diff --git a/Formula/cmake.rb b/Formula/cmake.rb
index 28cfad6020..362f32ef16 100644
--- a/Formula/cmake.rb
+++ b/Formula/cmake.rb
@@ -1,5 +1,3 @@
-require "formula"
-
 class NoExpatFramework < Requirement
   def expat_framework
     "/Library/Frameworks/expat.framework"