diff --git a/packages/combat/src/traits/vulnerable.js b/packages/combat/src/traits/vulnerable.js
index dbc9408..6a7fc43 100644
--- a/packages/combat/src/traits/vulnerable.js
+++ b/packages/combat/src/traits/vulnerable.js
@@ -61,6 +61,12 @@ export default (latus) => class Vulnerable extends Trait {
     };
   }
 
+  static dependencies() {
+    return [
+      'Emitter',
+    ];
+  }
+
   static describeParams() {
     return {
       modifiers: {
@@ -142,11 +148,6 @@ export default (latus) => class Vulnerable extends Trait {
                 },
               },
             },
-            Existent: {
-              state: {
-                name: 'Harm particle',
-              },
-            },
             Layered: {},
             Listed: {},
             Positioned: {},
@@ -185,7 +186,6 @@ export default (latus) => class Vulnerable extends Trait {
                 ttl: 0.5,
               },
             },
-            Existent: {},
             Layered: {},
             Listed: {},
             Perishable: {
diff --git a/packages/core/src/traits/controllable.js b/packages/core/src/traits/controllable.js
index b59421a..eafa1f8 100644
--- a/packages/core/src/traits/controllable.js
+++ b/packages/core/src/traits/controllable.js
@@ -12,6 +12,15 @@ export default () => class Controllable extends Trait {
     this._movementVector = [0, 0];
   }
 
+  static dependencies() {
+    return [
+      'Animated',
+      'Mobile',
+      'Receptacle',
+      'Wielder',
+    ];
+  }
+
   set inputStream(inputStream) {
     for (let i = 0; i < inputStream.length; i++) {
       const {action, value} = inputStream[i];
diff --git a/packages/core/src/traits/lootable.js b/packages/core/src/traits/lootable.js
index 91a4460..a46e04d 100644
--- a/packages/core/src/traits/lootable.js
+++ b/packages/core/src/traits/lootable.js
@@ -34,6 +34,12 @@ export default () => class Lootable extends decorate(Trait) {
     };
   }
 
+  static dependencies() {
+    return [
+      'Emitter',
+    ];
+  }
+
   static describeParams() {
     return {
       table: {
diff --git a/packages/farm/src/traits/plant.js b/packages/farm/src/traits/plant.js
index 368b00e..5b5c24c 100644
--- a/packages/farm/src/traits/plant.js
+++ b/packages/farm/src/traits/plant.js
@@ -32,6 +32,12 @@ export default (latus) => class Plant extends decorate(Trait) {
     };
   }
 
+  static dependencies() {
+    return [
+      'Pictured',
+    ];
+  }
+
   static describeParams() {
     return {
       growthCondition: {
diff --git a/packages/inventory/src/traits/receptacle.js b/packages/inventory/src/traits/receptacle.js
index 8b5d097..71510a9 100644
--- a/packages/inventory/src/traits/receptacle.js
+++ b/packages/inventory/src/traits/receptacle.js
@@ -32,6 +32,12 @@ export default (latus) => class Receptacle extends decorate(Trait) {
     };
   }
 
+  static dependencies() {
+    return [
+      'Audible',
+    ];
+  }
+
   static describeParams() {
     return {
       slots: {
@@ -192,9 +198,7 @@ export default (latus) => class Receptacle extends decorate(Trait) {
             other.list.removeEntity(other);
           }
           this.entity.addItemToSlot(other);
-          if (this.entity.is('Audible')) {
-            this.entity.playSound('yoink');
-          }
+          this.entity.playSound('yoink');
         }
       };
     }
diff --git a/packages/inventory/src/traits/wielder.js b/packages/inventory/src/traits/wielder.js
index 80ac44e..9588f0b 100644
--- a/packages/inventory/src/traits/wielder.js
+++ b/packages/inventory/src/traits/wielder.js
@@ -23,7 +23,7 @@ export default (latus) => class Wielder extends decorate(Trait) {
 
   static dependencies() {
     return [
-      'receptacle',
+      'Receptacle',
     ];
   }