diff --git a/testing/scripts/doc/example-diff-canonifier.py b/testing/scripts/doc/example-diff-canonifier.py
deleted file mode 100755
index e0b8c110cc..0000000000
--- a/testing/scripts/doc/example-diff-canonifier.py
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/python
-
-import sys
-import re
-
-# MutableVal derivatives (e.g. sets/tables) don't always generate the same
-# ordering in the reST documentation, so just don't bother diffing
-# the places where example.bro uses them.
-
-RE1 = "\d*/tcp"
-RE2 = "tcp port \d*"
-
-for line in sys.stdin.readlines():
-    if re.search(RE1, line) is None and re.search(RE2, line) is None:
-        print line