diff --git a/scripts/rollup/build.js b/scripts/rollup/build.js
index 34184efab63e1f..ee813ae817fcfa 100644
--- a/scripts/rollup/build.js
+++ b/scripts/rollup/build.js
@@ -656,9 +656,6 @@ async function buildEverything() {
       [bundle, NODE_DEV],
       [bundle, NODE_PROD],
       [bundle, NODE_PROFILING],
-      [bundle, FB_WWW_DEV],
-      [bundle, FB_WWW_PROD],
-      [bundle, FB_WWW_PROFILING],
       [bundle, RN_OSS_DEV],
       [bundle, RN_OSS_PROD],
       [bundle, RN_OSS_PROFILING],
@@ -666,6 +663,15 @@ async function buildEverything() {
       [bundle, RN_FB_PROD],
       [bundle, RN_FB_PROFILING]
     );
+
+    if (__EXPERIMENTAL__) {
+      // www uses experimental builds only.
+      bundles.push(
+        [bundle, FB_WWW_DEV],
+        [bundle, FB_WWW_PROD],
+        [bundle, FB_WWW_PROFILING]
+      );
+    }
   }
 
   if (!shouldExtractErrors && process.env.CIRCLE_NODE_TOTAL) {