2 files changed, 3 insertions, 5 deletions

diff --git a/client/src/standalone/player/definitions.ts b/client/src/standalone/player/definitions.ts
index 7f9ef9b6f..afd10541b 100644
--- a/client/src/standalone/player/definitions.ts
+++ b/client/src/standalone/player/definitions.ts
@@ -1,6 +1,4 @@
-export interface EventHandler<T> {
-  (ev: T): void
-}
+export type EventHandler<T> = (ev: T) => void
 
 export type PlayerEventType =
   'pause' | 'play' |
diff --git a/client/src/standalone/player/events.ts b/client/src/standalone/player/events.ts
index f1639ef19..28a13c727 100644
--- a/client/src/standalone/player/events.ts
+++ b/client/src/standalone/player/events.ts
@@ -13,13 +13,13 @@ export class EventRegistrar {
   private eventRegistrations: PlayerEventRegistrationMap = {}
 
   public bindToChannel (channel: Channel.MessagingChannel) {
-    for (let name of Object.keys(this.eventRegistrations)) {
+    for (const name of Object.keys(this.eventRegistrations)) {
       channel.bind(name, (txn, params) => this.fire(name, params))
     }
   }
 
   public registerTypes (names: string[]) {
-    for (let name of names) {
+    for (const name of names) {
       this.eventRegistrations[ name ] = { registrations: [] }
     }
   }