dependency:analyze shows errors

[INFO] Used undeclared dependencies:
[INFO] org.codehaus.plexus:plexus-utils:jar:1.0.4:compile
[INFO] org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-8:compile
[INFO] doxia:doxia-core:jar:1.0-alpha-4:compile
[INFO] org.apache.maven:maven-plugin-descriptor:jar:2.0.5:compile
[INFO] org.apache.maven.reporting:maven-reporting-api:jar:2.0:compile
[INFO] org.apache.maven:maven-artifact:jar:2.0:compile
[INFO] doxia:doxia-sink-api:jar:1.0-alpha-4:compile
[INFO] Unused declared dependencies:
[INFO] org.apache.maven:maven-plugin-tools-beanshell:jar:2.1:runtime
[INFO] org.apache.maven:maven-plugin-tools-java:jar:2.1:runtime