diff --git a/lib/types/types.d.ts b/lib/types/types.d.ts
index e0630732..aa3db675 100644
--- a/lib/types/types.d.ts
+++ b/lib/types/types.d.ts
@@ -32,7 +32,6 @@ declare global {
     type Extension = TypeExtension;
 
     // Types
-    type ExternalDefinition = zhc.Definition & {homeassistant: unknown};
     interface MQTTResponse {
         data: KeyValue;
         status: 'error' | 'ok';
diff --git a/lib/util/utils.ts b/lib/util/utils.ts
index f44e9215..489347cc 100644
--- a/lib/util/utils.ts
+++ b/lib/util/utils.ts
@@ -168,7 +168,7 @@ function loadModuleFromFile(modulePath: string): unknown {
     return loadModuleFromText(moduleCode);
 }
 
-export function* loadExternalConverter(moduleName: string): Generator<ExternalDefinition> {
+export function* loadExternalConverter(moduleName: string): Generator<zhc.Definition> {
     let converter;
 
     if (moduleName.endsWith('.js')) {