diff --git a/x-pack/test/security_api_integration/tests/session_idle/cleanup.ts b/x-pack/test/security_api_integration/tests/session_idle/cleanup.ts
index c4302b7637923..f288bc925123e 100644
--- a/x-pack/test/security_api_integration/tests/session_idle/cleanup.ts
+++ b/x-pack/test/security_api_integration/tests/session_idle/cleanup.ts
@@ -33,7 +33,8 @@ export default function ({ getService }: FtrProviderContext) {
     return (await es.search({ index: '.kibana_security_session*' })).hits.total.value;
   }
 
-  describe('Session Idle cleanup', () => {
+  // FLAKY: https://github.com/elastic/kibana/issues/76239
+  describe.skip('Session Idle cleanup', () => {
     beforeEach(async () => {
       await es.cluster.health({ index: '.kibana_security_session*', waitForStatus: 'green' });
       await es.deleteByQuery({