diff --git a/test/inductor/test_max_autotune.py b/test/inductor/test_max_autotune.py
index d94dd81b4673a..5d3855aa73e93 100644
--- a/test/inductor/test_max_autotune.py
+++ b/test/inductor/test_max_autotune.py
@@ -3450,6 +3450,11 @@ def setUpClass(cls):
             )
         )
 
+    @classmethod
+    def tearDownClass(cls):
+        cls._stack.close()
+        super().tearDownClass()
+
     def check_code(self, code_str, num_kernels, num_allocs, num_deallocs):
         FileCheck().check(get_func_call()).check_count(
             get_kernel_launch(),
@@ -3943,6 +3948,11 @@ def setUpClass(cls):
             )
         )
 
+    @classmethod
+    def tearDownClass(cls):
+        cls._stack.close()
+        super().tearDownClass()
+
     @contextlib.contextmanager
     def get_common_patches(self, async_compile: bool, persistent_tma: bool):
         common_patches = (