diff --git a/hatch_build.py b/hatch_build.py
index 4c0e7f377112e..39c9a79da19ba 100644
--- a/hatch_build.py
+++ b/hatch_build.py
@@ -240,7 +240,6 @@
         "blinker>=1.7.0",
     ],
     "devel-static-checks": [
-        "astunparse>=1.6.3; python_version < '3.9'",
         "black>=23.12.0",
         "pre-commit>=3.5.0",
         "ruff==0.7.1",
diff --git a/scripts/ci/pre_commit/check_deferrable_default.py b/scripts/ci/pre_commit/check_deferrable_default.py
index a007739083ab4..bfde61f231643 100755
--- a/scripts/ci/pre_commit/check_deferrable_default.py
+++ b/scripts/ci/pre_commit/check_deferrable_default.py
@@ -25,12 +25,6 @@
 import sys
 from typing import Iterator
 
-if hasattr(ast, "unparse"):
-    # Py 3.9+
-    unparse = ast.unparse
-else:
-    from astunparse import unparse  # type: ignore[no-redef]
-
 import libcst as cst
 from libcst.codemod import CodemodContext
 from libcst.codemod.visitors import AddImportsVisitor
@@ -84,7 +78,7 @@ def leave_Param(self, original_node: cst.Param, updated_node: cst.Param) -> cst.
 
 def _is_valid_deferrable_default(default: ast.AST) -> bool:
     """Check whether default is 'conf.getboolean("operators", "default_deferrable", fallback=False)'"""
-    return unparse(default) == "conf.getboolean('operators', 'default_deferrable', fallback=False)"
+    return ast.unparse(default) == "conf.getboolean('operators', 'default_deferrable', fallback=False)"
 
 
 def iter_check_deferrable_default_errors(module_filename: str) -> Iterator[str]: