diff --git a/.gitignore b/.gitignore
index 737bda54b..b98640811 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,3 +89,6 @@ src/Makefile
 src/testing
 src/third_party/lss
 src/third_party/protobuf
+
+# Ignore generated files.
+/build
\ No newline at end of file