Regression: Duplicated option: verbose

[ERROR] Failed to execute goal org.apache.cxf:cxf-codegen-plugin:2.5.1:wsdl2java (default) on project cxf-utils: org.apache.cxf.tools.common.toolspec.parser.BadUsageException: Duplicated option: verbose -> [Help 1]

          <plugins>
                        <!-- done implicity by the service generation -->
                        <!-- <plugin> <groupId>org.apache.cxf</groupId> <artifactId>cxf-xjc-plugin</artifactId> 
                                <version>2.3.2</version> <executions> <execution> <phase>generate-sources</phase> 
                                <goals> <goal>xsdtojava</goal> </goals> </execution> </executions> <configuration> 
                                <xsdOptions> <xsdOption> <xsd>src/main/resources/WSCommon_v21.xsd</xsd> <packagename>com.edb.finance.common.cxf.utils.generated</packagename> 
                                </xsdOption> </xsdOptions> </configuration> </plugin> -->
                        <plugin>
                                <groupId>org.apache.cxf</groupId>
                                <artifactId>cxf-codegen-plugin</artifactId>
                                <version>${cxf.version}</version>
                                <dependencies>
                                        <dependency>
                                                <groupId>org.apache.cxf.xjcplugins</groupId>
                                                <artifactId>cxf-xjc-ts</artifactId>
                                                <version>2.4.0</version>
                                        </dependency>
                                        <dependency>
                                                <groupId>net.java.dev.jaxb2-commons</groupId>
                                                <artifactId>jaxb-fluent-api</artifactId>
                                                <version>2.1.8</version>
                                        </dependency>
                                </dependencies>
                                <configuration>
                                        <defaultOptions>
                                                <packagenames>
                                                        <packagename>http://edb.com/ws/WSCommon_v21=com.edb.finance.common.cxf.utils.generated</packagename>
                                                        <packagename>http://ping.monapp.finance.edb.com=com.edb.finance.common.cxf.utils.generated.monapp.ping</packagename>
                                                        <packagename>http://ping.ws.monapp.finance.edb.com=com.edb.finance.common.cxf.utils.generated.monapp.ws.ping</packagename>
                                                </packagenames>
                                                <validateWsdl>true</validateWsdl>
                                                <extraargs>
                                                        <extraarg>-xjc-Xts</extraarg>
                                                        <extraarg>-xjc-Xfluent-api</extraarg>
                                                        <extraarg>-verbose</extraarg>
                                                </extraargs>
                                                <bindingFiles>
                                                        <bindingFile>${basedir}/src/main/resources/wsdl/jaxbbindings.xml</bindingFile>
                                                </bindingFiles>
                                        </defaultOptions>
                                </configuration>
                                <executions>
                                        <execution>
                                                <goals>
                                                        <goal>wsdl2java</goal>
                                                </goals>
                                        </execution>
                                </executions>
                        </plugin>