Remove xml node and containing parent node that has a specific string

datacleaner.py

import xml.etree.ElementTree as ET
tree = ET.parse('testdata.xml')
root = tree.getroot()

for parentNode in root.findall('ParentXMLTag'):
    childNode = parentNode.find('ChildXMLTag').text
    search_string = "Lorem Ipsum"
    if childNode == search_string:
        root.remove(parentNode)

tree.write('cleaned_data_output.xml')