diff --git a/common/cmd_diag.c b/common/cmd_diag.c
index 7293457..091e3c8 100644
--- a/common/cmd_diag.c
+++ b/common/cmd_diag.c
@@ -28,7 +28,7 @@
 #include <command.h>
 #include <post.h>
 
-#if ((CONFIG_COMMANDS & CFG_CMD_DIAG) || defined(CONFIG_CMD_DIAG)) && defined(CONFIG_POST)
+#if defined(CONFIG_CMD_DIAG) && defined(CONFIG_POST)
 
 int do_diag (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {