dependency-management is checking for SNAPSHOT updates

In my pom I have

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>cz.komix.maven</groupId>
				<artifactId>spring-security-deps</artifactId>
				<type>pom</type>
				<version>3.0.5</version>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

cz.komix.maven:spring-security-deps:3.0.5 is simple pom with dependencyManagement section with spring artifacts versions

Running mvn site with <report>dependency-management</report> cause version update checks for every of those spring artifact. Is there any reason for such update check?
It is made for every artifact in dependency-management section, even for those that is are not even used as dependency! It should be possible to turn it off like <dependencyDetailsEnabled>false</dependencyDetailsEnabled> at least.