diff --git a/src/sql/workbench/services/notebook/browser/models/cell.ts b/src/sql/workbench/services/notebook/browser/models/cell.ts
index e9fe3ca827..d713f8f5ca 100644
--- a/src/sql/workbench/services/notebook/browser/models/cell.ts
+++ b/src/sql/workbench/services/notebook/browser/models/cell.ts
@@ -718,6 +718,10 @@ export class CellModel extends Disposable implements ICellModel {
 				if (this._outputs.length > 0) {
 					for (let i = 0; i < this._outputs.length; i++) {
 						if (this._outputs[i].output_type === 'execute_result') {
+							// Deletes transient node in the serialized JSON
+							// "Optional transient data introduced in 5.1. Information not to be persisted to a notebook or other documents."
+							// (https://jupyter-client.readthedocs.io/en/stable/messaging.html)
+							delete output['transient'];
 							this._outputs.splice(i, 0, this.rewriteOutputUrls(output));
 							this.fireOutputsChanged();
 							added = true;