diff --git a/x-pack/dev-tools/api_debug/apis/kibana_stats/index.js b/x-pack/dev-tools/api_debug/apis/kibana_stats/index.js
index 9a8aac93d5017..14857a5e29e3c 100644
--- a/x-pack/dev-tools/api_debug/apis/kibana_stats/index.js
+++ b/x-pack/dev-tools/api_debug/apis/kibana_stats/index.js
@@ -5,6 +5,6 @@
  */
 
 export const name = 'kibana_stats';
-export const description = 'Get the Kibana usage stats from the Kibana server';
+export const description = 'Get the extended Kibana usage stats from the Kibana server';
 export const method = 'GET';
-export const path = '/api/_kibana/v1/stats';
+export const path = '/api/stats?extended=true';
diff --git a/x-pack/plugins/xpack_main/index.js b/x-pack/plugins/xpack_main/index.js
index 92d300c882186..bff6feb0272ec 100644
--- a/x-pack/plugins/xpack_main/index.js
+++ b/x-pack/plugins/xpack_main/index.js
@@ -15,8 +15,6 @@ import { replaceInjectedVars } from './server/lib/replace_injected_vars';
 import { setupXPackMain } from './server/lib/setup_xpack_main';
 import {
   xpackInfoRoute,
-  xpackUsageRoute,
-  kibanaStatsRoute,
   telemetryRoute,
 } from './server/routes/api/v1';
 import {
@@ -111,8 +109,6 @@ export const xpackMain = (kibana) => {
 
       // register routes
       xpackInfoRoute(server);
-      xpackUsageRoute(server); // To replace kibanaStatsRoute
-      kibanaStatsRoute(server); // Only used internally. Remove in the next major.
       telemetryRoute(server);
     }
   });
diff --git a/x-pack/plugins/xpack_main/server/routes/api/v1/index.js b/x-pack/plugins/xpack_main/server/routes/api/v1/index.js
index 9bedeaf371e29..cb565ee8129b6 100644
--- a/x-pack/plugins/xpack_main/server/routes/api/v1/index.js
+++ b/x-pack/plugins/xpack_main/server/routes/api/v1/index.js
@@ -5,6 +5,4 @@
  */
 
 export { xpackInfoRoute } from './xpack_info';
-export { kibanaStatsRoute } from './kibana_stats';
-export { xpackUsageRoute } from './xpack_usage';
 export { telemetryRoute } from './telemetry';
diff --git a/x-pack/plugins/xpack_main/server/routes/api/v1/kibana_stats.js b/x-pack/plugins/xpack_main/server/routes/api/v1/kibana_stats.js
deleted file mode 100644
index 0ee49cb07214b..0000000000000
--- a/x-pack/plugins/xpack_main/server/routes/api/v1/kibana_stats.js
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-
-/*
- * TODO: remove this API in 7.0
- */
-import { wrap } from 'boom';
-import { callClusterFactory } from '../../../lib/call_cluster_factory';
-import { getKibanaUsageCollector } from '../../../../../monitoring/server/kibana_monitoring/collectors';
-import { getReportingUsageCollector } from '../../../../../reporting/server/usage';
-
-export function kibanaStatsRoute(server) {
-  server.route({
-    path: '/api/_kibana/v1/stats',
-    method: 'GET',
-    handler: async (req, reply) => {
-      const server = req.server;
-      // require that http authentication headers from req are used to read ES data
-      const callCluster = callClusterFactory(server).getCallClusterWithReq(req);
-
-      try {
-        const kibanaUsageCollector = getKibanaUsageCollector(server);
-        const reportingUsageCollector = getReportingUsageCollector(server);
-
-        const [ kibana, reporting ] = await Promise.all([
-          kibanaUsageCollector.fetch(callCluster),
-          reportingUsageCollector.fetch(callCluster),
-        ]);
-
-        reply({
-          kibana,
-          reporting,
-        });
-      } catch(err) {
-        req.log(['error'], err);
-
-        if (err.isBoom) {
-          return reply(err);
-        }
-        reply(wrap(err, err.statusCode, err.message));
-      }
-    }
-  });
-}
diff --git a/x-pack/test/api_integration/apis/xpack_main/index.js b/x-pack/test/api_integration/apis/xpack_main/index.js
index 696e027b52eeb..48af7b25eefe7 100644
--- a/x-pack/test/api_integration/apis/xpack_main/index.js
+++ b/x-pack/test/api_integration/apis/xpack_main/index.js
@@ -7,6 +7,5 @@
 export default function ({ loadTestFile }) {
   describe('xpack_main', () => {
     loadTestFile(require.resolve('./telemetry'));
-    loadTestFile(require.resolve('./usage'));
   });
 }
diff --git a/x-pack/test/api_integration/apis/xpack_main/usage/index.js b/x-pack/test/api_integration/apis/xpack_main/usage/index.js
deleted file mode 100644
index 1c342deade18a..0000000000000
--- a/x-pack/test/api_integration/apis/xpack_main/usage/index.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-
-export default function ({ loadTestFile }) {
-  describe('X-Pack Usage', () => {
-    loadTestFile(require.resolve('./usage'));
-  });
-}
-
diff --git a/x-pack/test/api_integration/apis/xpack_main/usage/usage.js b/x-pack/test/api_integration/apis/xpack_main/usage/usage.js
deleted file mode 100644
index 24f572f99d52c..0000000000000
--- a/x-pack/test/api_integration/apis/xpack_main/usage/usage.js
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License;
- * you may not use this file except in compliance with the Elastic License.
- */
-
-import expect from 'expect.js';
-
-export default function ({ getService }) {
-  const esArchiver = getService('esArchiver');
-  const usageAPI = getService('usageAPI');
-
-  describe('/api/_xpack/usage', () => {
-    before('load archives', async () => {
-      await esArchiver.load('../../../../test/functional/fixtures/es_archiver/dashboard/current/kibana');
-    });
-
-    after(async () => {
-      await esArchiver.unload('../../../../test/functional/fixtures/es_archiver/dashboard/current/kibana');
-    });
-
-    it('should reject without authentication headers passed', async () => {
-      const rejected = await usageAPI.getUsageStatsNoAuth();
-      expect(rejected).to.eql({ statusCode: 401, error: 'Unauthorized' });
-    });
-
-    it('should return xpack usage data', async () => {
-      const usage = await usageAPI.getUsageStats();
-
-      expect(usage.cluster_uuid).to.be.a('string');
-      expect(usage.kibana.dashboard.total).to.be(26);
-      expect(usage.kibana.visualization.total).to.be(47);
-      expect(usage.kibana.search.total).to.be(5);
-      expect(usage.kibana.index_pattern.total).to.be(3);
-      expect(usage.kibana.timelion_sheet.total).to.be(0);
-      expect(usage.kibana.graph_workspace.total).to.be(0);
-    });
-  });
-}
diff --git a/x-pack/test/api_integration/services/usage_api.js b/x-pack/test/api_integration/services/usage_api.js
index 7a53fbfe9391c..e58db15ae86f6 100644
--- a/x-pack/test/api_integration/services/usage_api.js
+++ b/x-pack/test/api_integration/services/usage_api.js
@@ -12,26 +12,18 @@ export function UsageAPIProvider({ getService }) {
   return {
     async getUsageStatsNoAuth() {
       const { body } = await supertestNoAuth
-        .get('/api/_xpack/usage')
+        .get('/api/stats?extended=true')
         .set('kbn-xsrf', 'xxx')
         .expect(401);
-      return body;
+      return body.usage;
     },
 
