diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 1dd59aca..8bb42bf5 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -431,10 +431,6 @@ static const struct commands command[] = {
  */
 static size_t cmd_index = CMD_NULL;
 
-#ifndef errno
-extern int errno;
-#endif
-
 typedef char assert_argc3[(ARGC_3==3)?1:-1];
 typedef char assert_argc4[(ARGC_4==4)?1:-1];