diff --git a/jetty-servlets/src/main/java/org/eclipse/jetty/servlets/PushSessionCacheFilter.java b/jetty-servlets/src/main/java/org/eclipse/jetty/servlets/PushSessionCacheFilter.java
index 4fa0ea1028cb..81b85cb2b85e 100644
--- a/jetty-servlets/src/main/java/org/eclipse/jetty/servlets/PushSessionCacheFilter.java
+++ b/jetty-servlets/src/main/java/org/eclipse/jetty/servlets/PushSessionCacheFilter.java
@@ -41,6 +41,10 @@
 import org.eclipse.jetty.util.log.Log;
 import org.eclipse.jetty.util.log.Logger;
 
+/**
+ * @deprecated no replacement for this deprecated http feature
+ */
+@Deprecated
 public class PushSessionCacheFilter implements Filter
 {
     private static final String TARGET_ATTR = "PushCacheFilter.target";
@@ -49,6 +53,11 @@ public class PushSessionCacheFilter implements Filter
     private final ConcurrentMap<String, Target> _cache = new ConcurrentHashMap<>();
     private long _associateDelay = 5000L;
 
+    public PushSessionCacheFilter()
+    {
+        LOG.warn(PushSessionCacheFilter.class.getSimpleName() + " is an example class not suitable for production.");
+    }
+
     @Override
     public void init(FilterConfig config) throws ServletException
     {