diff --git a/internal/discord/activity.go b/internal/discord/activity.go
index a9fab33..afa6c8d 100644
--- a/internal/discord/activity.go
+++ b/internal/discord/activity.go
@@ -120,20 +120,6 @@ func startActivityTimer(uid string) {
 	go activityTimers[uid].Start(context.Background())
 }
 
-/*
-_activityTimerExists() returns true if there is already an activity timer for
-the specified uid
-
-WARNING: does not lock. do not call without locking.
-*/
-func _activityTimerExists(uid string) bool {
-	if _, ok := activityTimers[uid]; !ok {
-		return false
-	}
-
-	return true
-}
-
 /*
 stopActivityTimer() cancels any running timer for the given uid
 and removes it from the activityTimers map.
@@ -142,7 +128,7 @@ func stopActivityTimer(uid string) {
 	timerMutex.Lock()
 	defer timerMutex.Unlock()
 
-	if _activityTimerExists(uid) {
+	if _, ok := activityTimers[uid]; !ok {
 		activityTimers[uid].Cancel()
 		delete(activityTimers, uid)
 	}