diff --git a/Library/Homebrew/requirements/tuntap_requirement.rb b/Library/Homebrew/requirements/tuntap_requirement.rb
index 0c66a115f5..76f1744a23 100644
--- a/Library/Homebrew/requirements/tuntap_requirement.rb
+++ b/Library/Homebrew/requirements/tuntap_requirement.rb
@@ -2,9 +2,8 @@ require "requirement"
 
 class TuntapRequirement < Requirement
   fatal true
-  default_formula "tuntap"
   cask "tuntap"
-  satisfy(:build_env => false) { self.class.binary_tuntap_installed? || Formula["tuntap"].installed? }
+  satisfy(:build_env => false) { self.class.binary_tuntap_installed? }
 
   def self.binary_tuntap_installed?
     %w[