diff --git a/tests/integration/cli/commands/test_pep_751.py b/tests/integration/cli/commands/test_pep_751.py
index 3c0293f08..10cc4127a 100644
--- a/tests/integration/cli/commands/test_pep_751.py
+++ b/tests/integration/cli/commands/test_pep_751.py
@@ -675,16 +675,6 @@ def pdm_exported_pylock_toml(shared_integration_test_tmpdir):
                     )
                 )
 
-            with open(os.path.join(chroot.work_dir, "constraints.txt"), "w") as fp:
-                fp.write(
-                    dedent(
-                        """\
-                        # hishel 1.0.0 breaks pdm as of 10/28/2025.
-                        hishel<1
-                        """
-                    )
-                )
-
             def run_pdm(*args):
                 # type: (*str) -> None
                 subprocess.check_call(
@@ -694,8 +684,6 @@ def run_pdm(*args):
                         "run",
                         "--from",
                         "pdm>=2.24.2",
-                        "--constraints",
-                        "constraints.txt",
                         "pdm",
                     ]
                     + list(args),