diff --git a/test_wheel_steps.py b/test_wheel_steps.py
deleted file mode 100644
index db80470..0000000
--- a/test_wheel_steps.py
+++ /dev/null
@@ -1,26 +0,0 @@
-import quisk_utils
-
-
-def test_wheel_step_rounds_half_steps_toward_zero():
-    assert quisk_utils.wheel_step(120, 120, 50) == 50
-    assert quisk_utils.wheel_step(-120, 120, 50) == -50
-    assert quisk_utils.wheel_step(180, 120, 50) == 50
-    assert quisk_utils.wheel_step(-180, 120, 50) == -50
-
-
-def test_wheel_step_preserves_whole_multiple_steps():
-    assert quisk_utils.wheel_step(240, 120, 50) == 100
-    assert quisk_utils.wheel_step(-240, 120, 50) == -100
-    assert quisk_utils.wheel_step(180, 120, 1) == 1
-    assert quisk_utils.wheel_step(-180, 120, 1) == -1
-
-
-def test_wheel_step_handles_zero_delta():
-    assert quisk_utils.wheel_step(180, 0, 50) == 0
-
-
-if __name__ == '__main__':
-    test_wheel_step_rounds_half_steps_toward_zero()
-    test_wheel_step_preserves_whole_multiple_steps()
-    test_wheel_step_handles_zero_delta()
-    print('wheel_step ok')
\ No newline at end of file