diff --git a/README.md b/README.md
index 8c1b1ad..51de334 100644
--- a/README.md
+++ b/README.md
@@ -26,15 +26,6 @@ It has also some changes in order to improve fingerprinting like canvas.poisonda
 
 Try changing "network.http.referer.XOriginPolicy" from 2 to 1
 
-`Performance loss?`
-
-Change these strings from false to true:
-
-javascript.options.ion
-
-javascript.options.baselinejit
-
-javascript.options.native_regexp
 
 ## Thanks: