diff --git a/core/embed/rust/src/ui/component/base.rs b/core/embed/rust/src/ui/component/base.rs
index 9432d05bc8..0309feb836 100644
--- a/core/embed/rust/src/ui/component/base.rs
+++ b/core/embed/rust/src/ui/component/base.rs
@@ -430,7 +430,7 @@ impl EventCtx {
     pub const ANIM_FRAME_TIMER: TimerToken = TimerToken(1);
 
     /// How long into the future we should schedule the animation frame timer.
-    const ANIM_FRAME_DEADLINE: Duration = Duration::from_millis(1);
+    const ANIM_FRAME_DURATION: Duration = Duration::from_millis(1);
 
     // 0 == `TimerToken::INVALID`,
     // 1 == `Self::ANIM_FRAME_TIMER`.
@@ -476,10 +476,10 @@ impl EventCtx {
         self.paint_requested = true;
     }
 
-    /// Request a timer event to be delivered after `deadline` elapses.
-    pub fn request_timer(&mut self, deadline: Duration) -> TimerToken {
+    /// Request a timer event to be delivered after `duration` elapses.
+    pub fn request_timer(&mut self, duration: Duration) -> TimerToken {
         let token = self.next_timer_token();
-        self.register_timer(token, deadline);
+        self.register_timer(token, duration);
         token
     }
 
@@ -487,7 +487,7 @@ impl EventCtx {
     pub fn request_anim_frame(&mut self) {
         if !self.anim_frame_scheduled {
             self.anim_frame_scheduled = true;
-            self.register_timer(Self::ANIM_FRAME_TIMER, Self::ANIM_FRAME_DEADLINE);
+            self.register_timer(Self::ANIM_FRAME_TIMER, Self::ANIM_FRAME_DURATION);
         }
     }
 
@@ -561,8 +561,8 @@ impl EventCtx {
         self.transition_out = None;
     }
 
-    fn register_timer(&mut self, token: TimerToken, deadline: Duration) {
-        if self.timers.push((token, deadline)).is_err() {
+    fn register_timer(&mut self, token: TimerToken, duration: Duration) {
+        if self.timers.push((token, duration)).is_err() {
             // The timer queue is full, this would be a development error in the layout
             // layer. Let's panic in the debug env.
             #[cfg(feature = "ui_debug")]
diff --git a/core/embed/rust/src/ui/layout/obj.rs b/core/embed/rust/src/ui/layout/obj.rs
index cad01cbba1..e27ddf8df2 100644
--- a/core/embed/rust/src/ui/layout/obj.rs
+++ b/core/embed/rust/src/ui/layout/obj.rs
@@ -173,7 +173,7 @@ impl LayoutObjInner {
     }
 
     /// Timer callback is expected to be a callable object of the following
-    /// form: `def timer(token: int, deadline_in_ms: int)`.
+    /// form: `def timer(token: int, duration_ms: int)`.
     fn obj_set_timer_fn(&mut self, timer_fn: Obj) {
         self.timer_fn = timer_fn;
     }
@@ -226,13 +226,13 @@ impl LayoutObjInner {
         // painting by now, and we're prepared for a paint pass.
 
         // Drain any pending timers into the callback.
-        while let Some((token, deadline)) = self.event_ctx.pop_timer() {
+        while let Some((token, duration)) = self.event_ctx.pop_timer() {
             let token = token.try_into();
-            let deadline = deadline.try_into();
-            if let (Ok(token), Ok(deadline)) = (token, deadline) {
-                self.timer_fn.call_with_n_args(&[token, deadline])?;
+            let duration = duration.try_into();
+            if let (Ok(token), Ok(duration)) = (token, duration) {
+                self.timer_fn.call_with_n_args(&[token, duration])?;
             } else {
-                // Failed to convert token or deadline into `Obj`, skip.
+                // Failed to convert token or duration into `Obj`, skip.
             }
         }
 
diff --git a/core/embed/rust/src/ui/model_mercury/component/keyboard/common.rs b/core/embed/rust/src/ui/model_mercury/component/keyboard/common.rs
index 58544b75a1..628e0705fd 100644
--- a/core/embed/rust/src/ui/model_mercury/component/keyboard/common.rs
+++ b/core/embed/rust/src/ui/model_mercury/component/keyboard/common.rs
@@ -90,7 +90,7 @@ impl MultiTapKeyboard {
 
