diff --git a/chipdrivers.h b/chipdrivers.h
index 059100e..a378803 100644
--- a/chipdrivers.h
+++ b/chipdrivers.h
@@ -87,10 +87,8 @@
 			  chipaddr dst, int page_size);
 
 /* pm49fl00x.c */
-int probe_49fl00x(struct flashchip *flash);
-int erase_49fl00x(struct flashchip *flash);
-int write_49fl00x(struct flashchip *flash, uint8_t *buf);
 int unlock_49fl00x(struct flashchip *flash);
+int lock_49fl00x(struct flashchip *flash);
 
 /* sharplhf00l04.c */
 int probe_lhf00l04(struct flashchip *flash);