diff --git a/Marlin/src/lcd/e3v2/proui/dwin.h b/Marlin/src/lcd/e3v2/proui/dwin.h
index 4197da4390..26b77da5fb 100644
--- a/Marlin/src/lcd/e3v2/proui/dwin.h
+++ b/Marlin/src/lcd/e3v2/proui/dwin.h
@@ -229,7 +229,6 @@ void ParkHead();
 #endif
 #if ENABLED(AUTO_BED_LEVELING_UBL)
   void UBLMeshTilt();
-  bool UBLValidMesh();
   void UBLMeshSave();
   void UBLMeshLoad();
 #endif