diff --git a/gp2x/940ctl.h b/gp2x/940ctl.h
index 0318c1c..3251282 100644
--- a/gp2x/940ctl.h
+++ b/gp2x/940ctl.h
@@ -6,7 +6,6 @@ void YM2612ResetChip_940(void);
 int  YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty);
 
 int  YM2612Write_940(unsigned int a, unsigned int v, int scanline);
-unsigned char YM2612Read_940(void);
 
 int  YM2612PicoTick_940(int n);
 void YM2612PicoStateLoad_940(void);