diff --git a/src/emu/driver.h b/src/emu/driver.h
index 5e5bbb3e0d7..e0ec9d7be7e 100644
--- a/src/emu/driver.h
+++ b/src/emu/driver.h
@@ -392,9 +392,6 @@ struct _game_driver
 #define MDRV_PALETTE_LENGTH(length)										\
 	machine->total_colors = (length);									\
 
-#define MDRV_COLORTABLE_LENGTH(length)									\
-	machine->color_table_len = (length);								\
-
 #define MDRV_DEFAULT_LAYOUT(layout)										\
 	machine->default_layout = &(layout)[0];								\