diff --git a/x-pack/plugins/task_manager/task_store.ts b/x-pack/plugins/task_manager/task_store.ts
index a6e8c32c3987..dede3c7848bb 100644
--- a/x-pack/plugins/task_manager/task_store.ts
+++ b/x-pack/plugins/task_manager/task_store.ts
@@ -15,8 +15,6 @@ import {
 import { Logger } from './lib/logger';
 import { ConcreteTaskInstance, ElasticJs, TaskInstance, TaskStatus } from './task';
 
-const DOC_TYPE = '_doc';
-
 export interface StoreOpts {
   callCluster: ElasticJs;
   getKibanaUuid: () => string;
@@ -173,30 +171,28 @@ export class TaskStore {
       body: {
         index_patterns: [this.index],
         mappings: {
-          [DOC_TYPE]: {
-            dynamic: false,
-            properties: {
-              type: { type: 'keyword' },
-              task: {
-                properties: {
-                  taskType: { type: 'keyword' },
-                  scheduledAt: { type: 'date' },
-                  runAt: { type: 'date' },
-                  interval: { type: 'text' },
-                  attempts: { type: 'integer' },
-                  status: { type: 'keyword' },
-                  params: { type: 'text' },
-                  state: { type: 'text' },
-                  user: { type: 'keyword' },
-                  scope: { type: 'keyword' },
-                },
+          dynamic: false,
+          properties: {
+            type: { type: 'keyword' },
+            task: {
+              properties: {
+                taskType: { type: 'keyword' },
+                scheduledAt: { type: 'date' },
+                runAt: { type: 'date' },
+                interval: { type: 'text' },
+                attempts: { type: 'integer' },
+                status: { type: 'keyword' },
+                params: { type: 'text' },
+                state: { type: 'text' },
+                user: { type: 'keyword' },
+                scope: { type: 'keyword' },
               },
-              kibana: {
-                properties: {
-                  apiVersion: { type: 'integer' }, // 1, 2, 3, etc
-                  uuid: { type: 'keyword' }, //
-                  version: { type: 'integer' }, // 7000099, etc
-                },
+            },
+            kibana: {
+              properties: {
+                apiVersion: { type: 'integer' }, // 1, 2, 3, etc
+                uuid: { type: 'keyword' }, //
+                version: { type: 'integer' }, // 7000099, etc
               },
             },
           },