diff --git a/common/tests/fixtures/cardano/get_address_byron.json b/common/tests/fixtures/cardano/get_address_byron.json
index 24a354557d..a2eda485ca 100644
--- a/common/tests/fixtures/cardano/get_address_byron.json
+++ b/common/tests/fixtures/cardano/get_address_byron.json
@@ -7,7 +7,7 @@
     {
       "parameters": {
         "path": "m/44'/1815'/0'/0/0",
-        "address_type":"byron",
+        "address_type": "byron",
         "protocol_magic": 764824073,
         "network_id": 1
       },
@@ -16,7 +16,7 @@
       }
     },
     {
-      "parameters":{
+      "parameters": {
         "path": "m/44'/1815'/0'/0/1",
         "address_type": "byron",
         "protocol_magic": 764824073,
@@ -33,7 +33,7 @@
         "protocol_magic": 764824073,
         "network_id": 1
       },
-      "result":  {
+      "result": {
         "expected_address": "Ae2tdPwUPEZFm6Y7aPZGKMyMAK16yA5pWWKU9g73ncUQNZsAjzjhszenCsq"
       }
     },
@@ -49,7 +49,7 @@
       }
     },
     {
-      "parameters":{
+      "parameters": {
         "path": "m/44'/1815'/0'/0/1",
         "address_type": "byron",
         "protocol_magic": 42,
@@ -66,7 +66,7 @@
         "protocol_magic": 42,
         "network_id": 0
       },
-      "result":  {
+      "result": {
         "expected_address": "2657WMsDfac7hr1ioJGr6g7r6JRx4r1My8Rj91tcPTeVjJDpfBYKURrPG2zVLx2Sq"
       }
     }
diff --git a/common/tests/fixtures/cardano/get_address_byron.slip39.json b/common/tests/fixtures/cardano/get_address_byron.slip39.json
index ed6d31a447..3ceb77a162 100644
--- a/common/tests/fixtures/cardano/get_address_byron.slip39.json
+++ b/common/tests/fixtures/cardano/get_address_byron.slip39.json
@@ -1,9 +1,9 @@
 {
   "setup": {
     "mnemonic": [
-        "extra extend academic bishop cricket bundle tofu goat apart victim enlarge program behavior permit course armed jerky faint language modern",
-        "extra extend academic acne away best indicate impact square oasis prospect painting voting guest either argue username racism enemy eclipse",
-        "extra extend academic arcade born dive legal hush gross briefing talent drug much home firefly toxic analysis idea umbrella slice"
+      "extra extend academic bishop cricket bundle tofu goat apart victim enlarge program behavior permit course armed jerky faint language modern",
+      "extra extend academic acne away best indicate impact square oasis prospect painting voting guest either argue username racism enemy eclipse",
+      "extra extend academic arcade born dive legal hush gross briefing talent drug much home firefly toxic analysis idea umbrella slice"
     ],
     "passphrase": "TREZOR"
   },
@@ -11,11 +11,11 @@
     {
       "parameters": {
         "path": "m/44'/1815'/0'/0/0",
-        "address_type":"byron",
+        "address_type": "byron",
         "protocol_magic": 764824073,
-        "network_id":1
+        "network_id": 1
       },
-      "result":{
+      "result": {
         "expected_address": "Ae2tdPwUPEYxF9NAMNdd3v2LZoMeWp7gCZiDb6bZzFQeeVASzoP7HC4V9s6"
       }
     },
diff --git a/common/tests/fixtures/cardano/get_base_address_with_staking_key_hash.json b/common/tests/fixtures/cardano/get_base_address_with_staking_key_hash.json
index 9ef76e7d80..bb3c6328d8 100644
--- a/common/tests/fixtures/cardano/get_base_address_with_staking_key_hash.json
+++ b/common/tests/fixtures/cardano/get_base_address_with_staking_key_hash.json
@@ -7,7 +7,7 @@
     {
       "parameters": {
         "path": "m/1852'/1815'/4'/0/0",
-        "address_type":"base",
+        "address_type": "base",
         "staking_key_hash": "1bc428e4720702ebd5dab4fb175324c192dc9bb76cc5da956e3c8dff",
         "network_id": 1,
         "protocol_magic": 764824073
diff --git a/common/tests/fixtures/cardano/get_public_key.json b/common/tests/fixtures/cardano/get_public_key.json
index d045abb4d6..f115ba5cc5 100644
--- a/common/tests/fixtures/cardano/get_public_key.json
+++ b/common/tests/fixtures/cardano/get_public_key.json
@@ -5,10 +5,10 @@
   },
   "tests": [
     {
-      "parameters":{
+      "parameters": {
         "path": "m/44'/1815'/0'"
