diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 16bec5fab9d3b0a5bfe5ec75a02e1da293fba765..ae0787c52262ab316fefcb93fb5f398464ffbbb3 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -237,7 +237,6 @@ class FormulaInstaller
 
   def install_requirement_default_formula?(req, dependent, build)
     return false unless req.default_formula?
-    return false if build.without?(req) && (req.recommended? || req.optional?)
     return true unless req.satisfied?
     install_bottle_for?(dependent, build) || build_bottle?
   end