@Service are constructed twice

I have a problem with my Spring application where my @Service classes are being created twice when the application starts. I know this is a problem with my configuration, as I've experienced it before, but what exactly am I doing wrong?

Is there anything fundamentally wrong with the way I've laid out my config, below? (I have omitted everything I deem to be irrelevant)

web.xml:

<servlet>
    <servlet-name>myapp</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>myapp</servlet-name>
    <url-pattern>/</url-pattern>
</servlet-mapping>

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>
        /WEB-INF/myapp-config.xml
        /WEB-INF/myapp-security.xml
        /WEB-INF/myapp-mvc.xml
    </param-value>
</context-param>

<listener>
    <listener-class>com.myapp.servlet.MyAppContextListener</listener-class>
</listener>

<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

myapp-servlet.xml

<context:component-scan base-package="com.myapp" annotation-config="true" />
<mvc:annotation-driven />

myapp-config.xml

<context:component-scan base-package="com.myapp" annotation-config="true" />
<context:annotation-config />