diff --git a/src/legacy/ui/public/courier/fetch/get_search_params.ts b/src/legacy/ui/public/courier/fetch/get_search_params.ts
index 21cdbf97945c5..9fb8f2c728c6f 100644
--- a/src/legacy/ui/public/courier/fetch/get_search_params.ts
+++ b/src/legacy/ui/public/courier/fetch/get_search_params.ts
@@ -40,11 +40,11 @@ export function getSearchParams(config: IUiSettingsClient, esShardTimeout: numbe
   };
 }
 
-export function getIgnoreThrottled(config: IUiSettingsClient) {
+function getIgnoreThrottled(config: IUiSettingsClient) {
   return !config.get('search:includeFrozen');
 }
 
-export function getMaxConcurrentShardRequests(config: IUiSettingsClient) {
+function getMaxConcurrentShardRequests(config: IUiSettingsClient) {
   const maxConcurrentShardRequests = config.get('courier:maxConcurrentShardRequests');
   return maxConcurrentShardRequests > 0 ? maxConcurrentShardRequests : undefined;
 }
diff --git a/src/legacy/ui/public/courier/index.ts b/src/legacy/ui/public/courier/index.ts
index 3c16926d2aba7..c8a06ec2a5518 100644
--- a/src/legacy/ui/public/courier/index.ts
+++ b/src/legacy/ui/public/courier/index.ts
@@ -17,8 +17,31 @@
  * under the License.
  */
 
-export * from './fetch';
-export * from './search_source';
-export * from './search_strategy';
-export * from './utils/courier_inspector_utils';
-export * from './types';
+export { SearchSource } from './search_source';
+
+// TODO: Exporting this mock outside of jest tests causes errors because
+// jest is undefined. Need to refactor the mock to be consistent with
+// other NP-style mocks.
+// export { searchSourceMock } from './search_source/mocks';
+
+export {
+  addSearchStrategy, // used externally by Rollups
+  getSearchErrorType, // used externally by Rollups
+  hasSearchStategyForIndexPattern, // used externally by Discover
+  isDefaultTypeIndexPattern, // used externally by Discover
+  SearchError, // used externally by Visualizations & Rollups
+} from './search_strategy';
+
+export {
+  getRequestInspectorStats,
+  getResponseInspectorStats,
+} from './utils/courier_inspector_utils';
+
+// types
+export { SearchSourceContract } from './search_source';
+
+export {
+  EsQuerySortValue, // used externally by Discover
+  FetchOptions, // used externally by AggTypes
+  SortDirection, // used externally by Discover
+} from './types';
diff --git a/src/legacy/ui/public/courier/utils/courier_inspector_utils.ts b/src/legacy/ui/public/courier/utils/courier_inspector_utils.ts
index 2c47fae4cce37..b4d5d5537333e 100644
--- a/src/legacy/ui/public/courier/utils/courier_inspector_utils.ts
+++ b/src/legacy/ui/public/courier/utils/courier_inspector_utils.ts
@@ -28,7 +28,7 @@ import { i18n } from '@kbn/i18n';
 import { SearchResponse } from 'elasticsearch';
 import { SearchSourceContract, RequestInspectorStats } from '../types';
 
-function getRequestInspectorStats(searchSource: SearchSourceContract) {
+export function getRequestInspectorStats(searchSource: SearchSourceContract) {
   const stats: RequestInspectorStats = {};
   const index = searchSource.getField('index');
 
@@ -56,7 +56,8 @@ function getRequestInspectorStats(searchSource: SearchSourceContract) {
 
   return stats;
 }
-function getResponseInspectorStats(
+
+export function getResponseInspectorStats(
   searchSource: SearchSourceContract,
   resp: SearchResponse<unknown>
 ) {
@@ -121,5 +122,3 @@ function getResponseInspectorStats(
 
   return stats;
 }
-
-export { getRequestInspectorStats, getResponseInspectorStats };