diff --git a/src/middleware/security-headers.middleware.js b/src/middleware/security-headers.middleware.js
index 005ed730..dea4b8aa 100644
--- a/src/middleware/security-headers.middleware.js
+++ b/src/middleware/security-headers.middleware.js
@@ -26,8 +26,7 @@ function securityHeadersMiddleware(req, res, next) {
       "frame-ancestors 'none'",
       "base-uri 'self'",
       "form-action 'self'",
-      "upgrade-insecure-requests",
-      "block-all-mixed-content"
+      "upgrade-insecure-requests"
     ].join('; ')
   );