diff --git a/src/browser/ui/ReactMount.js b/src/browser/ui/ReactMount.js
index 1855096a52..90899383ad 100644
--- a/src/browser/ui/ReactMount.js
+++ b/src/browser/ui/ReactMount.js
@@ -490,12 +490,10 @@ var ReactMount = {
           // warning is when the container is empty.
           rootElementsByReactRootID[reactRootID] = containerChild;
         } else {
-          // Disabled for now until #3436441 is fixed.
-          //
-          // console.warn(
-          //   'ReactMount: Root element has been removed from its original ' +
-          //   'container. New container:', rootElement.parentNode
-          // );
+          console.warn(
+            'ReactMount: Root element has been removed from its original ' +
+            'container. New container:', rootElement.parentNode
+          );
         }
       }
     }