diff --git a/.gitignore b/.gitignore
index 6d65e72f12..80510a3129 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,10 @@ js-*.h
 .v8-build-64
 .icu-build-64
 .mruby-build-64
+.libev-build-32
+.v8-build-32
+.icu-build-32
+.mruby-build-32
 .setup-mr-directories
 .setup-js-directories