diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/SelectionModelSelectedItemProperty.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/SelectionModelSelectedItemProperty.java
index 4f324dc9b..dad78b254 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/SelectionModelSelectedItemProperty.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/SelectionModelSelectedItemProperty.java
@@ -19,14 +19,13 @@ package org.jackhuang.hmcl.util.javafx;
 
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.Property;
-import javafx.beans.property.SimpleObjectProperty;
 import javafx.scene.control.ComboBox;
 import javafx.scene.control.SelectionModel;
 
 /**
  * @author yushijinhun
  */
-public final class SelectionModelSelectedItemProperty<T> extends SimpleObjectProperty<T> {
+public final class SelectionModelSelectedItemProperty {
 
     private static final String NODE_PROPERTY = SelectionModelSelectedItemProperty.class.getName() + ".instance";