diff --git a/firmware/ethereum_tokens-gen.py b/firmware/ethereum_tokens-gen.py
deleted file mode 100755
index 99b305c..0000000
--- a/firmware/ethereum_tokens-gen.py
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/usr/bin/env python3
-import requests
-
-subst = {
-    (1, 'AVA \U0001F434'): 'AVA',
-    (1, 'BeerCoin \U0001F37A '): 'BEER',
-    (1, 'CryptoCarbon'): 'CCRB',
-    (1, 'DGX 1.0'): 'DGX1',
-    (1, 'JetCoins'): 'JTC',
-    (1, 'Unicorn \U0001F984 '): 'UNCRN',
-}
-
-
-def get_tokens(chain):
-    URL = 'https://raw.githubusercontent.com/kvhnuke/etherwallet/mercury/app/scripts/tokens/%sTokens.json' % chain
-    r = requests.get(URL)
-    return r.json()
-
-
-def print_tokens(chain, chain_id):
-    tokens = get_tokens(chain)
-
-    for t in sorted(tokens, key=lambda x: x['symbol'].upper()):
-        address, symbol, decimal = t['address'], t['symbol'], t['decimal']
-        s = (chain_id, symbol)
-        if s in subst:
-            symbol = subst[s]
-        address = '\\x'.join([address[i:i + 2] for i in range(0, len(address), 2)])[2:].lower()
-        print('\t{%2d, "%s", " %s", %d},' % (chain_id, address, symbol, decimal))
-
-    return len(tokens)
-
-
-count = 0
-
-count += print_tokens('eth', 1)
-count += print_tokens('etc', 61)
-
-print('-' * 32)
-
-print('#define TOKENS_COUNT %d' % count)
diff --git a/vendor/trezor-common b/vendor/trezor-common
index 8bd5224..13499e2 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit 8bd52248fab2c025e3970d0ba2cc32d39e13caa0
+Subproject commit 13499e256acfdde662b98ea402146ca105fb03b3