diff --git a/firmware/protob/messages.options b/firmware/protob/messages.options
index 5a035c92bb..0c66b476d8 100644
--- a/firmware/protob/messages.options
+++ b/firmware/protob/messages.options
@@ -4,7 +4,6 @@ Features.vendor						max_size:33
 Features.device_id					max_size:25
 Features.language					max_size:17
 Features.label						max_size:33
-Features.coins						max_count:0
 Features.revision					max_size:20
 Features.bootloader_hash				max_size:32
 Features.model						max_size:17
diff --git a/firmware/protob/types.options b/firmware/protob/types.options
index 6a1efd11a8..07d1db77e3 100644
--- a/firmware/protob/types.options
+++ b/firmware/protob/types.options
@@ -4,10 +4,6 @@ HDNodeType.public_key			max_size:33
 
 HDNodePathType.address_n		max_count:8
 
-CoinType.coin_name			max_size:0
-CoinType.coin_shortcut			max_size:0
-CoinType.signed_message_header		max_size:0
-
 TxInputType.address_n			max_count:8
 TxInputType.prev_hash			max_size:32
 TxInputType.script_sig			max_size:1650
diff --git a/vendor/trezor-common b/vendor/trezor-common
index fb662e53b1..0c9d67954c 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit fb662e53b129b250149d982259696531ff4c2b95
+Subproject commit 0c9d67954c871553a7d44575a7a9198cba83df88