diff --git a/Library/Homebrew/config.rbi b/Library/Homebrew/config.rbi
deleted file mode 100644
index 2cab9bf6d5..0000000000
--- a/Library/Homebrew/config.rbi
+++ /dev/null
@@ -1,6 +0,0 @@
-# typed: strict
-
-module EnvVar
-  sig { params(env: String).returns(String) }
-  def self.[](env); end
-end