diff --git a/flash.h b/flash.h
index e27b0bf..2a45e46 100644
--- a/flash.h
+++ b/flash.h
@@ -183,88 +183,88 @@
 extern char *lb_part, *lb_vendor;
 
 /* 82802ab.c */
-extern int probe_82802ab(struct flashchip *flash);
-extern int erase_82802ab(struct flashchip *flash);
-extern int write_82802ab(struct flashchip *flash, uint8_t *buf);
+int probe_82802ab(struct flashchip *flash);
+int erase_82802ab(struct flashchip *flash);
+int write_82802ab(struct flashchip *flash, uint8_t *buf);
 
 /* am29f040b.c */
-extern int probe_29f040b(struct flashchip *flash);
-extern int erase_29f040b(struct flashchip *flash);
-extern int write_29f040b(struct flashchip *flash, uint8_t *buf);
+int probe_29f040b(struct flashchip *flash);
+int erase_29f040b(struct flashchip *flash);
+int write_29f040b(struct flashchip *flash, uint8_t *buf);
 
 /* jedec.c */
-extern void toggle_ready_jedec(volatile uint8_t *dst);
-extern void data_polling_jedec(volatile uint8_t *dst, uint8_t data);
-extern void unprotect_jedec(volatile uint8_t *bios);
-extern void protect_jedec(volatile uint8_t *bios);
+void toggle_ready_jedec(volatile uint8_t *dst);
+void data_polling_jedec(volatile uint8_t *dst, uint8_t data);
+void unprotect_jedec(volatile uint8_t *bios);
+void protect_jedec(volatile uint8_t *bios);
 int write_byte_program_jedec(volatile uint8_t *bios, uint8_t *src,
 			     volatile uint8_t *dst);
-extern int probe_jedec(struct flashchip *flash);
-extern int erase_chip_jedec(struct flashchip *flash);
-extern int write_jedec(struct flashchip *flash, uint8_t *buf);
-extern int erase_sector_jedec(volatile uint8_t *bios, unsigned int page);
-extern int erase_block_jedec(volatile uint8_t *bios, unsigned int page);
-extern int write_sector_jedec(volatile uint8_t *bios, uint8_t *src,
-			      volatile uint8_t *dst, unsigned int page_size);
+int probe_jedec(struct flashchip *flash);
+int erase_chip_jedec(struct flashchip *flash);
+int write_jedec(struct flashchip *flash, uint8_t *buf);
+int erase_sector_jedec(volatile uint8_t *bios, unsigned int page);
+int erase_block_jedec(volatile uint8_t *bios, unsigned int page);
+int write_sector_jedec(volatile uint8_t *bios, uint8_t *src,
+		       volatile uint8_t *dst, unsigned int page_size);
 
 /* m29f400bt.c */
-extern int probe_m29f400bt(struct flashchip *flash);
-extern int erase_m29f400bt(struct flashchip *flash);
-extern int block_erase_m29f400bt(volatile uint8_t *bios,
+int probe_m29f400bt(struct flashchip *flash);
+int erase_m29f400bt(struct flashchip *flash);
+int block_erase_m29f400bt(volatile uint8_t *bios,
 				 volatile uint8_t *dst);
-extern int write_m29f400bt(struct flashchip *flash, uint8_t *buf);
-extern int write_linuxbios_m29f400bt(struct flashchip *flash, uint8_t *buf);
-extern void toggle_ready_m29f400bt(volatile uint8_t *dst);
-extern void data_polling_m29f400bt(volatile uint8_t *dst, uint8_t data);
-extern void protect_m29f400bt(volatile uint8_t *bios);
-extern void write_page_m29f400bt(volatile uint8_t *bios, uint8_t *src,
-				 volatile uint8_t *dst, int page_size);
+int write_m29f400bt(struct flashchip *flash, uint8_t *buf);
+int write_linuxbios_m29f400bt(struct flashchip *flash, uint8_t *buf);
+void toggle_ready_m29f400bt(volatile uint8_t *dst);
+void data_polling_m29f400bt(volatile uint8_t *dst, uint8_t data);
+void protect_m29f400bt(volatile uint8_t *bios);
+void write_page_m29f400bt(volatile uint8_t *bios, uint8_t *src,
+			  volatile uint8_t *dst, int page_size);
 
 /* mx29f002.c */
-extern int probe_29f002(struct flashchip *flash);
-extern int erase_29f002(struct flashchip *flash);
-extern int write_29f002(struct flashchip *flash, uint8_t *buf);
+int probe_29f002(struct flashchip *flash);
+int erase_29f002(struct flashchip *flash);
+int write_29f002(struct flashchip *flash, uint8_t *buf);
 
