diff --git a/.gitignore b/.gitignore
index 9ed279d9d74..29ba4cab3be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,7 +60,6 @@ config.mk
 /rt/
 /rustllvm/
 /test/
-/build
 /inst/
 /mingw-build/
 src/.DS_Store