diff --git a/audio_fifo.go b/audio_fifo.go
index 96eccbf..bd23b85 100644
--- a/audio_fifo.go
+++ b/audio_fifo.go
@@ -1,7 +1,6 @@
 package astiav
 
 //#include <libavutil/audio_fifo.h>
-//#include <stdlib.h>
 import "C"
 import "unsafe"