diff --git a/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
index 079df2ac8..f61598c03 100644
--- a/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
+++ b/app/src/main/java/com/fongmi/android/tv/ui/adapter/BaseDiffAdapter.java
@@ -16,7 +16,7 @@ import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-public abstract class BaseDiffAdapter<T extends Diffable<T> & Comparable<? super T>, VH extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<VH> {
+public abstract class BaseDiffAdapter<T extends Diffable<T>, VH extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<VH> {
 
     protected final AsyncListDiffer<T> differ;