diff --git a/mibios/ops/settings.py b/mibios/ops/settings.py
index 06e74c15..02df91f2 100644
--- a/mibios/ops/settings.py
+++ b/mibios/ops/settings.py
@@ -28,7 +28,6 @@
 
 # SECURE_HSTS_SECONDS = ??  (TODO)
 SECURE_CONTENT_TYPE_NOSNIFF = True
-SECURE_BROWSER_XSS_FILTER = True
 SECURE_SSL_REDIRECT = True  # set to False for runserver command
 SESSION_COOKIE_SECURE = True
 CSRF_COOKIE_SECURE = True