diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/util/AggregatedObservableList.java b/HMCL/src/main/java/org/jackhuang/hmcl/util/AggregatedObservableList.java
index 5798661f0..450540e14 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/util/AggregatedObservableList.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/util/AggregatedObservableList.java
@@ -43,7 +43,7 @@ public class AggregatedObservableList<T> {
      * @return an unmodifiable view of the aggregatedList
      */
     public ObservableList<T> getAggregatedList() {
-        return FXCollections.unmodifiableObservableList(aggregatedList);
+        return aggregatedList;
     }
 
     public void appendList(@NotNull ObservableList<T> list) {
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/Platform.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/Platform.java
index 75494e1de..c07e85791 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/Platform.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/platform/Platform.java
@@ -44,13 +44,6 @@ public enum Platform {
         return bit;
     }
 
-    /**
-     * The platform of current Java Environment.
-     */
-    public static Platform getPlatform() {
-        return Architecture.CURRENT.getPlatform();
-    }
-
     /**
      * The json serializer to {@link Platform}.
      */