     async getUsageStats() {
       const { body } = await supertest
-        .get('/api/_xpack/usage')
+        .get('/api/stats?extended=true')
         .set('kbn-xsrf', 'xxx')
         .expect(200);
-      return body;
-    },
-
-    async getUsageStatsFromDeprecatedPre64Endpoint() {
-      const { body } = await supertest
-        .get('/api/_kibana/v1/stats')
-        .set('kbn-xsrf', 'xxx')
-        .expect(200);
-      return body;
+      return body.usage;
     },
   };
 }
diff --git a/x-pack/test/reporting/api/usage.js b/x-pack/test/reporting/api/usage.js
index 8bfed1b2d5594..a2c207c76f63a 100644
--- a/x-pack/test/reporting/api/usage.js
+++ b/x-pack/test/reporting/api/usage.js
@@ -123,29 +123,5 @@ export default function ({ getService }) {
         reportingAPI.expectAllTimeJobTypeTotalStats(usage, 'printable_pdf', 23);
       });
     });
-
-    /* Have to skip this test because the usage stats returned by the legacy
-     * endpoint aren't snake_cased in the legacy usage api. This will be
-     * completely removed in the next PR, when the legacy endpoint is removed
-     */
-    describe.skip('deprecated API', () => {
-      it('shows correct stats', async () => {
-        const usage = await usageAPI.getUsageStatsFromDeprecatedPre64Endpoint();
-
-        reportingAPI.expectRecentPdfAppStats(usage, 'visualization', 2);
-        reportingAPI.expectRecentPdfAppStats(usage, 'dashboard', 2);
-        reportingAPI.expectRecentPdfLayoutStats(usage, 'preserve_layout', 2);
-        reportingAPI.expectRecentPdfLayoutStats(usage, 'print', 2);
-        reportingAPI.expectRecentJobTypeTotalStats(usage, 'csv', 1);
-        reportingAPI.expectRecentJobTypeTotalStats(usage, 'printable_pdf', 4);
-
-        reportingAPI.expectAllTimePdfAppStats(usage, 'visualization', 5);
-        reportingAPI.expectAllTimePdfAppStats(usage, 'dashboard', 5);
-        reportingAPI.expectAllTimePdfLayoutStats(usage, 'preserve_layout', 5);
-        reportingAPI.expectAllTimePdfLayoutStats(usage, 'print', 5);
-        reportingAPI.expectAllTimeJobTypeTotalStats(usage, 'csv', 4);
-        reportingAPI.expectAllTimeJobTypeTotalStats(usage, 'printable_pdf', 23);
-      });
-    });
   });
 }