diff --git a/view/adminhtml/web/js/variations/variations.js b/view/adminhtml/web/js/variations/variations.js
--- a/view/adminhtml/web/js/variations/variations.js
+++ b/view/adminhtml/web/js/variations/variations.js
@@ -327,11 +327,9 @@ define([
         serializeData: function () {
             this.source.data["product"]["configurable-matrix-serialized"] =
                 JSON.stringify(this.source.data["configurable-matrix"]);
-            delete this.source.data["configurable-matrix"];
 
             this.source.data["product"]["associated_product_ids_serialized"] =
                 JSON.stringify(this.source.data["associated_product_ids"]);
-            delete this.source.data["associated_product_ids"];
         },
 
         /**