diff --git a/spacy/tests/pipeline/test_tagger.py b/spacy/tests/pipeline/test_tagger.py
index b1b52b9fa..a1aa7e1e1 100644
--- a/spacy/tests/pipeline/test_tagger.py
+++ b/spacy/tests/pipeline/test_tagger.py
@@ -28,8 +28,6 @@ def test_tagger_begin_training_tag_map():
 
 TAGS = ("N", "V", "J")
 
-MORPH_RULES = {"V": {"like": {"lemma": "luck"}}}
-
 TRAIN_DATA = [
     ("I like green eggs", {"tags": ["N", "V", "J", "N"]}),
     ("Eat blue ham", {"tags": ["V", "J", "N"]}),