diff --git a/audio/player_cbackend.go b/audio/context_cbackend.go
similarity index 100%
rename from audio/player_cbackend.go
rename to audio/context_cbackend.go
diff --git a/audio/oto.go b/audio/context_oto.go
similarity index 91%
rename from audio/oto.go
rename to audio/context_oto.go
index 8549b2873..f4e4d3b87 100644
--- a/audio/oto.go
+++ b/audio/context_oto.go
@@ -25,7 +25,7 @@ import (
 
 func newContext(sampleRate, channelCount, bitDepthInBytes int) (context, chan struct{}, error) {
 	ctx, ready, err := oto.NewContext(sampleRate, channelCount, bitDepthInBytes)
-	return otoContextToContext(ctx), ready, err
+	return &contextProxy{ctx}, ready, err
 }
 
 // otoContext is an interface for *oto.Context.
@@ -45,7 +45,3 @@ type contextProxy struct {
 func (c *contextProxy) NewPlayer(r io.Reader) player {
 	return c.otoContext.NewPlayer(r).(player)
 }
-
-func otoContextToContext(ctx otoContext) context {
-	return &contextProxy{ctx}
-}