diff --git a/core/src/apps/bitcoin/sign_tx/bitcoin.py b/core/src/apps/bitcoin/sign_tx/bitcoin.py
index 7ce448066c..501cdef855 100644
--- a/core/src/apps/bitcoin/sign_tx/bitcoin.py
+++ b/core/src/apps/bitcoin/sign_tx/bitcoin.py
@@ -640,7 +640,7 @@ class Bitcoin:
 
         return public_key, signature
 
-    def sign_taproot_input(self, i: int, txi: TxInput) -> bytes:
+    def sign_taproot_input(self, i: int, txi: TxInput) -> tuple[bytes, bytes]:
         from ..common import bip340_sign
 
         if txi.multisig:
diff --git a/core/src/apps/bitcoin/sign_tx/decred.py b/core/src/apps/bitcoin/sign_tx/decred.py
index 39b99380ab..5d4a4f44f6 100644
--- a/core/src/apps/bitcoin/sign_tx/decred.py
+++ b/core/src/apps/bitcoin/sign_tx/decred.py
@@ -124,6 +124,7 @@ class DecredSigHasher:
         i: int,
         tx: SignTx | PrevTx,
         sighash_type: SigHashType,
+        leaf_hash: bytes | None,
     ) -> bytes:
         raise NotImplementedError