       },
-      "result":{
+      "result": {
         "public_key": "c0fce1839f1a84c4e770293ac2f5e0875141b29017b7f56ab135352d00ad6966",
         "chain_code": "07faa161c9f5464315d2855f70fdf1431d5fa39eb838767bf17b69772137452f"
       }
diff --git a/common/tests/fixtures/cardano/get_public_key.slip39.json b/common/tests/fixtures/cardano/get_public_key.slip39.json
index 5398c3cee1..8d9bdf8060 100644
--- a/common/tests/fixtures/cardano/get_public_key.slip39.json
+++ b/common/tests/fixtures/cardano/get_public_key.slip39.json
@@ -1,9 +1,9 @@
 {
   "setup": {
     "mnemonic": [
-        "extra extend academic bishop cricket bundle tofu goat apart victim enlarge program behavior permit course armed jerky faint language modern",
-        "extra extend academic acne away best indicate impact square oasis prospect painting voting guest either argue username racism enemy eclipse",
-        "extra extend academic arcade born dive legal hush gross briefing talent drug much home firefly toxic analysis idea umbrella slice"
+      "extra extend academic bishop cricket bundle tofu goat apart victim enlarge program behavior permit course armed jerky faint language modern",
+      "extra extend academic acne away best indicate impact square oasis prospect painting voting guest either argue username racism enemy eclipse",
+      "extra extend academic arcade born dive legal hush gross briefing talent drug much home firefly toxic analysis idea umbrella slice"
     ],
     "passphrase": "TREZOR"
   },
@@ -21,7 +21,7 @@
       "parameters": {
         "path": "m/44'/1815'/0'/0/1"
       },
-      "result":  {
+      "result": {
         "public_key": "24c4fe188a39103db88818bc191fd8571eae7b284ebcbdf2462bde97b058a95c",
         "chain_code": "6f7a744035f4b3ddb8f861c18446169643cc3ae85e271b4b4f0eda05cf84c65b"
       }
@@ -30,7 +30,7 @@
       "parameters": {
         "path": "m/44'/1815'/0'/0/2"
       },
-      "result":  {
+      "result": {
         "public_key": "831a63d381a8dab1e6e1ee991a4300fc70687aae5f97f4fcf92ed1b6c2bd99de",
         "chain_code": "672d6af4707aba201b7940231e83dd357f92f8851b3dfdc224ef311e1b64cdeb"
       }
diff --git a/common/tests/fixtures/cardano/sign_tx.json b/common/tests/fixtures/cardano/sign_tx.json
index b4d45dd9c8..0d6f010e75 100644
--- a/common/tests/fixtures/cardano/sign_tx.json
+++ b/common/tests/fixtures/cardano/sign_tx.json
@@ -1178,7 +1178,8 @@
         ]
       }
     },
-    {"description": "transaction with everything set except pool registration certificate",
+    {
+      "description": "transaction with everything set except pool registration certificate",
       "parameters": {
         "protocol_magic": 764824073,
         "network_id": 1,
diff --git a/tests/device_tests/cardano/test_sign_tx.py b/tests/device_tests/cardano/test_sign_tx.py
index ad05ce57b9..d2c5590f04 100644
--- a/tests/device_tests/cardano/test_sign_tx.py
+++ b/tests/device_tests/cardano/test_sign_tx.py
@@ -34,7 +34,7 @@ pytestmark = [
     "cardano/sign_tx.slip39.json",
 )
 def test_cardano_sign_tx(client, parameters, result):
-    signing_mode = cardano.SIGNING_MODE_IDS[parameters["signing_mode"]]
+    signing_mode = messages.CardanoTxSigningMode.__members__[parameters["signing_mode"]]
     inputs = [cardano.parse_input(i) for i in parameters["inputs"]]
     outputs = [cardano.parse_output(o) for o in parameters["outputs"]]
     certificates = [cardano.parse_certificate(c) for c in parameters["certificates"]]
@@ -70,7 +70,7 @@ def test_cardano_sign_tx(client, parameters, result):
     "cardano/sign_tx.failed.json", "cardano/sign_tx_stake_pool_registration.failed.json"
 )
 def test_cardano_sign_tx_failed(client, parameters, result):
-    signing_mode = cardano.SIGNING_MODE_IDS[parameters["signing_mode"]]
+    signing_mode = messages.CardanoTxSigningMode.__members__[parameters["signing_mode"]]
     inputs = [cardano.parse_input(i) for i in parameters["inputs"]]
     outputs = [cardano.parse_output(o) for o in parameters["outputs"]]
     certificates = [cardano.parse_certificate(c) for c in parameters["certificates"]]