diff --git a/test/core_d12.py b/test/core_d12.py
index b0ff5fcc0..c25fbb856 100644
--- a/test/core_d12.py
+++ b/test/core_d12.py
@@ -33,3 +33,4 @@ t.run_build_system("-ffile.jam -d2")
 t.fail_test(t.stdout().find("a all") == -1)
 t.fail_test(t.stdout().find("b all") == -1)
 
+t.cleanup()
diff --git a/v2/test/core_d12.py b/v2/test/core_d12.py
index b0ff5fcc0..c25fbb856 100644
--- a/v2/test/core_d12.py
+++ b/v2/test/core_d12.py
@@ -33,3 +33,4 @@ t.run_build_system("-ffile.jam -d2")
 t.fail_test(t.stdout().find("a all") == -1)
 t.fail_test(t.stdout().find("b all") == -1)
 
+t.cleanup()