diff --git a/src/enums/held-item-id.ts b/src/enums/held-item-id.ts
index 186052c747b..c5f101dad5c 100644
--- a/src/enums/held-item-id.ts
+++ b/src/enums/held-item-id.ts
@@ -95,7 +95,7 @@ export const HeldItemId = {
 export type HeldItemId = (typeof HeldItemId)[keyof typeof HeldItemId];
 
 type HeldItemName = keyof typeof HeldItemId;
-type HeldItemValue = typeof HeldItemId[HeldItemName];
+type HeldItemValue = typeof HeldItemId[HeldItemName]; // equivalent to `HeldItemId`
 
 // Use a type-safe reducer to force number keys and values
 export const HeldItemNames: Record<HeldItemValue, HeldItemName> = Object.entries(HeldItemId).reduce(
diff --git a/src/enums/trainer-item-id.ts b/src/enums/trainer-item-id.ts
index 8069da2836e..032c8933eb8 100644
--- a/src/enums/trainer-item-id.ts
+++ b/src/enums/trainer-item-id.ts
@@ -51,7 +51,7 @@ export const TrainerItemId = {
   ENEMY_STATUS_EFFECT_HEAL_CHANCE: 0x0E07,
   ENEMY_ENDURE_CHANCE: 0x0E08,
   ENEMY_FUSED_CHANCE: 0x0E09,
-};
+} as const;
 
 export type TrainerItemId = (typeof TrainerItemId)[keyof typeof TrainerItemId];