From 4ba5d946f2a73a67c9ef5d27c104f109f4504675 Mon Sep 17 00:00:00 2001
From: Ryan McKinley <ryantxu@gmail.com>
Date: Sun, 8 Dec 2019 16:13:14 -0800
Subject: [PATCH] DataSource: remove delta option (#20949)

---
 packages/grafana-data/src/types/datasource.ts | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/packages/grafana-data/src/types/datasource.ts b/packages/grafana-data/src/types/datasource.ts
index a239b84ed73..22b023f1cfe 100644
--- a/packages/grafana-data/src/types/datasource.ts
+++ b/packages/grafana-data/src/types/datasource.ts
@@ -423,16 +423,6 @@ export interface DataStreamState {
    */
   error?: DataQueryError;
 
-  /**
-   * @deprecated: DO NOT USE IN ANYTHING NEW!!!!
-   *
-   * merging streaming rows should be handled in the DataSource
-   * and/or we should add metadata to this state event that
-   * indicates that the PanelQueryRunner should manage the row
-   * additions.
-   */
-  delta?: DataFrame[];
-
   /**
    * Stop listening to this stream
    */