diff --git a/tools/printdata.py b/tools/printdata.py
index f4b7ab4e..a3b12e49 100755
--- a/tools/printdata.py
+++ b/tools/printdata.py
@@ -35,13 +35,6 @@ for data in ucd.parse_ucd_data(ucd_rootdir, 'PropList'):
 for data in ucd.parse_ucd_data(ucd_rootdir, 'Scripts'):
 	for codepoint in data['Range']:
 		unicode_chars[codepoint]['Script'] = data['Script']
-for data in ucd.parse_ucd_data('supplemental', 'Klingon'):
-	for codepoint in data['CodePoint']:
-		unicode_chars[codepoint] = data
-		unicode_chars[codepoint]['Properties'] = []
-		unicode_chars[codepoint]['UpperCase'] = ucd.CodePoint('0000')
-		unicode_chars[codepoint]['LowerCase'] = ucd.CodePoint('0000')
-		unicode_chars[codepoint]['TitleCase'] = ucd.CodePoint('0000')
 
 null = ucd.CodePoint('0000')
 if __name__ == '__main__':