diff --git a/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java b/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
index 892eb996bf..37f5b16b26 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/DefaultSystemDataLoaderService.java
@@ -534,6 +534,7 @@ public class DefaultSystemDataLoaderService implements SystemDataLoaderService {
         this.deleteSystemWidgetBundle("count_widgets");
         this.deleteSystemWidgetBundle("status_indicators");
         this.deleteSystemWidgetBundle("outdoor_environment");
+        this.deleteSystemWidgetBundle("liquid_level_widgets");
         installScripts.loadSystemWidgets();
     }