diff --git a/support/testing/tests/package/test_python_ml_dtypes.py b/support/testing/tests/package/test_python_ml_dtypes.py
index 8d2369576b..8367107247 100644
--- a/support/testing/tests/package/test_python_ml_dtypes.py
+++ b/support/testing/tests/package/test_python_ml_dtypes.py
@@ -4,16 +4,9 @@ from tests.package.test_python import TestPythonPackageBase
 class TestPythonPy3MlDtypes(TestPythonPackageBase):
     __test__ = True
 
-    # Note: BR2_PACKAGE_PYTHON3_ZLIB=y is needed as a runtime
-    # dependency because the Bootlin toolchain used for this test is
-    # tainted with zlib (and gets detected by python3/numpy).
-    # See commit 8ce33fed "package/gdb: gdbserver does not need zlib".
-    # This config entry can be removed as soon as the toolchain is
-    # updated without zlib in its sysroot.
     config = TestPythonPackageBase.config + \
         """
         BR2_PACKAGE_PYTHON3=y
-        BR2_PACKAGE_PYTHON3_ZLIB=y
         BR2_PACKAGE_PYTHON_ML_DTYPES=y
         """
     sample_scripts = ["tests/package/sample_python_ml_dtypes.py"]