diff --git a/vendors/knockout/src/binding/bindingAttributeSyntax.js b/vendors/knockout/src/binding/bindingAttributeSyntax.js
index 2808b9939..813da9953 100644
--- a/vendors/knockout/src/binding/bindingAttributeSyntax.js
+++ b/vendors/knockout/src/binding/bindingAttributeSyntax.js
@@ -55,7 +55,6 @@ ko.bindingContext = class {
             if (shouldInheritData) {
                 dataItem = self['$data'];
             } else {
-                self['$rawData'] = dataItemOrObservable;
                 self['$data'] = dataItem;
             }