diff --git a/selfdrive/locationd/test/test_calibrationd.py b/selfdrive/locationd/test/test_calibrationd.py
index 71cb5ff3b9..030636dcd5 100755
--- a/selfdrive/locationd/test/test_calibrationd.py
+++ b/selfdrive/locationd/test/test_calibrationd.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import json
 import random
 import unittest
 
@@ -10,17 +9,6 @@ from selfdrive.locationd.calibrationd import Calibrator
 
 class TestCalibrationd(unittest.TestCase):
 
-  def test_read_saved_params_json(self):
-    r = [random.random() for _ in range(3)]
-    b = random.randint(1, 10)
-    cal_params = {"calib_radians": r,
-                  "valid_blocks": b}
-    Params().put("CalibrationParams", json.dumps(cal_params).encode('utf8'))
-    c = Calibrator(param_put=True)
-
-    self.assertEqual(r, c.rpy)
-    self.assertEqual(b, c.valid_blocks)
-
   def test_read_saved_params(self):
     msg = messaging.new_message('liveCalibration')
     msg.liveCalibration.validBlocks = random.randint(1, 10)