diff --git a/application/src/main/java/org/thingsboard/server/controller/RuleChainController.java b/application/src/main/java/org/thingsboard/server/controller/RuleChainController.java
index 51f3dfe92b..a588004b79 100644
--- a/application/src/main/java/org/thingsboard/server/controller/RuleChainController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/RuleChainController.java
@@ -74,8 +74,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.TreeSet;
-import java.util.UUID;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.TimeUnit;