diff --git a/docs/topics/impala_udf.xml b/docs/topics/impala_udf.xml
index 13595948b..0df8875a5 100644
--- a/docs/topics/impala_udf.xml
+++ b/docs/topics/impala_udf.xml
@@ -600,13 +600,6 @@ IntVal AddUdf(FunctionContext* context, const IntVal& arg1, const IntVal&amp
             </p>
           </li>
 
-          <li>
-            <p>
-              Each kind of struct has a <codeph>null()</codeph> member function that returns an instance of the
-              struct with the <codeph>is_null</codeph> flag set.
-            </p>
-          </li>
-
           <li>
             <p>
               Impala cannot process UDFs that accept composite or nested types