diff --git a/tests/test_clean.py b/tests/test_clean.py
index 133cd82..4dcb9f4 100644
--- a/tests/test_clean.py
+++ b/tests/test_clean.py
@@ -597,31 +597,16 @@ def test_attributes_list():
         {'protocols': ['http']},
         '<a href="example.com">valid</a>'
     ),
-    (
-        '<a href="example.com:8000">valid</a>',
-        {'protocols': ['http']},
-        '<a href="example.com:8000">valid</a>'
-    ),
     (
         '<a href="localhost">valid</a>',
         {'protocols': ['http']},
         '<a href="localhost">valid</a>'
     ),
-    (
-        '<a href="localhost:8000">valid</a>',
-        {'protocols': ['http']},
-        '<a href="localhost:8000">valid</a>'
-    ),
     (
         '<a href="192.168.100.100">valid</a>',
         {'protocols': ['http']},
         '<a href="192.168.100.100">valid</a>'
     ),
-    (
-        '<a href="192.168.100.100:8000">valid</a>',
-        {'protocols': ['http']},
-        '<a href="192.168.100.100:8000">valid</a>'
-    ),
 
     # Disallow implicit http if disallowed
     (
