diff --git a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments.cy.ts b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments.cy.ts
index 5dbf14796c583..21a67b7fb4ea4 100644
--- a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments.cy.ts
+++ b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments.cy.ts
@@ -42,8 +42,7 @@ import {
 } from '../../../../../tasks/alert_assignments';
 import { ALERTS_COUNT } from '../../../../../screens/alerts';
 
-// Failing: See https://github.com/elastic/kibana/issues/173429
-describe.skip('Alert user assignment - ESS & Serverless', { tags: ['@ess', '@serverless'] }, () => {
+describe('Alert user assignment - ESS & Serverless', { tags: ['@ess', '@serverless'] }, () => {
   before(() => {
     cy.task('esArchiverLoad', { archiveName: 'auditbeat_multiple' });
 
diff --git a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_complete.cy.ts b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_complete.cy.ts
index 72afcb304f893..f026e4b2262e4 100644
--- a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_complete.cy.ts
+++ b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_complete.cy.ts
@@ -20,8 +20,7 @@ import {
   loadPageAs,
 } from '../../../../../tasks/alert_assignments';
 
-// FLAKY: https://github.com/elastic/kibana/issues/172557
-describe.skip(
+describe(
   'Alert user assignment - Serverless Complete',
   {
     tags: ['@serverless'],
diff --git a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_essentials.cy.ts b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_essentials.cy.ts
index 5ae60a01a0e8b..f8bbf2620a542 100644
--- a/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_essentials.cy.ts
+++ b/x-pack/test/security_solution_cypress/cypress/e2e/detection_response/detection_engine/detection_alerts/assignments/assignments_serverless_essentials.cy.ts
@@ -20,8 +20,7 @@ import {
   loadPageAs,
 } from '../../../../../tasks/alert_assignments';
 
-// FLAKY: https://github.com/elastic/kibana/issues/172520
-describe.skip(
+describe(
   'Alert user assignment - Serverless Essentials',
   {
     tags: ['@serverless'],