diff --git a/application/palemoon/app/profile/palemoon.js b/application/palemoon/app/profile/palemoon.js
index a239946668..83265c55f7 100644
--- a/application/palemoon/app/profile/palemoon.js
+++ b/application/palemoon/app/profile/palemoon.js
@@ -19,12 +19,6 @@
 #define UNIX_BUT_NOT_MAC
 #endif
 
-#ifdef XP_WIN
-lock_pref("browser.tabs.remote", false);
-lock_pref("browser.tabs.remote.force-enable", false);
-lock_pref("extensions.e10sBlocksEnabling", true);
-#endif
-
 pref("browser.chromeURL","chrome://browser/content/");
 pref("browser.hiddenWindowChromeURL", "chrome://browser/content/hiddenWindow.xul");