diff --git a/examples/learning/helloworld.html b/examples/learning/helloworld.html
index c7e76766e1ed7..4142ef6f5a81e 100644
--- a/examples/learning/helloworld.html
+++ b/examples/learning/helloworld.html
@@ -10,9 +10,6 @@ <h1>'Hello, world!' example</h1>
 
 <canvas id="the-canvas" style="border:1px  solid black"></canvas>
 
-<!-- for legacy browsers add compatibility.js -->
-<!--<script src="../../node_modules/pdfjs-dist/web/compatibility.js"></script>-->
-
 <script src="../../node_modules/pdfjs-dist/build/pdf.js"></script>
 
 <script id="script">
diff --git a/examples/learning/prevnext.html b/examples/learning/prevnext.html
index 244ca5f50bcb9..af55bd0303c49 100644
--- a/examples/learning/prevnext.html
+++ b/examples/learning/prevnext.html
@@ -19,9 +19,6 @@ <h1>'Previous/Next' example</h1>
   <canvas id="the-canvas" style="border:1px solid black"></canvas>
 </div>
 
-<!-- for legacy browsers add compatibility.js -->
-<!--<script src="../compatibility.js"></script>-->
-
 <script src="../../node_modules/pdfjs-dist/build/pdf.js"></script>
 
 <script id="script">