diff --git a/tests/device_tests/test_multisig.py b/tests/device_tests/test_multisig.py
index 4246b50b29..d49d10980f 100644
--- a/tests/device_tests/test_multisig.py
+++ b/tests/device_tests/test_multisig.py
@@ -6,7 +6,7 @@ import binascii
 import itertools
 
 import trezorlib.messages_pb2 as proto
-import trezorlib.ckd_public as ckd_public
+import trezorlib.ckd_public as bip32
 import trezorlib.types_pb2 as proto_types
 from trezorlib.client import CallException
 
@@ -25,7 +25,7 @@ class TestMultisig(common.TrezorTest):
         #key3 = self.client.get_public_node([3])
 
         # xpub:
-        # print(ckd_public.serialize(self.client.get_public_node([]).node))
+        # print(bip32.serialize(self.client.get_public_node([]).node))
         # xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy
 
         # pubkeys:
@@ -41,7 +41,7 @@ class TestMultisig(common.TrezorTest):
         # tx: c6091adf4c0c23982a35899a6e58ae11e703eacd7954f588ed4b9cdefc4dba52
         # input 1: 0.001 BTC
 
-        node = ckd_public.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
+        node = bip32.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
 
         multisig = proto_types.MultisigRedeemScriptType(
                             pubkeys=[proto_types.HDNodePathType(node=node, address_n=[1]),
@@ -135,9 +135,9 @@ class TestMultisig(common.TrezorTest):
         """
 
         # xpub:
-        # print(ckd_public.serialize(self.client.get_public_node([]).node))
+        # print(bip32.serialize(self.client.get_public_node([]).node))
         # xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy
-        node = ckd_public.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
+        node = bip32.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
 
         pubs = []
         for x in range(15):
@@ -191,9 +191,9 @@ class TestMultisig(common.TrezorTest):
         # multisig address: 3E7GDtuHqnqPmDgwH59pVC7AvySiSkbibz
 
         # xpub:
-        # print(ckd_public.serialize(self.client.get_public_node([]).node))
+        # print(bip32.serialize(self.client.get_public_node([]).node))
         # xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy
-        node = ckd_public.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
+        node = bip32.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
 
         multisig = proto_types.MultisigRedeemScriptType(
                             pubkeys=[proto_types.HDNodePathType(node=node, address_n=[1]),
diff --git a/tests/device_tests/test_multisig_change.py b/tests/device_tests/test_multisig_change.py
index d79b210f2f..49ef4de1e7 100644
--- a/tests/device_tests/test_multisig_change.py
+++ b/tests/device_tests/test_multisig_change.py
@@ -4,22 +4,22 @@ import binascii
 import itertools
 
 import trezorlib.messages_pb2 as proto
-import trezorlib.ckd_public as ckd_public
+import trezorlib.ckd_public as bip32
 import trezorlib.types_pb2 as proto_types
 from trezorlib.client import CallException
 
 class TestMultisigChange(common.TrezorTest):
 
-    node_ext1 = ckd_public.deserialize('xpub6E2LkiC2h7icfcjXPFDmwufDRaaTjTRYcS2nD7eGQeFx1WwZxxvCya5GefiJND6ddJnAjzzMusLcCnu6WyhZPrF6e5G71MWjNJVfs6u9csg')
+    node_ext1 = bip32.deserialize('xpub6E2LkiC2h7icfcjXPFDmwufDRaaTjTRYcS2nD7eGQeFx1WwZxxvCya5GefiJND6ddJnAjzzMusLcCnu6WyhZPrF6e5G71MWjNJVfs6u9csg')
     # m/1 => 02c0d0c5fee952620757c6128dbf327c996cd72ed3358d15d6518a1186099bc15e
 
-    node_ext2 = ckd_public.deserialize('xpub6FKKCwdfD85eHmKn7d3mmbhqsHnGkB2n7Hmre29gbnR1cR4U1wrtf2akh1VVqjcTdfkxmwPjQyYPhLLgwBijfFPAYqTZzcjj4awB1BMUxq2')
+    node_ext2 = bip32.deserialize('xpub6FKKCwdfD85eHmKn7d3mmbhqsHnGkB2n7Hmre29gbnR1cR4U1wrtf2akh1VVqjcTdfkxmwPjQyYPhLLgwBijfFPAYqTZzcjj4awB1BMUxq2')
     # m/1 => 0388460dc439f4c8f5bcfc268c36e11b4375cad5c3535c336cfdf8c32c3afad5c1
 
-    node_ext3 = ckd_public.deserialize('xpub69rsKg2fef3GzETrukhsR3U9i4nL3dXKy3cjSpm44Cg8waqrnyupanaLQt4bYjn2HTmH1NusFt9DAh6absMQqE4E66q7EYTyEsorZKXdWWx')
+    node_ext3 = bip32.deserialize('xpub69rsKg2fef3GzETrukhsR3U9i4nL3dXKy3cjSpm44Cg8waqrnyupanaLQt4bYjn2HTmH1NusFt9DAh6absMQqE4E66q7EYTyEsorZKXdWWx')
     # m/1 => 02e0c21e2a7cf00b94c5421725acff97f9826598b91f2340c5ddda730caca7d648
 
-    node_int = ckd_public.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
+    node_int = bip32.deserialize('xpub661MyMwAqRbcF1zGijBb2K6x9YiJPh58xpcCeLvTxMX6spkY3PcpJ4ABcCyWfskq5DDxM3e6Ez5ePCqG5bnPUXR4wL8TZWyoDaUdiWW7bKy')
     # m/1 => 0338d78612e990f2eea0c426b5e48a8db70b9d7ed66282b3b26511e0b1c75515a6
 
     # ext1 + ext2 + int