diff --git a/application/src/main/java/org/thingsboard/server/controller/DashboardController.java b/application/src/main/java/org/thingsboard/server/controller/DashboardController.java
index f94c1131ed..013575361d 100644
--- a/application/src/main/java/org/thingsboard/server/controller/DashboardController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/DashboardController.java
@@ -18,7 +18,6 @@ package org.thingsboard.server.controller;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import io.swagger.v3.oas.annotations.Parameter;
-import io.swagger.v3.oas.annotations.media.ArraySchema;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.ExampleObject;
 import io.swagger.v3.oas.annotations.media.Schema;