diff --git a/src/apps/common/coininfo.py b/src/apps/common/coininfo.py
index 95266c6d91..b64a75a7bd 100644
--- a/src/apps/common/coininfo.py
+++ b/src/apps/common/coininfo.py
@@ -196,22 +196,6 @@ COINS = [
         force_bip143=False,
         version_group_id=None,
     ),
-    CoinInfo(
-        coin_name='Koto',
-        coin_shortcut='KOTO',
-        address_type=6198,
-        address_type_p2sh=6203,
-        maxfee_kb=1000000,
-        signed_message_header='Koto Signed Message:\n',
-        xpub_magic=0x0488b21e,
-        bech32_prefix=None,
-        cashaddr_prefix=None,
-        slip44=510,
-        segwit=False,
-        fork_id=None,
-        force_bip143=False,
-        version_group_id=None,
-    ),
     CoinInfo(
         coin_name='Litecoin',
         coin_shortcut='LTC',
diff --git a/vendor/trezor-common b/vendor/trezor-common
index 1e94dbce6a..2dad4dcd51 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit 1e94dbce6a4f09d9080ddfb2f2d6d1ff50809e70
+Subproject commit 2dad4dcd519662b9d69e276e737ac1bba655555d