diff --git a/cas-client-core/src/main/java/org/jasig/cas/client/util/FilterToBeanProxy.java b/cas-client-core/src/main/java/org/jasig/cas/client/util/FilterToBeanProxy.java
deleted file mode 100644
index cda4fb5..0000000
--- a/cas-client-core/src/main/java/org/jasig/cas/client/util/FilterToBeanProxy.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright 2006 The JA-SIG Collaborative. All rights reserved. See license
- * distributed with this file and available online at
- * http://www.ja-sig.org/products/cas/overview/license/index.html
- */
-package org.jasig.cas.client.util;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.springframework.context.ApplicationContext;
-import org.springframework.web.context.support.WebApplicationContextUtils;
-
-import javax.servlet.Filter;
-import javax.servlet.FilterChain;
-import javax.servlet.FilterConfig;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-import java.io.IOException;
-
-/**
- * Utility class to retrieve a Filter from a Spring-managed configuration file.
- * Based on the FilterToBeanProxy class in Acegi Security (but simplified)
- *
- * @author Scott Battaglia
- * @version $Revision$ $Date$
- * @since 3.0
- */
-public class FilterToBeanProxy implements Filter {
-
-    /**
-     * The filter we are proxying.
-     */
-    private Filter filter;
-
-    /**
-     * Instance of commons logging.
-     */
-    protected final Log log = LogFactory.getLog(this.getClass());
-
-    public final void destroy() {
-        // nothing to do
-    }
-
-    public final void doFilter(final ServletRequest request,
-                               final ServletResponse response, final FilterChain chain)
-            throws IOException, ServletException {
-        this.filter.doFilter(request, response, chain);
-    }
-
-    public final void init(final FilterConfig filterConfig)
-            throws ServletException {
-        final String targetBean = filterConfig.getInitParameter("targetBean");
-
-        if (CommonUtils.isBlank(targetBean)) {
-            throw new ServletException(
-                    "init-parameter missing: targetBean is required.");
-        }
-
-        final ApplicationContext ctx = this.getContext(filterConfig);
-
-        if (!ctx.containsBean(targetBean)) {
-            throw new ServletException("targetBean '" + targetBean
-                    + "' not found in context");
-        }
-
-        log.trace("Loading filter from Spring ApplicationContext with name: " + targetBean);
-        this.filter = (Filter) ctx.getBean(targetBean, Filter.class);
-    }
-
-    protected ApplicationContext getContext(FilterConfig filterConfig) {
-        return WebApplicationContextUtils
-                .getRequiredWebApplicationContext(filterConfig.getServletContext());
-    }
-}
diff --git a/cas-client-core/src/main/resources/web-simple-example.xml b/cas-client-core/src/main/resources/web-simple-example.xml
index 372ec48..6cbeb37 100644
--- a/cas-client-core/src/main/resources/web-simple-example.xml
+++ b/cas-client-core/src/main/resources/web-simple-example.xml
@@ -17,27 +17,27 @@
 
     <filter>
         <filter-name>CAS Authentication Filter Proxy</filter-name>
-        <filter-class>org.jasig.cas.client.util.FilterToBeanProxy</filter-class>
+        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
         <init-param>
-            <param-name>targetBean</param-name>
+            <param-name>targetBeanName</param-name>
             <param-value>casAuthenticationFilter</param-value>
         </init-param>
     </filter>
 
     <filter>
         <filter-name>CAS Validation Filter Proxy</filter-name>
-        <filter-class>org.jasig.cas.client.util.FilterToBeanProxy</filter-class>
+        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
         <init-param>
-            <param-name>targetBean</param-name>
+            <param-name>targetBeanName</param-name>
             <param-value>casValidationFilter</param-value>
         </init-param>
     </filter>
 
     <filter>
         <filter-name>CAS Authorization Filter Proxy</filter-name>
-        <filter-class>org.jasig.cas.client.util.FilterToBeanProxy</filter-class>
+        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
         <init-param>
-            <param-name>targetBean</param-name>
+            <param-name>targetBeanName</param-name>
             <param-value>casAuthorizationFilter</param-value>
         </init-param>
     </filter>