diff --git a/.gitignore b/.gitignore
index c9cbf7c53500636b299a99acf45a1996c6c4d9ac..03d603cbd430281c5974c17b8e33b895b28beaa2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,7 +27,6 @@
 **/Cargo.lock
 **/Cargo.toml
 /.cipd
-build/
 buildtools/
 compile_commands.json
 cscope.*