diff --git a/Library/Homebrew/extend/ENV/super.rb b/Library/Homebrew/extend/ENV/super.rb
index 63522022e0..6351449ca8 100644
--- a/Library/Homebrew/extend/ENV/super.rb
+++ b/Library/Homebrew/extend/ENV/super.rb
@@ -95,9 +95,6 @@ module Superenv
     self["HOMEBREW_CXX"] = super
   end
 
-  def effective_sysroot
-  end
-
   def determine_cxx
     determine_cc.to_s.gsub("gcc", "g++").gsub("clang", "clang++")
   end