diff --git a/.gitignore b/.gitignore
index 844f2504025..32317a564c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -91,8 +91,9 @@ network_closure.sh
 /_tmp/
 /doc_tmp/
 
-# Test artifacts produced by Jenkins jobs
+# Test artifacts produced by Prow/kubetest2 jobs
 /_artifacts/
+/_rundir/
 
 # Go dependencies installed on Jenkins
 /_gopath/