diff --git a/TOOLS/dylib-unhell.py b/TOOLS/dylib-unhell.py
index 3d6e7ecae0..c1a5cb142f 100755
--- a/TOOLS/dylib-unhell.py
+++ b/TOOLS/dylib-unhell.py
@@ -6,7 +6,6 @@ import sys
 import shutil
 import subprocess
 import json
-from distutils.dir_util import copy_tree
 from functools import partial
 
 sys_re = re.compile("^/System")