diff --git a/ee/app/assets/javascripts/pages/security/dashboard/show/index.js b/ee/app/assets/javascripts/pages/security/dashboard/show/index.js
index f8414202b0c1cbd743d1b16ffc1a59135443b35e..329268e68250a0b36cffe40bec811a58b4aea51c 100644
--- a/ee/app/assets/javascripts/pages/security/dashboard/show/index.js
+++ b/ee/app/assets/javascripts/pages/security/dashboard/show/index.js
@@ -1,6 +1,4 @@
 import initSecurityCharts from 'ee/security_dashboard/security_charts_init';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
 
-document.addEventListener('DOMContentLoaded', () => {
-  initSecurityCharts(document.getElementById('js-security'), DASHBOARD_TYPES.INSTANCE);
-});
+initSecurityCharts(document.getElementById('js-security'), DASHBOARD_TYPES.INSTANCE);
diff --git a/ee/changelogs/unreleased/defer-optimization-for-security-dashboard-show.yml b/ee/changelogs/unreleased/defer-optimization-for-security-dashboard-show.yml
new file mode 100644
index 0000000000000000000000000000000000000000..64bb13b1b6d94827991f74cda6ba047d81ecdc17
--- /dev/null
+++ b/ee/changelogs/unreleased/defer-optimization-for-security-dashboard-show.yml
@@ -0,0 +1,5 @@
+---
+title: Removed DOMContentLoaded Eventlistener from ee/app/assets/javascripts/pages/security/dashboard/show/index.js
+merge_request: 47515
+author:
+type: changed