diff --git a/tests/test_format.py b/tests/test_format.py
index 41b7113..c18def6 100644
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -29,9 +29,3 @@ def test_format_cost_dollars() -> None:
 
 def test_format_cost_thousands() -> None:
     assert format_cost(1240.50) == "$1,240.50"
-
-
-def test_format_tokens() -> None:
-    assert format_tokens(0) == "0"
-    assert format_tokens(1234) == "1,234"
-    assert format_tokens(1_234_567) == "1,234,567"