1 files changed, 0 insertions, 9 deletions
diff --git a/browser/components/customizableui/CustomizableUI.jsm b/browser/components/customizableui/CustomizableUI.jsm
index 01389108d..cb0f519b2 100644
--- a/browser/components/customizableui/CustomizableUI.jsm
+++ b/browser/components/customizableui/CustomizableUI.jsm
@@ -207,15 +207,6 @@ var CustomizableUIInternal = {
       panelPlacements.splice(-1, 0, "developer-button");
     }
 
-    if (AppConstants.E10S_TESTING_ONLY) {
-      if (gPalette.has("e10s-button")) {
-        let newWindowIndex = panelPlacements.indexOf("new-window-button");
-        if (newWindowIndex > -1) {
-          panelPlacements.splice(newWindowIndex + 1, 0, "e10s-button");
-        }
-      }
-    }
-
     let showCharacterEncoding = Services.prefs.getComplexValue(
       "browser.menu.showCharacterEncoding",
       Ci.nsIPrefLocalizedString