diff --git a/trezorlib/messages/Initialize.py b/trezorlib/messages/Initialize.py
index 38e35ec73d..fa3453fca8 100644
--- a/trezorlib/messages/Initialize.py
+++ b/trezorlib/messages/Initialize.py
@@ -6,10 +6,13 @@ class Initialize(p.MessageType):
     MESSAGE_WIRE_TYPE = 0
     FIELDS = {
         1: ('state', p.BytesType, 0),
+        2: ('skip_passphrase', p.BoolType, 0),
     }
 
     def __init__(
         self,
-        state: bytes = None
+        state: bytes = None,
+        skip_passphrase: bool = None
     ) -> None:
         self.state = state
+        self.skip_passphrase = skip_passphrase
diff --git a/trezorlib/messages/LiskMessageSignature.py b/trezorlib/messages/LiskMessageSignature.py
deleted file mode 100644
index b161458386..0000000000
--- a/trezorlib/messages/LiskMessageSignature.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-
-
-class LiskMessageSignature(p.MessageType):
-    MESSAGE_WIRE_TYPE = 119
-    FIELDS = {
-        1: ('address', p.UnicodeType, 0),
-        2: ('signature', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        address: str = None,
-        signature: bytes = None
-    ) -> None:
-        self.address = address
-        self.signature = signature
diff --git a/trezorlib/messages/LiskSignMessage.py b/trezorlib/messages/LiskSignMessage.py
deleted file mode 100644
index 4194c8a6b8..0000000000
--- a/trezorlib/messages/LiskSignMessage.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-if __debug__:
-    try:
-        from typing import List
-    except ImportError:
-        List = None
-
-
-class LiskSignMessage(p.MessageType):
-    MESSAGE_WIRE_TYPE = 118
-    FIELDS = {
-        1: ('address_n', p.UVarintType, p.FLAG_REPEATED),
-        2: ('message', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        address_n: List[int] = None,
-        message: bytes = None
-    ) -> None:
-        self.address_n = address_n if address_n is not None else []
-        self.message = message
diff --git a/trezorlib/messages/LiskVerifyMessage.py b/trezorlib/messages/LiskVerifyMessage.py
deleted file mode 100644
index 235ac3b0f9..0000000000
--- a/trezorlib/messages/LiskVerifyMessage.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-
-
-class LiskVerifyMessage(p.MessageType):
-    MESSAGE_WIRE_TYPE = 120
-    FIELDS = {
-        1: ('signature', p.BytesType, 0),
-        2: ('public_key', p.BytesType, 0),
-        3: ('message', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        signature: bytes = None,
-        public_key: bytes = None,
-        message: bytes = None
-    ) -> None:
-        self.signature = signature
-        self.public_key = public_key
-        self.message = message
diff --git a/trezorlib/messages/MessageType.py b/trezorlib/messages/MessageType.py
index 2c76d2115d..66b2787581 100644
--- a/trezorlib/messages/MessageType.py
+++ b/trezorlib/messages/MessageType.py
@@ -88,18 +88,12 @@ LiskGetAddress = 114
 LiskAddress = 115
 LiskSignTx = 116
 LiskSignedTx = 117
-LiskSignMessage = 118
-LiskMessageSignature = 119
-LiskVerifyMessage = 120
 LiskGetPublicKey = 121
 LiskPublicKey = 122
 StellarGetPublicKey = 200
 StellarPublicKey = 201
 StellarSignTx = 202
 StellarTxOpRequest = 203
-StellarSignMessage = 204
-StellarMessageSignature = 205
-StellarVerifyMessage = 206
 StellarCreateAccountOp = 210
 StellarPaymentOp = 211
 StellarPathPaymentOp = 212
diff --git a/trezorlib/messages/StellarMessageSignature.py b/trezorlib/messages/StellarMessageSignature.py
deleted file mode 100644
index 631a04109c..0000000000
--- a/trezorlib/messages/StellarMessageSignature.py
+++ /dev/null
@@ -1,18 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-
-
-class StellarMessageSignature(p.MessageType):
-    MESSAGE_WIRE_TYPE = 205
-    FIELDS = {
-        1: ('public_key', p.BytesType, 0),
-        2: ('signature', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        public_key: bytes = None,
-        signature: bytes = None
-    ) -> None:
-        self.public_key = public_key
-        self.signature = signature
diff --git a/trezorlib/messages/StellarSignMessage.py b/trezorlib/messages/StellarSignMessage.py
deleted file mode 100644
index 069908c2fa..0000000000
--- a/trezorlib/messages/StellarSignMessage.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-if __debug__:
