diff --git a/packages/test-helpers/canonicalize_html.js b/packages/test-helpers/canonicalize_html.js
index f4869b7487..73db66ecda 100644
--- a/packages/test-helpers/canonicalize_html.js
+++ b/packages/test-helpers/canonicalize_html.js
@@ -16,6 +16,10 @@ canonicalizeHtml = function(html) {
     attrs = attrs.replace(/sizcache[0-9]+="[^"]*"/g, ' ');
     // Similarly for expando properties used by jQuery to track data.
     attrs = attrs.replace(/jQuery[0-9]+="[0-9]+"/g, ' ');
+    // Similarly for expando properties used to DomBackend to keep
+    // track of callbacks to fire when an element is removed
+    attrs = attrs.replace(/\$meteor_ui_removal_callbacks="[^"]*"/g, ' ');
+
     attrs = attrs.replace(/\s*=\s*/g, '=');
     attrs = attrs.replace(/^\s+/g, '');
     attrs = attrs.replace(/\s+$/g, '');