diff --git a/packages/api/src/index.js b/packages/api/src/index.js
index d9725c2819a5..50ea492be2b8 100644
--- a/packages/api/src/index.js
+++ b/packages/api/src/index.js
@@ -16,9 +16,7 @@ const createInterface = require('./create/interface');
 module.exports = function api (provider: ProviderInterface): ApiInterface {
   assert(provider && isFunction(provider.send), 'Expected Provider to API create');
 
-  const exposed: ApiInterface = {
-    on: provider.on
-  };
+  const exposed: ApiInterface = {};
 
   return Object
     .keys(interfaces)
diff --git a/packages/api/src/types.js b/packages/api/src/types.js
index d3b0b545ef5f..f7bf5995b167 100644
--- a/packages/api/src/types.js
+++ b/packages/api/src/types.js
@@ -4,7 +4,6 @@
 // @flow
 
 import type { InterfaceTypes } from '@polkadot/api-jsonrpc/types';
-import type { ProviderInterface$Emitted, ProviderInterface$EmitCb } from '@polkadot/api-provider/types';
 
 export type ApiInterface$Section$Method = {
   (...params: Array<mixed>): Promise<mixed>;
@@ -16,6 +15,5 @@ export type ApiInterface$Section = {
 };
 
 export type ApiInterface = {
-  on: (type: ProviderInterface$Emitted, callback: ProviderInterface$EmitCb) => void,
   [InterfaceTypes]: ApiInterface$Section
 }