diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index 74ff5c6..392f90f 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -198,7 +198,7 @@
  * Prompt for environment variable
  */
 #if defined(CONFIG_CMD_ASKENV)
-int do_env_ask(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+static int do_env_ask(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	char message[CONFIG_SYS_CBSIZE];
 	int i, len, pos, size;
@@ -312,8 +312,8 @@
 /*
  * Print the callbacks available and what they are bound to
  */
-int do_env_callback(struct cmd_tbl *cmdtp, int flag, int argc,
-		    char *const argv[])
+static int do_env_callback(struct cmd_tbl *cmdtp, int flag, int argc,
+			   char *const argv[])
 {
 	struct env_clbk_tbl *clbkp;
 	int i;
@@ -381,7 +381,7 @@
 /*
  * Print the flags available and what variables have flags
  */
-int do_env_flags(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+static int do_env_flags(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	/* Print the available variable types */
 	printf("Available variable type flags (position %d):\n",