MAINT: Remove workaround for gh-10891

1 files changed, 8 insertions, 12 deletions

diff --git a/numpy/core/tests/test_multiarray.py b/numpy/core/tests/test_multiarray.py
index 00dfa6ada..3c5f90cfc 100644
--- a/numpy/core/tests/test_multiarray.py
+++ b/numpy/core/tests/test_multiarray.py
@@ -6522,20 +6522,16 @@ class TestNewBufferProtocol(object):
         a = np.empty((1,) * 32)
         self._check_roundtrip(a)
 
-    def _make_ctype(shape, scalar_type):
-        t = scalar_type
-        for dim in shape[::-1]:
-            t = dim * t
-        return t
-
-    # This creates deeply nested reference cycles that cause
-    # np.lib.tests.test_io.test_load_refcount to erroneously fail (gh-10891).
-    # Not making it a local ensure that the GC doesn't touch it during the tests
-    c_u8_33d = _make_ctype((1,)*33, ctypes.c_uint8)
-
     def test_error_too_many_dims(self):
+        def make_ctype(shape, scalar_type):
+            t = scalar_type
+            for dim in shape[::-1]:
+                t = dim * t
+            return t
+
         # construct a memoryview with 33 dimensions
-        m = memoryview(self.c_u8_33d())
+        c_u8_33d = make_ctype((1,)*33, ctypes.c_uint8)
+        m = memoryview(c_u8_33d())
         assert_equal(m.ndim, 33)
 
         assert_raises_regex(