         // If the key has more then one character, we need to set it as pending, so we
         // can cycle through on the repeated clicks. We also request a timer so we can
-        // reset the pending state after a deadline.
+        // reset the pending state after a timeout.
         //
         // Note: It might seem that we should make sure to `request_paint` in case we
         // progress into a pending state (to display the pending marker), but such
diff --git a/core/embed/rust/src/ui/model_mercury/layout.rs b/core/embed/rust/src/ui/model_mercury/layout.rs
index 6b2176a187..07fa72dc75 100644
--- a/core/embed/rust/src/ui/model_mercury/layout.rs
+++ b/core/embed/rust/src/ui/model_mercury/layout.rs
@@ -1140,7 +1140,7 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///         """Attach a timer setter function.
     ///
     ///         The layout object can call the timer setter with two arguments,
-    ///         `token` and `deadline`. When `deadline` is reached, the layout object
+    ///         `token` and `duration_ms`. When `duration_ms` is reached, the layout object
     ///         expects a callback to `self.timer(token)`.
     ///         """
     ///
@@ -1162,7 +1162,7 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///         """Callback for the timer set by `attach_timer_fn`.
     ///
     ///         This function should be called by the executor after the corresponding
-    ///         deadline is reached.
+    ///         duration has expired.
     ///         """
     ///
     ///     def paint(self) -> bool:
diff --git a/core/embed/rust/src/ui/model_tt/component/keyboard/common.rs b/core/embed/rust/src/ui/model_tt/component/keyboard/common.rs
index 9868770bc4..d4dcb7b787 100644
--- a/core/embed/rust/src/ui/model_tt/component/keyboard/common.rs
+++ b/core/embed/rust/src/ui/model_tt/component/keyboard/common.rs
@@ -88,7 +88,7 @@ impl MultiTapKeyboard {
 
         // If the key has more then one character, we need to set it as pending, so we
         // can cycle through on the repeated clicks. We also request a timer so we can
-        // reset the pending state after a deadline.
+        // reset the pending state after it elapses.
         //
         // Note: It might seem that we should make sure to `request_paint` in case we
         // progress into a pending state (to display the pending marker), but such
diff --git a/core/embed/rust/src/ui/model_tt/layout.rs b/core/embed/rust/src/ui/model_tt/layout.rs
index c423e18bba..3d93259412 100644
--- a/core/embed/rust/src/ui/model_tt/layout.rs
+++ b/core/embed/rust/src/ui/model_tt/layout.rs
@@ -1636,7 +1636,7 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///         """Attach a timer setter function.
     ///
     ///         The layout object can call the timer setter with two arguments,
-    ///         `token` and `deadline`. When `deadline` is reached, the layout object
+    ///         `token` and `duration`. When `duration` elapses, the layout object
     ///         expects a callback to `self.timer(token)`.
     ///         """
     ///
@@ -1658,7 +1658,7 @@ pub static mp_module_trezorui2: Module = obj_module! {
     ///         """Callback for the timer set by `attach_timer_fn`.
     ///
     ///         This function should be called by the executor after the corresponding
-    ///         deadline is reached.
+    ///         duration elapses.
     ///         """
     ///
     ///     def paint(self) -> bool:
diff --git a/core/mocks/generated/trezorui2.pyi b/core/mocks/generated/trezorui2.pyi
index 59e58ca27d..9e443ed895 100644
--- a/core/mocks/generated/trezorui2.pyi
+++ b/core/mocks/generated/trezorui2.pyi
@@ -11,7 +11,7 @@ class LayoutObj(Generic[T]):
     def attach_timer_fn(self, fn: Callable[[int, int], None], attach_type: AttachType | None) -> None:
         """Attach a timer setter function.
         The layout object can call the timer setter with two arguments,
-        `token` and `deadline`. When `deadline` is reached, the layout object
+        `token` and `duration_ms`. When `duration_ms` is reached, the layout object
         expects a callback to `self.timer(token)`.
         """
     if utils.USE_TOUCH:
@@ -27,7 +27,7 @@ class LayoutObj(Generic[T]):
     def timer(self, token: int) -> T | None:
         """Callback for the timer set by `attach_timer_fn`.
         This function should be called by the executor after the corresponding
-        deadline is reached.
+        duration has expired.
         """
     def paint(self) -> bool:
         """Paint the layout object on screen.
@@ -1118,7 +1118,7 @@ class LayoutObj(Generic[T]):
     def attach_timer_fn(self, fn: Callable[[int, int], None], attach_type: AttachType | None) -> None:
         """Attach a timer setter function.
         The layout object can call the timer setter with two arguments,
-        `token` and `deadline`. When `deadline` is reached, the layout object
+        `token` and `duration`. When `duration` elapses, the layout object
         expects a callback to `self.timer(token)`.
         """
     if utils.USE_TOUCH:
@@ -1134,7 +1134,7 @@ class LayoutObj(Generic[T]):
     def timer(self, token: int) -> T | None:
         """Callback for the timer set by `attach_timer_fn`.
         This function should be called by the executor after the corresponding
-        deadline is reached.
+        duration elapses.
         """
     def paint(self) -> bool:
         """Paint the layout object on screen.
diff --git a/core/src/trezor/ui/layouts/mercury/__init__.py b/core/src/trezor/ui/layouts/mercury/__init__.py
index 96adf2e2ed..f8b74ee0f3 100644
--- a/core/src/trezor/ui/layouts/mercury/__init__.py
+++ b/core/src/trezor/ui/layouts/mercury/__init__.py
@@ -46,8 +46,8 @@ class RustLayout(ui.Layout):
     def __del__(self):
         self.layout.__del__()
 
