diff --git a/core/src/apps/base.py b/core/src/apps/base.py
index 2c5b13b6c5..e50ea271aa 100644
--- a/core/src/apps/base.py
+++ b/core/src/apps/base.py
@@ -89,7 +89,7 @@ async def handle_GetFeatures(ctx: wire.Context, msg: GetFeatures) -> Features:
 
 
 async def handle_Cancel(ctx: wire.Context, msg: Cancel) -> NoReturn:
-    raise wire.ActionCancelled("Cancelled")
+    raise wire.ActionCancelled
 
 
 async def handle_ClearSession(ctx: wire.Context, msg: ClearSession) -> Success:
diff --git a/core/src/apps/common/confirm.py b/core/src/apps/common/confirm.py
index b8ec7866c6..6e3a2f4b1f 100644
--- a/core/src/apps/common/confirm.py
+++ b/core/src/apps/common/confirm.py
@@ -106,10 +106,10 @@ async def hold_to_confirm(
 async def require_confirm(*args: Any, **kwargs: Any) -> None:
     confirmed = await confirm(*args, **kwargs)
     if not confirmed:
-        raise wire.ActionCancelled("Cancelled")
+        raise wire.ActionCancelled
 
 
 async def require_hold_to_confirm(*args: Any, **kwargs: Any) -> None:
     confirmed = await hold_to_confirm(*args, **kwargs)
     if not confirmed:
-        raise wire.ActionCancelled("Cancelled")
+        raise wire.ActionCancelled
diff --git a/core/src/apps/management/recovery_device/homescreen.py b/core/src/apps/management/recovery_device/homescreen.py
index 05891f038f..8514d0b0d9 100644
--- a/core/src/apps/management/recovery_device/homescreen.py
+++ b/core/src/apps/management/recovery_device/homescreen.py
@@ -41,7 +41,7 @@ async def recovery_process(ctx: wire.GenericContext) -> Success:
             storage.recovery.end_progress()
         else:
             storage.wipe()
-        raise wire.ActionCancelled("Cancelled")
+        raise wire.ActionCancelled
 
 
 async def _continue_recovery_process(ctx: wire.GenericContext) -> Success:
diff --git a/core/src/apps/monero/layout/confirms.py b/core/src/apps/monero/layout/confirms.py
index 6ae7454fc3..10b4425fbd 100644
--- a/core/src/apps/monero/layout/confirms.py
+++ b/core/src/apps/monero/layout/confirms.py
@@ -113,7 +113,7 @@ async def _require_confirm_output(
         ui.GREEN,
         4,
     ):
-        raise wire.ActionCancelled("Cancelled")
+        raise wire.ActionCancelled
 
 
 async def _require_confirm_payment_id(ctx, payment_id: bytes):
@@ -124,7 +124,7 @@ async def _require_confirm_payment_id(ctx, payment_id: bytes):
         ui.ICON_SEND,
         ui.GREEN,
     ):
-        raise wire.ActionCancelled("Cancelled")
+        raise wire.ActionCancelled
 
 
 async def _require_confirm_fee(ctx, fee):
diff --git a/core/src/apps/webauthn/add_resident_credential.py b/core/src/apps/webauthn/add_resident_credential.py
index 3e4a83201b..83c225a5d8 100644
--- a/core/src/apps/webauthn/add_resident_credential.py
+++ b/core/src/apps/webauthn/add_resident_credential.py
@@ -44,7 +44,7 @@ async def add_resident_credential(
             "authenticator.",
         )
         await require_confirm(ctx, text, confirm=None, cancel="Close")
-        raise wire.ActionCancelled("Cancelled") from None
+        raise wire.ActionCancelled
 
     content = ConfirmContent(ConfirmAddCredential(cred))
     await require_confirm(ctx, content)
diff --git a/core/src/trezor/wire/errors.py b/core/src/trezor/wire/errors.py
index 1211536e8c..38ee739026 100644
--- a/core/src/trezor/wire/errors.py
+++ b/core/src/trezor/wire/errors.py
@@ -27,7 +27,7 @@ class DataError(Error):
 
 
 class ActionCancelled(Error):
-    def __init__(self, message: str) -> None:
+    def __init__(self, message: str = "Cancelled") -> None:
         super().__init__(FailureType.ActionCancelled, message)
 
 
@@ -37,12 +37,12 @@ class PinExpected(Error):
 
 
 class PinCancelled(Error):
-    def __init__(self, message: str) -> None:
+    def __init__(self, message: str = "PIN entry cancelled") -> None:
         super().__init__(FailureType.PinCancelled, message)
 
 
 class PinInvalid(Error):
-    def __init__(self, message: str) -> None:
+    def __init__(self, message: str = "PIN invalid") -> None:
         super().__init__(FailureType.PinInvalid, message)