diff --git a/core/tests/test_trezor.crypto.tropic.py b/core/tests/test_trezor.crypto.tropic.py
index ce7c5dec60..1170e3aa43 100644
--- a/core/tests/test_trezor.crypto.tropic.py
+++ b/core/tests/test_trezor.crypto.tropic.py
@@ -11,9 +11,6 @@ class TestCryptoTropic(unittest.TestCase):
     def test_get_certificate(self):
         self.assertEqual(len(tropic.get_certificate()), 512)
 
-    def test_get_random(self):
-        self.assertEqual(len(tropic.random_get(10)), 10)
-
     def test_sign(self):
         try:
             tropic.sign(0, "ASD")
@@ -21,13 +18,6 @@ class TestCryptoTropic(unittest.TestCase):
         except ValueError as e:
             self.assertIn("invalid length", str(e).lower())
 
-        # signing needs to fail because we don't have a key!
-        try:
-            tropic.sign(0, "a" * 32)
-            assert False
-        except tropic.TropicError as e:
-            self.assertIn("sign failed", str(e).lower())
-
         tropic.key_generate(0)
 
         # signing should work now that we have a key