diff --git a/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.test.ts b/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.test.ts
index b6d91b287dd2ef..188fa4b0061c0f 100644
--- a/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.test.ts
+++ b/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.test.ts
@@ -4,7 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { SpacesPlugin } from '../../../../spaces/types';
+import { SpacesPlugin } from '../../../../spaces';
 import { OptionalPlugin } from '../../../../../server/lib/optional_plugin';
 import { checkPrivilegesDynamicallyWithRequestFactory } from './check_privileges_dynamically';
 
@@ -18,6 +18,10 @@ test(`checkPrivileges.atSpace when spaces is enabled`, async () => {
   const mockSpaces = {
     isEnabled: true,
     getSpaceId: jest.fn().mockReturnValue(spaceId),
+    spaceIdToNamespace: jest.fn(),
+    namespaceToSpaceId: jest.fn(),
+    getBasePath: jest.fn(),
+    getScopedSpacesClient: jest.fn(),
   } as OptionalPlugin<SpacesPlugin>;
   const request = Symbol();
   const privilegeOrPrivileges = ['foo', 'bar'];
diff --git a/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.ts b/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.ts
index 5778ccbc76affa..537bc07f8e80c2 100644
--- a/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.ts
+++ b/x-pack/legacy/plugins/security/server/lib/authorization/check_privileges_dynamically.ts
@@ -4,6 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import { Legacy } from 'kibana';
 import { CheckPrivilegesAtResourceResponse, CheckPrivilegesWithRequest } from './check_privileges';
 
 /*
@@ -12,7 +13,7 @@ import { CheckPrivilegesAtResourceResponse, CheckPrivilegesWithRequest } from '.
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { SpacesPlugin } from '../../../../spaces/types';
+import { SpacesPlugin } from '../../../../spaces';
 import { OptionalPlugin } from '../../../../../server/lib/optional_plugin';
 
 export type CheckPrivilegesDynamically = (
@@ -20,14 +21,14 @@ export type CheckPrivilegesDynamically = (
 ) => Promise<CheckPrivilegesAtResourceResponse>;
 
 export type CheckPrivilegesDynamicallyWithRequest = (
-  request: Record<string, any>
+  request: Legacy.Request
 ) => CheckPrivilegesDynamically;
 
 export function checkPrivilegesDynamicallyWithRequestFactory(
   checkPrivilegesWithRequest: CheckPrivilegesWithRequest,
   spaces: OptionalPlugin<SpacesPlugin>
 ): CheckPrivilegesDynamicallyWithRequest {
-  return function checkPrivilegesDynamicallyWithRequest(request: Record<string, any>) {
+  return function checkPrivilegesDynamicallyWithRequest(request: Legacy.Request) {
     const checkPrivileges = checkPrivilegesWithRequest(request);
     return async function checkPrivilegesDynamically(privilegeOrPrivileges: string | string[]) {
       if (spaces.isEnabled) {
diff --git a/x-pack/legacy/plugins/security/server/lib/authorization/service.ts b/x-pack/legacy/plugins/security/server/lib/authorization/service.ts
index f0274056e25056..8ab90e3a7018c8 100644
--- a/x-pack/legacy/plugins/security/server/lib/authorization/service.ts
+++ b/x-pack/legacy/plugins/security/server/lib/authorization/service.ts
@@ -7,7 +7,7 @@
 import { Server } from 'hapi';
 
 import { getClient } from '../../../../../server/lib/get_client_shield';
-import { SpacesPlugin } from '../../../../spaces/types';
+import { SpacesPlugin } from '../../../../spaces';
 import { XPackFeature, XPackMainPlugin } from '../../../../xpack_main/xpack_main';
 import { APPLICATION_PREFIX } from '../../../common/constants';
 import { OptionalPlugin } from '../../../../../server/lib/optional_plugin';
diff --git a/x-pack/legacy/plugins/spaces/index.ts b/x-pack/legacy/plugins/spaces/index.ts
index 9bc5293a3475ed..f583e6d07f9158 100644
--- a/x-pack/legacy/plugins/spaces/index.ts
+++ b/x-pack/legacy/plugins/spaces/index.ts
@@ -23,6 +23,16 @@ import {
 } from './server/new_platform/plugin';
 import { initSpacesRequestInterceptors } from './server/lib/request_interceptors';
 import { SecurityPlugin } from '../security';
+import { SpacesServiceSetup } from './server/new_platform/spaces_service/spaces_service';
+
+export interface SpacesPlugin {
+  getSpaceId: SpacesServiceSetup['getSpaceId'];
+  spaceIdToNamespace: SpacesServiceSetup['spaceIdToNamespace'];
+  namespaceToSpaceId: SpacesServiceSetup['namespaceToSpaceId'];
+  getBasePath: SpacesServiceSetup['getBasePath'];
+  getScopedSpacesClient: SpacesServiceSetup['scopedClient'];
+}
+
 export const spaces = (kibana: Record<string, any>) =>
   new kibana.Plugin({
     id: 'spaces',
diff --git a/x-pack/legacy/plugins/spaces/types.d.ts b/x-pack/legacy/plugins/spaces/types.d.ts
deleted file mode 100644
index 98a20203c13c12..00000000000000
--- a/x-pack/legacy/plugins/spaces/types.d.ts
+++ /dev/null
@@ -1,10 +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 { Request } from 'hapi';
-
-export interface SpacesPlugin {
-  getSpaceId(request: Record<string, any>): string;
-}