diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index d7a64b48727aedaf5879ace43dd1faf9f3b759e0..9d3b76e15ae8504551eeb23a15f9ac84aa19e5f8 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -250,7 +250,6 @@ void board_init_f(ulong board_type)
 
 void board_init_r(gd_t *new_gd, ulong dest_addr)
 {
-	extern void malloc_bin_reloc (void);
 #ifndef CONFIG_ENV_IS_NOWHERE
 	extern char * env_name_spec;
 #endif
diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c
index 65a8595c2bd684eb0483e6740cf17807554122a6..2add630abb463c6531268b2c75f6d3700bb29a4f 100644
--- a/arch/m68k/lib/board.c
+++ b/arch/m68k/lib/board.c
@@ -389,7 +389,6 @@ void board_init_r (gd_t *id, ulong dest_addr)
 {
 	char *s;
 	bd_t *bd;
-	extern void malloc_bin_reloc (void);
 
 #ifndef CONFIG_ENV_IS_NOWHERE
 	extern char * env_name_spec;
diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c
index 62d47a8bf0bb7e79d3b558729bc485a4466b41e2..b14b33efcd0bf20317f01a27b58194662aaeba14 100644
--- a/arch/mips/lib/board.c
+++ b/arch/mips/lib/board.c
@@ -248,7 +248,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
 #ifndef CONFIG_SYS_NO_FLASH
 	ulong size;
 #endif
-	extern void malloc_bin_reloc(void);
 #ifndef CONFIG_ENV_IS_NOWHERE
 	extern char *env_name_spec;
 #endif
diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c
index 2164a505f6e7a9b4677290ba4931aba28af33ec4..17d3ee071f1f09fbd61b8036e7f3023eb66f4214 100644
--- a/arch/nds32/lib/board.c
+++ b/arch/nds32/lib/board.c
@@ -306,8 +306,6 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	bd_t *bd;
 	ulong malloc_start;
 
-	extern void malloc_bin_reloc(void);
-
 	gd = id;
 	bd = gd->bd;
 
diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c
index 6f33666265ea3ae6f1389a9e1d8343d3204bc76a..ff0e0f2fd04cce0b57a2f409c2cd76f91f4a9a63 100644
--- a/arch/sparc/lib/board.c
+++ b/arch/sparc/lib/board.c
@@ -62,7 +62,6 @@ DECLARE_GLOBAL_DATA_PTR;
 */
 
 extern void timer_interrupt_init(void);
-extern void malloc_bin_reloc(void);
 extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
 extern int prom_init(void);
 
diff --git a/include/malloc.h b/include/malloc.h
index 6295929ea38b4cbf9bcd8b488d0dbee2f3f5237f..84ecf79344f6f57bbd744b18eab9b07e85d5dde6 100644
--- a/include/malloc.h
+++ b/include/malloc.h
@@ -937,6 +937,7 @@ extern ulong mem_malloc_end;
 extern ulong mem_malloc_brk;
 
 void mem_malloc_init(ulong start, ulong size);
+void malloc_bin_reloc(void);
 
 #ifdef __cplusplus
 };  /* end of extern "C" */