diff --git a/gallery_dl/text.py b/gallery_dl/text.py
index f139173b..e20aa515 100644
--- a/gallery_dl/text.py
+++ b/gallery_dl/text.py
@@ -13,29 +13,8 @@ import html
 import datetime
 import urllib.parse
 
-
 HTML_RE = re.compile("<[^>]+>")
 
-INVALID_XML_CHARS = (
-    "\x00", "\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07",
-    "\x08", "\x0b", "\x0c", "\x0e", "\x0f", "\x10", "\x11", "\x12",
-    "\x13", "\x14", "\x15", "\x16", "\x17", "\x18", "\x19", "\x1a",
-    "\x1b", "\x1c", "\x1d", "\x1e", "\x1f",
-)
-
-
-def clean_xml(xmldata, repl=""):
-    """Replace/Remove invalid control characters in 'xmldata'"""
-    if not isinstance(xmldata, str):
-        try:
-            xmldata = "".join(xmldata)
-        except TypeError:
-            return ""
-    for char in INVALID_XML_CHARS:
-        if char in xmldata:
-            xmldata = xmldata.replace(char, repl)
-    return xmldata
-
 
 def remove_html(txt, repl=" ", sep=" "):
     """Remove html-tags from a string"""
diff --git a/test/test_text.py b/test/test_text.py
index 72091fdc..675a04cf 100644
--- a/test/test_text.py
+++ b/test/test_text.py
@@ -23,29 +23,6 @@ INVALID_ALT = ((), [], {}, None, "")
 
 class TestText(unittest.TestCase):
 
-    def test_clean_xml(self, f=text.clean_xml):
-        # standard usage
-        self.assertEqual(f(""), "")
-        self.assertEqual(f("foo"), "foo")
-        self.assertEqual(f("\tfoo\nbar\r"), "\tfoo\nbar\r")
-        self.assertEqual(f("<foo>\ab\ba\fr\v</foo>"), "<foo>bar</foo>")
-
-        # 'repl' argument
-        repl = "#"
-        self.assertEqual(f("", repl), "")
-        self.assertEqual(f("foo", repl), "foo")
-        self.assertEqual(f("\tfoo\nbar\r", repl), "\tfoo\nbar\r")
-        self.assertEqual(
-            f("<foo>\ab\ba\fr\v</foo>", repl), "<foo>#b#a#r#</foo>")
-
-        # removal of all illegal control characters
-        value = "".join(chr(x) for x in range(32))
-        self.assertEqual(f(value), "\t\n\r")
-
-        # 'invalid' arguments
-        for value in INVALID:
-            self.assertEqual(f(value), "")
-
     def test_remove_html(self, f=text.remove_html):
         result = "Hello World."