diff --git a/hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/UserAuthenticationFilter.java b/hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/UserAuthenticationFilter.java
index ecd980b03..fd59f1d30 100644
--- a/hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/UserAuthenticationFilter.java
+++ b/hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/UserAuthenticationFilter.java
@@ -8,8 +8,6 @@
  */
 package org.eclipse.hawkbit.im.authentication;
 
-import java.io.IOException;
-
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
@@ -46,14 +44,11 @@ public interface UserAuthenticationFilter {
      *            the servlet response
      * @param chain
      *            the filterchain
-     * @throws IOException
-     *             cannot read from request
      * @throws ServletException
      *             servlet exception
      */
 
-    void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
-            throws IOException, ServletException;
+    void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws ServletException;
 
     /**
      * @see Filter#destroy()