diff --git a/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java b/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
index 6f5b9c211..0af79ae3f 100644
--- a/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
+++ b/core/src/main/java/org/apache/struts2/views/freemarker/FreemarkerManager.java
@@ -148,7 +148,7 @@ public class FreemarkerManager {
         this.tagLibraries = Collections.unmodifiableMap(map);
     }
 
-    public final synchronized freemarker.template.Configuration getConfiguration(ServletContext servletContext) throws TemplateException {
+    public synchronized freemarker.template.Configuration getConfiguration(ServletContext servletContext) throws TemplateException {
         freemarker.template.Configuration config = (freemarker.template.Configuration) servletContext.getAttribute(CONFIG_SERVLET_CONTEXT_KEY);
 
         if (config == null) {