diff --git a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/finalize_signals_migrations.ts b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/finalize_signals_migrations.ts
index a754966cf18a..774bfb2863dc 100644
--- a/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/finalize_signals_migrations.ts
+++ b/x-pack/test/detection_engine_api_integration/security_and_spaces/tests/finalize_signals_migrations.ts
@@ -47,7 +47,8 @@ export default ({ getService }: FtrProviderContext): void => {
   const supertest = getService('supertest');
   const supertestWithoutAuth = getService('supertestWithoutAuth');
 
-  describe('Finalizing signals migrations', () => {
+  // FAILING ES PROMOTION: https://github.com/elastic/kibana/issues/88302
+  describe.skip('Finalizing signals migrations', () => {
     let legacySignalsIndexName: string;
     let outdatedSignalsIndexName: string;
     let createdMigrations: CreateResponse[];
diff --git a/x-pack/test/lists_api_integration/security_and_spaces/tests/read_list_privileges.ts b/x-pack/test/lists_api_integration/security_and_spaces/tests/read_list_privileges.ts
index c1696d320529..4734448f32df 100644
--- a/x-pack/test/lists_api_integration/security_and_spaces/tests/read_list_privileges.ts
+++ b/x-pack/test/lists_api_integration/security_and_spaces/tests/read_list_privileges.ts
@@ -17,7 +17,8 @@ export default ({ getService }: FtrProviderContext) => {
   const spacesService = getService('spaces');
   const supertestWithoutAuth = getService('supertestWithoutAuth');
 
-  describe('read_list_privileges', () => {
+  // FAILING ES PROMOTION: https://github.com/elastic/kibana/issues/88302
+  describe.skip('read_list_privileges', () => {
     const space1Id = 'space_1';
 
     const user1 = {