diff --git a/src/docker/DockerApi.ts b/src/docker/DockerApi.ts
index b5fb16b..5247de5 100644
--- a/src/docker/DockerApi.ts
+++ b/src/docker/DockerApi.ts
@@ -80,7 +80,6 @@ export function getLegacyServiceDnsAlias(
 export interface IServiceNetworkAttachment {
     Target: string
     Aliases?: string[]
-    [key: string]: any
 }
 
 export function getServiceNetworkAttachments(