diff --git a/scrapy/utils/url.py b/scrapy/utils/url.py
index a3e1bde63..2c7b324a1 100644
--- a/scrapy/utils/url.py
+++ b/scrapy/utils/url.py
@@ -12,6 +12,7 @@ from six.moves.urllib.parse import (ParseResult, urldefrag, urlparse, urlunparse
 # scrapy.utils.url was moved to w3lib.url and import * ensures this
 # move doesn't break old code
 from w3lib.url import *
+from w3lib.url import _safe_chars, _unquotepath  # noqa: F401
 from scrapy.utils.python import to_unicode