diff --git a/src/org/redkale/util/AsyncHandler.java b/src/org/redkale/util/AsyncHandler.java
deleted file mode 100644
index 03c2483c1..000000000
--- a/src/org/redkale/util/AsyncHandler.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package org.redkale.util;
-
-import java.util.function.BiConsumer;
-import java.nio.channels.CompletionHandler;
-import java.util.function.*;
-
-/**
- * 异步回调函数
- *
- *
- * <p>
- * 详情见: https://redkale.org
- *
- * @deprecated 使用 java.nio.channels.CompletionHandler 代替
- * @author zhangjx
- * @param <V> 结果对象的泛型
- * @param <A> 附件对象的泛型
- */
-@Deprecated
-public interface AsyncHandler<V, A> extends CompletionHandler<V, A> {
-
-    /**
-     * 创建 AsyncHandler 对象
-     *
-     * @param <V>     结果对象的泛型
-     * @param <A>     附件对象的泛型
-     * @param success 成功的回调函数
-     * @param fail    失败的回调函数
-     *
-     * @return AsyncHandler
-     */
-    public static <V, A> AsyncHandler<V, A> create(final BiConsumer<V, A> success, final BiConsumer<Throwable, A> fail) {
-        return new AsyncHandler<V, A>() {
-            @Override
-            public void completed(V result, A attachment) {
-                if (success != null) success.accept(result, attachment);
-            }
-
-            @Override
-            public void failed(Throwable exc, A attachment) {
-                if (fail != null) fail.accept(exc, attachment);
-            }
-        };
-    }
-
-    /**
-     * 创建没有返回结果的 AsyncHandler 对象
-     *
-     * @param <A>     附件对象的泛型
-     * @param success 成功的回调函数
-     * @param fail    失败的回调函数
-     *
-     * @return AsyncHandler
-     */
-    public static <A> AsyncHandler<Void, A> create(final Consumer<A> success, final BiConsumer<Throwable, A> fail) {
-        return new AsyncHandler<Void, A>() {
-            @Override
-            public void completed(Void result, A attachment) {
-                if (success != null) success.accept(attachment);
-            }
-
-            @Override
-            public void failed(Throwable exc, A attachment) {
-                if (fail != null) fail.accept(exc, attachment);
-            }
-        };
-    }
-
-    /**
-     * 创建没有附件对象的 AsyncNoResultHandler 对象
-     *
-     * @param <V>     结果对象的泛型
-     * @param success 成功的回调函数
-     * @param fail    失败的回调函数
-     *
-     * @return AsyncHandler
-     */
-    public static <V> AsyncHandler<V, Void> create(final Consumer<V> success, final Consumer<Throwable> fail) {
-        return new AsyncHandler<V, Void>() {
-            @Override
-            public void completed(V result, Void attachment) {
-                if (success != null) success.accept(result);
-            }
-
-            @Override
-            public void failed(Throwable exc, Void attachment) {
-                if (fail != null) fail.accept(exc);
-            }
-        };
-    }
-
-}
diff --git a/src/org/redkale/util/ObjectPool.java b/src/org/redkale/util/ObjectPool.java
index da6d94bd4..d94f32d02 100644
--- a/src/org/redkale/util/ObjectPool.java
+++ b/src/org/redkale/util/ObjectPool.java
@@ -98,11 +98,6 @@ public final class ObjectPool<T> implements Supplier<T>, Consumer<T> {
         }
     }
 
-    @Deprecated
-    public void offer(final T e) {
-        accept(e);
-    }
-
     public long getCreatCount() {
         return creatCounter.longValue();
     }