diff --git a/Marlin/macros.h b/Marlin/macros.h
index 5f53ee987ca7fb21cecc745c5509dc597aba3f43..69ecc6fdb8ad0ec46d7e9e1e4efb0ec00f34a04e 100644
--- a/Marlin/macros.h
+++ b/Marlin/macros.h
@@ -60,4 +60,6 @@
 #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
 #define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
 
+#define NOOP do{}while(0)
+
 #endif //__MACROS_H
diff --git a/Marlin/ultralcd.h b/Marlin/ultralcd.h
index 9665c2ce9caa06b09d7db6b102b68d16258d9feb..e20f5cc332d0c2074e4e78d657ab972dfb6f7c45 100644
--- a/Marlin/ultralcd.h
+++ b/Marlin/ultralcd.h
@@ -156,8 +156,8 @@
   FORCE_INLINE void lcd_reset_alert_level() {}
   FORCE_INLINE bool lcd_detected(void) { return true; }
 
-  #define LCD_MESSAGEPGM(x) do{}while(0)
-  #define LCD_ALERTMESSAGEPGM(x) do{}while(0)
+  #define LCD_MESSAGEPGM(x) NOOP
+  #define LCD_ALERTMESSAGEPGM(x) NOOP
 
 #endif //ULTRA_LCD