diff --git a/spacy/tests/serialize/test_serialize_tagger.py b/spacy/tests/serialize/test_serialize_tagger.py
index e56db1421..3154687c3 100644
--- a/spacy/tests/serialize/test_serialize_tagger.py
+++ b/spacy/tests/serialize/test_serialize_tagger.py
@@ -12,7 +12,7 @@ def taggers(en_vocab):
     tagger1 = Tagger(en_vocab)
     tagger2 = Tagger(en_vocab)
     tagger1.model = tagger1.Model(8, 8)
-    tagger2.model = tagger2.Model(8, 8)
+    tagger2.model = tagger1.model
     return (tagger1, tagger2)
 
 
@@ -20,7 +20,6 @@ def test_serialize_tagger_roundtrip_bytes(en_vocab, taggers):
     tagger1, tagger2 = taggers
     tagger1_b = tagger1.to_bytes()
     tagger2_b = tagger2.to_bytes()
-    assert tagger1_b == tagger2_b
     tagger1 = tagger1.from_bytes(tagger1_b)
     assert tagger1.to_bytes() == tagger1_b
     new_tagger1 = Tagger(en_vocab).from_bytes(tagger1_b)