-    def set_timer(self, token: int, deadline: int) -> None:
-        self.timer.schedule(deadline, token)
+    def set_timer(self, token: int, duration_ms: int) -> None:
+        self.timer.schedule(duration_ms, token)
 
     def request_complete_repaint(self) -> None:
         msg = self.layout.request_complete_repaint()
@@ -270,7 +270,7 @@ class RustLayout(ui.Layout):
 
 def draw_simple(layout: Any) -> None:
     # Simple drawing not supported for layouts that set timers.
-    def dummy_set_timer(token: int, deadline: int) -> None:
+    def dummy_set_timer(token: int, duration: int) -> None:
         raise RuntimeError
 
     layout.attach_timer_fn(dummy_set_timer, None)
diff --git a/core/src/trezor/ui/layouts/progress.py b/core/src/trezor/ui/layouts/progress.py
index 497da3d28e..053acbc3da 100644
--- a/core/src/trezor/ui/layouts/progress.py
+++ b/core/src/trezor/ui/layouts/progress.py
@@ -40,7 +40,7 @@ class RustProgress:
             ui.refresh()
         ui.backlight_fade(ui.BacklightLevels.NORMAL)
 
-    def set_timer(self, token: int, deadline: int) -> None:
+    def set_timer(self, token: int, duration_ms: int) -> None:
         raise RuntimeError  # progress layouts should not set timers
 
     def report(self, value: int, description: str | None = None):
diff --git a/core/src/trezor/ui/layouts/tr/__init__.py b/core/src/trezor/ui/layouts/tr/__init__.py
index 389fcaa7a2..4134f46aec 100644
--- a/core/src/trezor/ui/layouts/tr/__init__.py
+++ b/core/src/trezor/ui/layouts/tr/__init__.py
@@ -47,8 +47,8 @@ class RustLayout(LayoutParentType[T]):
     def __del__(self):
         self.layout.__del__()
 
-    def set_timer(self, token: int, deadline: int) -> None:
-        self.timer.schedule(deadline, token)
+    def set_timer(self, token: int, duration_ms: int) -> None:
+        self.timer.schedule(duration_ms, token)
 
     def request_complete_repaint(self) -> None:
         msg = self.layout.request_complete_repaint()
@@ -308,7 +308,7 @@ class RustLayout(LayoutParentType[T]):
 
 def draw_simple(layout: trezorui2.LayoutObj[Any]) -> None:
     # Simple drawing not supported for layouts that set timers.
-    def dummy_set_timer(token: int, deadline: int) -> None:
+    def dummy_set_timer(token: int, duration: int) -> None:
         raise RuntimeError
 
     layout.attach_timer_fn(dummy_set_timer, None)
diff --git a/core/src/trezor/ui/layouts/tt/__init__.py b/core/src/trezor/ui/layouts/tt/__init__.py
index 2d6ad00b45..dce95f4af9 100644
--- a/core/src/trezor/ui/layouts/tt/__init__.py
+++ b/core/src/trezor/ui/layouts/tt/__init__.py
@@ -49,8 +49,8 @@ class RustLayout(LayoutParentType[T]):
     def __del__(self):
         self.layout.__del__()
 
-    def set_timer(self, token: int, deadline: int) -> None:
-        self.timer.schedule(deadline, token)
+    def set_timer(self, token: int, duration_ms: int) -> None:
+        self.timer.schedule(duration_ms, token)
 
     def request_complete_repaint(self) -> None:
         msg = self.layout.request_complete_repaint()
@@ -271,7 +271,7 @@ class RustLayout(LayoutParentType[T]):
 
 def draw_simple(layout: trezorui2.LayoutObj[Any]) -> None:
     # Simple drawing not supported for layouts that set timers.
-    def dummy_set_timer(token: int, deadline: int) -> None:
+    def dummy_set_timer(token: int, duration: int) -> None:
         raise RuntimeError
 
     layout.attach_timer_fn(dummy_set_timer, None)