diff --git a/layers-samples/proj-layer.html b/layers-samples/proj-layer.html
index df95e7d57..4fd899638 100644
--- a/layers-samples/proj-layer.html
+++ b/layers-samples/proj-layer.html
@@ -97,9 +97,9 @@
 
     function onRequestSession() {
       if (!xrSession) {
-        navigator.xr.requestSession('immersive-vr', {
-          requiredFeatures: ['layers'],
-        }).then(onSessionStarted);
+        // Unlike all other layer types, use of a single projection layer does
+        // not require the 'layers' feature.
+        navigator.xr.requestSession('immersive-vr').then(onSessionStarted);
       } else {
         onEndSession();
       }