diff --git a/extensions-core/src/main/java/org/thingsboard/server/extensions/core/plugin/telemetry/SubscriptionManager.java b/extensions-core/src/main/java/org/thingsboard/server/extensions/core/plugin/telemetry/SubscriptionManager.java
index ea7a185b20..8788f3ebf6 100644
--- a/extensions-core/src/main/java/org/thingsboard/server/extensions/core/plugin/telemetry/SubscriptionManager.java
+++ b/extensions-core/src/main/java/org/thingsboard/server/extensions/core/plugin/telemetry/SubscriptionManager.java
@@ -15,7 +15,6 @@
  */
 package org.thingsboard.server.extensions.core.plugin.telemetry;
 
-import com.sun.javafx.collections.MappingChange;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.server.common.data.DataConstants;