diff --git a/libretro/libretro.c b/libretro/libretro.c
index 29d5cc0..83af3f4 100644
--- a/libretro/libretro.c
+++ b/libretro/libretro.c
@@ -36,7 +36,6 @@ static struct retro_log_callback logging;
 static retro_log_printf_t log_cb;
 
 static retro_video_refresh_t video_cb;
-static retro_audio_sample_t audio_cb;
 static retro_audio_sample_batch_t audio_batch_cb;
 static retro_input_poll_t input_poll_cb;
 static retro_input_state_t input_state_cb;
@@ -200,7 +199,6 @@ void retro_set_environment(retro_environment_t cb)
 
 void retro_set_audio_sample(retro_audio_sample_t cb)
 {
-   audio_cb = cb;
 }
 
 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)