diff --git a/src/osdep/picasso96.h b/src/osdep/picasso96.h
index 890bf19b..87e4b2af 100644
--- a/src/osdep/picasso96.h
+++ b/src/osdep/picasso96.h
@@ -685,7 +685,7 @@ extern void picasso_enablescreen(int on);
 extern void picasso_refresh();
 extern void init_hz_p96();
 extern void picasso_handle_vsync(void);
-extern void picasso_trigger_vblank(void);
+//extern void picasso_trigger_vblank(void);
 extern bool picasso_is_active();
 extern int picasso_setwincursor();
 extern int picasso_palette(struct MyCLUTEntry* MCLUT, uae_u32* clut);