-    try:
-        from typing import List
-    except ImportError:
-        List = None
-
-
-class StellarSignMessage(p.MessageType):
-    MESSAGE_WIRE_TYPE = 204
-    FIELDS = {
-        1: ('address_n', p.UVarintType, p.FLAG_REPEATED),
-        2: ('message', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        address_n: List[int] = None,
-        message: bytes = None
-    ) -> None:
-        self.address_n = address_n if address_n is not None else []
-        self.message = message
diff --git a/trezorlib/messages/StellarVerifyMessage.py b/trezorlib/messages/StellarVerifyMessage.py
deleted file mode 100644
index 2189306d96..0000000000
--- a/trezorlib/messages/StellarVerifyMessage.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# Automatically generated by pb2py
-from .. import protobuf as p
-
-
-class StellarVerifyMessage(p.MessageType):
-    MESSAGE_WIRE_TYPE = 206
-    FIELDS = {
-        1: ('public_key', p.BytesType, 0),
-        2: ('message', p.BytesType, 0),
-        3: ('signature', p.BytesType, 0),
-    }
-
-    def __init__(
-        self,
-        public_key: bytes = None,
-        message: bytes = None,
-        signature: bytes = None
-    ) -> None:
-        self.public_key = public_key
-        self.message = message
-        self.signature = signature
diff --git a/trezorlib/messages/TransactionType.py b/trezorlib/messages/TransactionType.py
index 34f0a263ac..2d9d20b606 100644
--- a/trezorlib/messages/TransactionType.py
+++ b/trezorlib/messages/TransactionType.py
@@ -22,6 +22,7 @@ class TransactionType(p.MessageType):
         8: ('extra_data', p.BytesType, 0),
         9: ('extra_data_len', p.UVarintType, 0),
         10: ('decred_expiry', p.UVarintType, 0),
+        11: ('overwintered', p.BoolType, 0),
     }
 
     def __init__(
@@ -35,7 +36,8 @@ class TransactionType(p.MessageType):
         outputs_cnt: int = None,
         extra_data: bytes = None,
         extra_data_len: int = None,
-        decred_expiry: int = None
+        decred_expiry: int = None,
+        overwintered: bool = None
     ) -> None:
         self.version = version
         self.inputs = inputs if inputs is not None else []
@@ -47,3 +49,4 @@ class TransactionType(p.MessageType):
         self.extra_data = extra_data
         self.extra_data_len = extra_data_len
         self.decred_expiry = decred_expiry
+        self.overwintered = overwintered
diff --git a/trezorlib/messages/__init__.py b/trezorlib/messages/__init__.py
index 663224076f..b1c1e8a828 100644
--- a/trezorlib/messages/__init__.py
+++ b/trezorlib/messages/__init__.py
@@ -96,12 +96,9 @@ from .Initialize import Initialize
 from .LiskAddress import LiskAddress
 from .LiskGetAddress import LiskGetAddress
 from .LiskGetPublicKey import LiskGetPublicKey
-from .LiskMessageSignature import LiskMessageSignature
 from .LiskPublicKey import LiskPublicKey
-from .LiskSignMessage import LiskSignMessage
 from .LiskSignTx import LiskSignTx
 from .LiskSignedTx import LiskSignedTx
-from .LiskVerifyMessage import LiskVerifyMessage
 from .LoadDevice import LoadDevice
 from .MessageSignature import MessageSignature
 from .NEMAddress import NEMAddress
@@ -136,16 +133,13 @@ from .StellarCreatePassiveOfferOp import StellarCreatePassiveOfferOp
 from .StellarGetPublicKey import StellarGetPublicKey
 from .StellarManageDataOp import StellarManageDataOp
 from .StellarManageOfferOp import StellarManageOfferOp
-from .StellarMessageSignature import StellarMessageSignature
 from .StellarPathPaymentOp import StellarPathPaymentOp
 from .StellarPaymentOp import StellarPaymentOp
 from .StellarPublicKey import StellarPublicKey
 from .StellarSetOptionsOp import StellarSetOptionsOp
-from .StellarSignMessage import StellarSignMessage
 from .StellarSignTx import StellarSignTx
 from .StellarSignedTx import StellarSignedTx
 from .StellarTxOpRequest import StellarTxOpRequest
-from .StellarVerifyMessage import StellarVerifyMessage
 from .Success import Success
 from .TxAck import TxAck
 from .TxRequest import TxRequest
diff --git a/vendor/trezor-common b/vendor/trezor-common
index b91db285ba..8fc001154e 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit b91db285ba8947d6c65a6a807fba87ebc1d43f5d
+Subproject commit 8fc001154e49c2c1747957c4a9a1ab92dcc86edb