td>
@@ -36,7 +34,6 @@
  <td class="ahem">a</td>
  <td class="ahem">a</td>
  <td class="ahem">a</td>
- <td class="ahem">a</td>
 </tr>
 <tr>
  <td>1</td>
@@ -44,14 +41,12 @@
  <td class="ahem">a</td>
  <td class="ahem">a</td>
  <td class="ahem">a</td>
- <td class="ahem">a</td>
  <td class="arial">a</td>
 </tr>
 <tr>
  <td>1</td>
  <td>3</td>
  <td></td>
- <td></td>
  <td class="arial">a</td>
  <td class="arial">a</td>
  <td class="arial">a</td>
@@ -62,7 +57,6 @@
  <td class="ahem">a</td>
  <td class="ahem">a</td>
  <td class="ahem">a</td>
- <td class="ahem">a</td>
  <td class="arial">a</td>
 </tr>
 <tr>
@@ -70,7 +64,6 @@
  <td>4</td>
  <td class="ahem">a</td>
  <td class="ahem">a</td>
- <td class="ahem">a</td>
  <td class="arial">a</td>
  <td class="arial">a</td>
 </tr>
@@ -81,6 +74,5 @@
  <td class="arial">a</td>
  <td class="arial">a</td>
  <td class="arial">a</td>
- <td class="arial">a</td>
 </tr>
 </table>
diff --git a/testing/web-platform/tests/css/css-fonts/font-display/font-display.html b/testing/web-platform/tests/css/css-fonts/font-display/font-display.html
index b688bc2ea9d5..a2b62c0676f4 100644
--- a/testing/web-platform/tests/css/css-fonts/font-display/font-display.html
+++ b/testing/web-platform/tests/css/css-fonts/font-display/font-display.html
@@ -13,7 +13,6 @@
  <tr>
   <th>T[sec]</th>
   <th>delay[sec]</th>
-  <th>auto</th>
   <th>block</th>
   <th>swap</th>
   <th>fallback</th>
@@ -21,7 +20,7 @@
  </tr>
 </table>
 <script>
-var fontDisplayValues = ['auto', 'block', 'swap', 'fallback', 'optional'];
+var fontDisplayValues = ['block', 'swap', 'fallback', 'optional'];
 var configs = [{time: 0, delay: 1000},
                {time: 1000, delay: 0},
                {time: 1000, delay: 500},