diff --git a/jetty-server/src/main/java/org/eclipse/jetty/server/session/NullSessionCache.java b/jetty-server/src/main/java/org/eclipse/jetty/server/session/NullSessionCache.java
index 254778667af..745f97eabc3 100644
--- a/jetty-server/src/main/java/org/eclipse/jetty/server/session/NullSessionCache.java
+++ b/jetty-server/src/main/java/org/eclipse/jetty/server/session/NullSessionCache.java
@@ -87,7 +87,8 @@ public class NullSessionCache extends AbstractSessionCache
     @Override
     public void setEvictionPolicy(int evictionTimeout)
     {
-        LOG.warn("Ignoring eviction setting: {}", evictionTimeout);
+        if (LOG.isDebugEnabled())
+            LOG.debug("Ignoring eviction setting: {}", evictionTimeout);
     }
 
     @Override