diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json
index 48a6900415..8085ed0c1b 100644
--- a/metrics/grafana/tidb.json
+++ b/metrics/grafana/tidb.json
@@ -13079,111 +13079,6 @@
             "align": false,
             "alignLevel": null
           }
-        },
-        {
-          "aliasColors": {},
-          "bars": false,
-          "dashLength": 10,
-          "dashes": false,
-          "datasource": "${DS_TEST-CLUSTER}",
-          "description": "Speed of add index",
-          "editable": true,
-          "error": false,
-          "fieldConfig": {
-            "defaults": {},
-            "overrides": []
-          },
-          "fill": 1,
-          "fillGradient": 0,
-          "grid": {},
-          "gridPos": {
-            "h": 7,
-            "w": 12,
-            "x": 0,
-            "y": 48
-          },
-          "hiddenSeries": false,
-          "id": 266,
-          "legend": {
-            "alignAsTable": true,
-            "avg": false,
-            "current": false,
-            "hideEmpty": true,
-            "hideZero": true,
-            "max": true,
-            "min": false,
-            "rightSide": true,
-            "show": true,
-            "total": false,
-            "values": true
-          },
-          "lines": true,
-          "linewidth": 2,
-          "links": [],
-          "nullPointMode": "null as zero",
-          "options": {
-            "alertThreshold": true
-          },
-          "percentage": false,
-          "pluginVersion": "7.5.11",
-          "pointradius": 5,
-          "points": false,
-          "renderer": "flot",
-          "seriesOverrides": [],
-          "spaceLength": 10,
-          "stack": false,
-          "steppedLine": false,
-          "targets": [
-            {
-              "expr": "sum(rate(tidb_ddl_add_index_total{k8s_cluster=\"$k8s_cluster\", tidb_cluster=\"$tidb_cluster\", instance=~\"$instance\"}[1m])) by (type)",
-              "format": "time_series",
-              "intervalFactor": 2,
-              "legendFormat": "{{type}}",
-              "refId": "A",
-              "step": 40
-            }
-          ],
-          "thresholds": [],
-          "timeFrom": null,
-          "timeRegions": [],
-          "timeShift": null,
-          "title": "Add Index Speed",
-          "tooltip": {
-            "msResolution": false,
-            "shared": true,
-            "sort": 0,
-            "value_type": "cumulative"
-          },
-          "type": "graph",
-          "xaxis": {
-            "buckets": null,
-            "mode": "time",
-            "name": null,
-            "show": true,
-            "values": []
-          },
-          "yaxes": [
-            {
-              "format": "short",
-              "label": null,
-              "logBase": 1,
-              "max": null,
-              "min": "0",
-              "show": true
-            },
-            {
-              "format": "short",
-              "label": null,
-              "logBase": 1,
-              "max": null,
-              "min": null,
-              "show": true
-            }
-          ],
-          "yaxis": {
-            "align": false,
-            "alignLevel": null
-          }
         }
       ],
       "repeat": null,