diff --git a/src/js/game/entity_components.d.ts b/src/js/game/entity_components.ts
similarity index 100%
rename from src/js/game/entity_components.d.ts
rename to src/js/game/entity_components.ts
diff --git a/src/js/game/hud/hud_parts.d.ts b/src/js/game/hud/hud_parts.ts
similarity index 100%
rename from src/js/game/hud/hud_parts.d.ts
rename to src/js/game/hud/hud_parts.ts
diff --git a/src/js/mods/mod_metadata.d.ts b/src/js/mods/mod_metadata.ts
similarity index 88%
rename from src/js/mods/mod_metadata.d.ts
rename to src/js/mods/mod_metadata.ts
index 451d1916..cd1987d0 100644
--- a/src/js/mods/mod_metadata.d.ts
+++ b/src/js/mods/mod_metadata.ts
@@ -33,6 +33,6 @@ export interface ModInfo {
     mod: Mod;
 }
 
-export interface FrozenModMetadata extends Readonly<ModMetadata> {
+export interface FrozenModMetadata extends Readonly<Omit<ModMetadata, "authors">> {
     authors: ReadonlyArray<Readonly<ModAuthor>>;
 }