diff --git a/common/cmd_flash.c b/common/cmd_flash.c
index e55d366..687eb68 100644
--- a/common/cmd_flash.c
+++ b/common/cmd_flash.c
@@ -289,7 +289,7 @@
 }
 #endif /* CONFIG_SYS_NO_FLASH */
 
-int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_flinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 #ifndef CONFIG_SYS_NO_FLASH
 	ulong bank;
@@ -321,7 +321,7 @@
 	return 0;
 }
 
-int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_flerase(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 #ifndef CONFIG_SYS_NO_FLASH
 	flash_info_t *info = NULL;
@@ -454,7 +454,7 @@
 }
 #endif /* CONFIG_SYS_NO_FLASH */
 
-int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_protect(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	int rcode = 0;
 #ifndef CONFIG_SYS_NO_FLASH