diff --git a/crates/domain/src/value_objects/anchor_strategy.rs b/crates/domain/src/value_objects/anchor_strategy.rs
index cd1b4b6..1205cb5 100644
--- a/crates/domain/src/value_objects/anchor_strategy.rs
+++ b/crates/domain/src/value_objects/anchor_strategy.rs
@@ -1,7 +1,8 @@
 /// Strategy for calculating popup position relative to an anchor rectangle
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
 pub enum AnchorStrategy {
     /// Center popup horizontally below the anchor
+    #[default]
     CenterBottom,
     /// Center popup horizontally above the anchor
     CenterTop,
@@ -49,9 +50,3 @@ impl AnchorStrategy {
         }
     }
 }
-
-impl Default for AnchorStrategy {
-    fn default() -> Self {
-        Self::CenterBottom
-    }
-}
diff --git a/crates/domain/src/value_objects/keyboard_interactivity.rs b/crates/domain/src/value_objects/keyboard_interactivity.rs
index e8d867d..4033091 100644
--- a/crates/domain/src/value_objects/keyboard_interactivity.rs
+++ b/crates/domain/src/value_objects/keyboard_interactivity.rs
@@ -1,16 +1,11 @@
 /// Controls how a surface receives keyboard input
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
 pub enum KeyboardInteractivity {
     /// Surface does not receive keyboard events
     None,
     /// Surface always receives keyboard focus
     Exclusive,
     /// Surface receives focus when clicked (default)
+    #[default]
     OnDemand,
 }
-
-impl Default for KeyboardInteractivity {
-    fn default() -> Self {
-        Self::OnDemand
-    }
-}
diff --git a/crates/domain/src/value_objects/layer.rs b/crates/domain/src/value_objects/layer.rs
index 980bd00..11e3b3d 100644
--- a/crates/domain/src/value_objects/layer.rs
+++ b/crates/domain/src/value_objects/layer.rs
@@ -2,20 +2,15 @@
 ///
 /// Determines which layer a surface appears in, affecting visibility and stacking order.
 /// Defaults to `Top` for typical panels and bars.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
 pub enum Layer {
     /// Lowest layer, typically for wallpapers
     Background,
     /// Below normal windows
     Bottom,
     /// Above normal windows, default for bars/panels
+    #[default]
     Top,
     /// Highest layer, above all other content
     Overlay,
 }
-
-impl Default for Layer {
-    fn default() -> Self {
-        Self::Top
-    }
-}
diff --git a/crates/domain/src/value_objects/output_policy.rs b/crates/domain/src/value_objects/output_policy.rs
index 04f8205..e2f2f91 100644
--- a/crates/domain/src/value_objects/output_policy.rs
+++ b/crates/domain/src/value_objects/output_policy.rs
@@ -5,9 +5,10 @@ use std::rc::Rc;
 type OutputFilter = Rc<dyn Fn(&OutputInfo) -> bool>;
 
 /// Determines which outputs (monitors) should display the surface
-#[derive(Clone)]
+#[derive(Clone, Default)]
 pub enum OutputPolicy {
     /// Display surface on all connected outputs (default)
+    #[default]
     AllOutputs,
     /// Display surface only on the primary output
     PrimaryOnly,
@@ -40,12 +41,6 @@ impl OutputPolicy {
     }
 }
 
-impl Default for OutputPolicy {
-    fn default() -> Self {
-        Self::AllOutputs
-    }
-}
-
 impl fmt::Debug for OutputPolicy {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
diff --git a/crates/domain/src/value_objects/popup_positioning_mode.rs b/crates/domain/src/value_objects/popup_positioning_mode.rs
index da8de18..aa3487e 100644
--- a/crates/domain/src/value_objects/popup_positioning_mode.rs
+++ b/crates/domain/src/value_objects/popup_positioning_mode.rs
@@ -1,9 +1,10 @@
 /// Alignment mode for popup positioning
 ///
 /// Determines how a popup is aligned relative to its placement point.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
 pub enum PopupPositioningMode {
     /// Align popup's top-left corner to placement point
+    #[default]
     TopLeft,
     /// Center popup horizontally at placement point, top edge aligned
     TopCenter,
@@ -44,9 +45,3 @@ impl PopupPositioningMode {
         }
     }
 }
-
-impl Default for PopupPositioningMode {
-    fn default() -> Self {
-        Self::TopLeft
-    }
-}