diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 3a0c83d..ae9c21b 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -100,7 +100,6 @@
 int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 #endif
 #if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-extern uchar (*env_get_char)(int); /* Returns a character from the environment */
 static boot_os_fn do_bootm_artos;
 #endif