diff --git a/Formula/freetds.rb b/Formula/freetds.rb
index 4846fc57743..0a700e64d26 100644
--- a/Formula/freetds.rb
+++ b/Formula/freetds.rb
@@ -5,10 +5,8 @@ class Freetds < Formula
   url 'http://mirrors.ibiblio.org/freetds/stable/freetds-0.91.tar.gz'
   sha1 '3ab06c8e208e82197dc25d09ae353d9f3be7db52'
 
-  option 'with-unixodbc', "Compile against unixODBC"
-
   depends_on "pkg-config" => :build
-  depends_on "unixodbc" if build.include? "with-unixodbc"
+  depends_on "unixodbc" => :optional
 
   def install
     args = %W[--prefix=#{prefix}