diff --git a/src/legacy/core_plugins/apm_oss/index.d.ts b/src/legacy/core_plugins/apm_oss/index.d.ts
deleted file mode 100644
index 86fe4e0350dce9..00000000000000
--- a/src/legacy/core_plugins/apm_oss/index.d.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-export interface ApmOssPlugin {
-  indexPatterns: string[];
-}
diff --git a/src/legacy/core_plugins/apm_oss/index.js b/src/legacy/core_plugins/apm_oss/index.js
deleted file mode 100644
index b7ab6797c0de91..00000000000000
--- a/src/legacy/core_plugins/apm_oss/index.js
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Licensed to Elasticsearch B.V. under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch B.V. licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import _ from 'lodash';
-
-export default function apmOss(kibana) {
-  return new kibana.Plugin({
-    id: 'apm_oss',
-
-    config(Joi) {
-      return Joi.object({
-        // enable plugin
-        enabled: Joi.boolean().default(true),
-
-        // Kibana Index pattern
-        indexPattern: Joi.string().default('apm-*'),
-
-        // ES Indices
-        sourcemapIndices: Joi.string().default('apm-*'),
-        errorIndices: Joi.string().default('apm-*'),
-        transactionIndices: Joi.string().default('apm-*'),
-        spanIndices: Joi.string().default('apm-*'),
-        metricsIndices: Joi.string().default('apm-*'),
-        onboardingIndices: Joi.string().default('apm-*'),
-      }).default();
-    },
-
-    init(server) {
-      server.expose(
-        'indexPatterns',
-        _.uniq(
-          [
-            'sourcemapIndices',
-            'errorIndices',
-            'transactionIndices',
-            'spanIndices',
-            'metricsIndices',
-            'onboardingIndices',
-          ].map((type) => server.config().get(`apm_oss.${type}`))
-        )
-      );
-    },
-  });
-}
diff --git a/src/legacy/core_plugins/apm_oss/package.json b/src/legacy/core_plugins/apm_oss/package.json
deleted file mode 100644
index 4ca161f293e79e..00000000000000
--- a/src/legacy/core_plugins/apm_oss/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "apm_oss",
-  "version": "kibana"
-}
diff --git a/src/legacy/server/kbn_server.d.ts b/src/legacy/server/kbn_server.d.ts
index 23c7d9dc91d52d..9bb091383ab131 100644
--- a/src/legacy/server/kbn_server.d.ts
+++ b/src/legacy/server/kbn_server.d.ts
@@ -43,7 +43,6 @@ import {
 import { LegacyConfig, ILegacyService, ILegacyInternals } from '../../core/server/legacy';
 // eslint-disable-next-line @kbn/eslint/no-restricted-paths
 import { UiPlugins } from '../../core/server/plugins';
-import { ApmOssPlugin } from '../core_plugins/apm_oss';
 import { CallClusterWithRequest, ElasticsearchPlugin } from '../core_plugins/elasticsearch';
 import { UsageCollectionSetup } from '../../plugins/usage_collection/server';
 import { UiSettingsServiceFactoryOptions } from '../../legacy/ui/ui_settings/ui_settings_service_factory';
@@ -62,7 +61,6 @@ declare module 'hapi' {
     elasticsearch: ElasticsearchPlugin;
     kibana: any;
     spaces: any;
-    apm_oss?: ApmOssPlugin;
     // add new plugin types here
   }