diff --git a/types/feathersjs__primus/index.d.ts b/types/feathersjs__primus/index.d.ts
index 1012be54e4..5d93843822 100644
--- a/types/feathersjs__primus/index.d.ts
+++ b/types/feathersjs__primus/index.d.ts
@@ -6,7 +6,5 @@
 
 /// <reference types="feathersjs__socket-commons"/>
 
-/// <reference types="feathersjs__socket-commons"/>
-
 // primus removed its typings from the repo https://github.com/primus/primus/pull/623, as of 01/2018 there are none on DT
 export default function feathersPrimus(options: any, callback?: (primus: any) => void): () => void;