diff --git a/.gitignore b/.gitignore
index 426ea958..68df0a60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.o
 *.strip
 build/
+stuff/
 doc/*.pdf
 src/*.pyc
 UglifyJS/
@@ -11,7 +12,9 @@ closure-compiler/
 emscripten/
 underscore/
 test262-d067d2f0ca30/
+runtests/node_modules/
 d067d2f0ca30.tar.bz2
+595a36b252ee97110724e6fa89fc92c9aa9a206a.zip
 regfuzz-0.1.tar.gz
 compiler-latest.zip
 compiler.jar