 /* pm49fl004.c */
-extern int probe_49fl004(struct flashchip *flash);
-extern int erase_49fl004(struct flashchip *flash);
-extern int write_49fl004(struct flashchip *flash, uint8_t *buf);
+int probe_49fl004(struct flashchip *flash);
+int erase_49fl004(struct flashchip *flash);
+int write_49fl004(struct flashchip *flash, uint8_t *buf);
 
 /* sharplhf00l04.c */
-extern int probe_lhf00l04(struct flashchip *flash);
-extern int erase_lhf00l04(struct flashchip *flash);
-extern int write_lhf00l04(struct flashchip *flash, uint8_t *buf);
-extern void toggle_ready_lhf00l04(volatile uint8_t *dst);
-extern void data_polling_lhf00l04(volatile uint8_t *dst, uint8_t data);
-extern void protect_lhf00l04(volatile uint8_t *bios);
+int probe_lhf00l04(struct flashchip *flash);
+int erase_lhf00l04(struct flashchip *flash);
+int write_lhf00l04(struct flashchip *flash, uint8_t *buf);
+void toggle_ready_lhf00l04(volatile uint8_t *dst);
+void data_polling_lhf00l04(volatile uint8_t *dst, uint8_t data);
+void protect_lhf00l04(volatile uint8_t *bios);
 
 /* sst28sf040.c */
-extern int probe_28sf040(struct flashchip *flash);
-extern int erase_28sf040(struct flashchip *flash);
-extern int write_28sf040(struct flashchip *flash, uint8_t *buf);
+int probe_28sf040(struct flashchip *flash);
+int erase_28sf040(struct flashchip *flash);
+int write_28sf040(struct flashchip *flash, uint8_t *buf);
 
 /* sst39sf020.c */
-extern int probe_39sf020(struct flashchip *flash);
-extern int write_39sf020(struct flashchip *flash, uint8_t *buf);
+int probe_39sf020(struct flashchip *flash);
+int write_39sf020(struct flashchip *flash, uint8_t *buf);
 
 /* sst49lf040.c */
-extern int erase_49lf040(struct flashchip *flash);
-extern int write_49lf040(struct flashchip *flash, uint8_t *buf);
+int erase_49lf040(struct flashchip *flash);
+int write_49lf040(struct flashchip *flash, uint8_t *buf);
 
 /* sst49lfxxxc.c */
-extern int probe_49lfxxxc(struct flashchip *flash);
-extern int erase_49lfxxxc(struct flashchip *flash);
-extern int write_49lfxxxc(struct flashchip *flash, uint8_t *buf);
+int probe_49lfxxxc(struct flashchip *flash);
+int erase_49lfxxxc(struct flashchip *flash);
+int write_49lfxxxc(struct flashchip *flash, uint8_t *buf);
 
 /* sst_fwhub.c */
-extern int probe_sst_fwhub(struct flashchip *flash);
-extern int erase_sst_fwhub(struct flashchip *flash);
-extern int write_sst_fwhub(struct flashchip *flash, uint8_t *buf);
+int probe_sst_fwhub(struct flashchip *flash);
+int erase_sst_fwhub(struct flashchip *flash);
+int write_sst_fwhub(struct flashchip *flash, uint8_t *buf);
 
 /* w29ee011.c */
-extern int probe_w29ee011(struct flashchip *flash);
+int probe_w29ee011(struct flashchip *flash);
 
 /* w49f002u.c */
-extern int write_49f002(struct flashchip *flash, uint8_t *buf);
+int write_49f002(struct flashchip *flash, uint8_t *buf);
 
 #endif				/* !__FLASH_H__ */
diff --git a/msys_doc.h b/msys_doc.h
index caa7807..13915c9 100644
--- a/msys_doc.h
+++ b/msys_doc.h
@@ -91,9 +91,9 @@
 #define doc_toggle(base)   /* 0, 1, 0, 1, 0, 1, ... if a doc is present */ \
 	( (doc_read(base, ECCConfiguration) & 0x04) >> 2 )
 
-extern int probe_md2802(struct flashchip *flash);
-extern int read_md2802(struct flashchip *flash, uint8_t *buf);
-extern int erase_md2802(struct flashchip *flash);
-extern int write_md2802(struct flashchip *flash, uint8_t *buf);
+int probe_md2802(struct flashchip *flash);
+int read_md2802(struct flashchip *flash, uint8_t *buf);
+int erase_md2802(struct flashchip *flash);
+int write_md2802(struct flashchip *flash, uint8_t *buf);
 
 #endif				/* !__MSYS_DOC_H__ */