diff --git a/cupshelpers/openprinting.py b/cupshelpers/openprinting.py
index c616d913..9bb4764c 100755
--- a/cupshelpers/openprinting.py
+++ b/cupshelpers/openprinting.py
@@ -338,7 +338,7 @@ class OpenPrinting:
                     packages = {}
                     container = driver.find ('packages')
                     if container is not None:
-                        for arch in container.getchildren ():
+                        for arch in list(container):
                             rpms = {}
                             for package in arch.findall ('package'):
                                 rpm = {}
@@ -351,7 +351,7 @@ class OpenPrinting:
 
                                 repositories = package.find ('repositories')
                                 if repositories is not None:
-                                    for pkgsys in repositories.getchildren ():
+                                    for pkgsys in list(repositories):
                                         rpm.setdefault('repositories', {})[pkgsys.tag] = pkgsys.text
 
                                 rpms[package.attrib['file']] = rpm
@@ -363,7 +363,7 @@ class OpenPrinting:
                     ppds = []
                     container = driver.find ('ppds')
                     if container is not None:
-                        for each in container.getchildren ():
+                        for each in list(container):
                             ppds.append (each.text)
 
                     if ppds:
diff --git a/cupshelpers/xmldriverprefs.py b/cupshelpers/xmldriverprefs.py
index 4177e1c0..0d02950f 100644
--- a/cupshelpers/xmldriverprefs.py
+++ b/cupshelpers/xmldriverprefs.py
@@ -27,7 +27,7 @@ from .cupshelpers import parseDeviceID
 
 def PreferredDrivers (filename):
     preferreddrivers = xml.etree.ElementTree.XML (open (filename).read ())
-    return preferreddrivers.getchildren()
+    return list(preferreddrivers)
 
 class DeviceIDMatch:
     """
@@ -227,10 +227,10 @@ class DriverTypes:
         """
 
         types = []
-        for drivertype in drivertypes.getchildren ():
+        for drivertype in list(drivertypes):
             t = DriverType (drivertype.attrib["name"])
 
-            for child in drivertype.getchildren ():
+            for child in list(drivertype):
                 if child.tag == "ppdname":
                     t.add_ppd_name (child.attrib["match"])
                 elif child.tag == "attribute":
@@ -238,7 +238,7 @@ class DriverTypes:
                                      child.attrib["match"])
                 elif child.tag == "deviceid":
                     deviceid_match = DeviceIDMatch ()
-                    for field in child.getchildren ():
+                    for field in list(child):
                         if field.tag == "field":
                             deviceid_match.add_field (field.attrib["name"],
                                                       field.attrib["match"])
@@ -414,29 +414,29 @@ class PreferenceOrder:
         Load the policy from an XML file.
         """
 
-        for printer in preferreddrivers.getchildren ():
+        for printer in list(preferreddrivers):
             ptype = PrinterType ()
-            for child in printer.getchildren ():
+            for child in list(printer):
                 if child.tag == "make-and-model":
                     ptype.add_make_and_model (child.attrib["match"])
                 elif child.tag == "deviceid":
                     deviceid_match = DeviceIDMatch ()
-                    for field in child.getchildren ():
+                    for field in list(child):
                         if field.tag == "field":
                             deviceid_match.add_field (field.attrib["name"],
                                                       field.attrib["match"])
                     ptype.add_deviceid_match (deviceid_match)
 
                 elif child.tag == "drivers":
-                    for drivertype in child.getchildren ():
+                    for drivertype in list(child):
                         ptype.add_drivertype_pattern (drivertype.text)
 
                 elif child.tag == "avoid":
-                    for drivertype in child.getchildren ():
+                    for drivertype in list(child):
                         ptype.add_avoidtype_pattern (drivertype.text)
 
                 elif child.tag == "blacklist":
-                    for drivertype in child.getchildren ():
+                    for drivertype in list(child):
                         ptype.add_blacklisted (drivertype.text)
 
             self.ptypes.append (ptype)
diff --git a/xml/validate.py b/xml/validate.py
index 8fc201ec..ba16766d 100644
--- a/xml/validate.py
+++ b/xml/validate.py
@@ -35,23 +35,23 @@ class Validator:
         filename = self._filename
         print ("Validating %s" % filename)
         preferreddrivers = xml.etree.ElementTree.XML (open (filename).read ())
-        (drivertypes, preferenceorder) = preferreddrivers.getchildren ()
+        (drivertypes, preferenceorder) = list(preferreddrivers)
         validates = True
 
         names = set()
-        for drivertype in drivertypes.getchildren ():
+        for drivertype in list(drivertypes):
             name = drivertype.get ("name")
             names.add (name)
 
-        for printer in preferenceorder.getchildren ():
+        for printer in list(preferenceorder):
             types = []
             drivers = printer.find ("drivers")
             if drivers is not None:
-                types.extend (drivers.getchildren ())
+                types.extend (list(drivers))
 
             blacklist = printer.find ("blacklist")
             if blacklist is not None:
-                types.extend (blacklist.getchildren ())
+                types.extend (list(blacklist))
 
             for drivertype in types:
                 pattern = drivertype.text.strip ()