diff --git a/bin/tests/system/.gitignore b/bin/tests/system/.gitignore
index e27cf5efaa..e2daf1cef5 100644
--- a/bin/tests/system/.gitignore
+++ b/bin/tests/system/.gitignore
@@ -2,7 +2,6 @@
 .hypothesis
 .mypy_cache
 __pycache__
-_last_test_run
 dig.out*
 rndc.out*
 nsupdate.out*