diff --git a/Optional-Hardening.md b/Optional-Hardening.md
index d9788d7..43e1250 100644
--- a/Optional-Hardening.md
+++ b/Optional-Hardening.md
@@ -44,16 +44,6 @@ user_pref("extensions.formautofill.creditCards.enabled", false);
 
 ***
 
-### Firefox Strict mode
-Enable [Strict](https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop#w_strict-enhanced-tracking-protection) Enhanced Tracking Protection.
-
-```javascript
-// PREF: enforce ETP Strict
-user_pref("browser.contentblocking.category", "strict");
-```
-
-***
-
 ### Block embedded social posts on webpages
 This matches the default behavior of [Strict](https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop#w_strict-enhanced-tracking-protection) Enhanced Tracking Protection.
 ```javascript