diff --git a/bin/brew b/bin/brew
index f0f041bb18..e687d011d9 100755
--- a/bin/brew
+++ b/bin/brew
@@ -53,7 +53,6 @@ HOMEBREW_VERSION: #{HOMEBREW_VERSION}
 HEAD: #{sha}
 HOMEBREW_PREFIX: #{HOMEBREW_PREFIX}
 HOMEBREW_CELLAR: #{HOMEBREW_CELLAR}
-HOMEBREW_CACHE: #{HOMEBREW_CACHE}
 HOMEBREW_REPOSITORY: #{HOMEBREW_REPOSITORY}
 HOMEBREW_LIBRARY_PATH: #{HOMEBREW_LIBRARY_PATH}
 Hardware: #{cores}-core #{bits}-bit #{Hardware.intel_family}