diff --git a/src/plugins/data/server/search/search_service.ts b/src/plugins/data/server/search/search_service.ts
index e756016f61d59a..e1be1e64fd6ee2 100644
--- a/src/plugins/data/server/search/search_service.ts
+++ b/src/plugins/data/server/search/search_service.ts
@@ -328,7 +328,7 @@ export class SearchService implements Plugin<ISearchSetup, ISearchStart> {
 
   private deleteSession = async (deps: SearchStrategyDependencies, sessionId: string) => {
     this.cancelSessionSearches(deps, sessionId);
-    const response = await deps.searchSessionsClient.delete(sessionId);
+    return deps.searchSessionsClient.delete(sessionId);
   };
 
   private extendSession = async (
diff --git a/src/plugins/data/server/search/session/mocks.ts b/src/plugins/data/server/search/session/mocks.ts
index f75ba6fcc66206..aab5e93d31d3b1 100644
--- a/src/plugins/data/server/search/session/mocks.ts
+++ b/src/plugins/data/server/search/session/mocks.ts
@@ -21,5 +21,6 @@ export function createSearchSessionsClientMock<T = unknown>(): jest.Mocked<
     update: jest.fn(),
     cancel: jest.fn(),
     extend: jest.fn(),
+    delete: jest.fn(),
   };
 }