diff --git a/trezorlib/tests/device_tests/test_basic.py b/trezorlib/tests/device_tests/test_basic.py
index 162b715..902b385 100644
--- a/trezorlib/tests/device_tests/test_basic.py
+++ b/trezorlib/tests/device_tests/test_basic.py
@@ -26,8 +26,6 @@ class TestBasic(TrezorTest):
     def test_features(self):
         f0 = self.client.features
         f1 = self.client.call(messages.Initialize())
-        del f0.state
-        del f1.state
         assert f0 == f1
 
     def test_ping(self):
diff --git a/trezorlib/tests/device_tests/test_basic_state.py b/trezorlib/tests/device_tests/test_basic_state.py
deleted file mode 100644
index db48684..0000000
--- a/trezorlib/tests/device_tests/test_basic_state.py
+++ /dev/null
@@ -1,40 +0,0 @@
-# This file is part of the TREZOR project.
-#
-# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
-# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
-#
-# This library is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library.  If not, see <http://www.gnu.org/licenses/>.
-
-from .common import *
-
-from trezorlib import messages
-
-
-class TestBasicState(TrezorTest):
-
-    def test_state_uninitialized(self):
-        self.client.wipe_device()
-        f0 = self.client.call(messages.Initialize())
-        f1 = self.client.call(messages.Initialize())
-        assert f0.state != f1.state
-        f2 = self.client.call(messages.Initialize(state=f1.state))
-        assert f1.state == f2.state
-
-    def test_state_initialized(self):
-        self.setup_mnemonic_nopin_passphrase()
-        f0 = self.client.call(messages.Initialize())
-        f1 = self.client.call(messages.Initialize())
-        assert f0.state != f1.state
-        f2 = self.client.call(messages.Initialize(state=f1.state))
-        assert f1.state == f2.state