Take a look at the maven dependency:analyze output
Mojo [WARNING] Used undeclared dependencies found: [WARNING] org.codehaus.plexus:plexus-utils:jar:1.5.6:compile [WARNING] Unused declared dependencies found: [WARNING] junit:junit:jar:4.7:test Collections [WARNING] Unused declared dependencies found: [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:test Math [WARNING] Unused declared dependencies found: [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:test Core [WARNING] Used undeclared dependencies found: [WARNING] org.apache.mahout:mahout-collections:jar:0.3-SNAPSHOT:compile [WARNING] Unused declared dependencies found: [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:test [WARNING] com.google.collections:google-collections:jar:1.0-rc5:compile [WARNING] commons-logging:commons-logging:jar:1.1.1:compile Taste [WARNING] Unused declared dependencies found: [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:compile [WARNING] axis:axis:jar:1.4:compile [WARNING] junit:junit:jar:4.7:test Utils [WARNING] Used undeclared dependencies found: [WARNING] org.apache.mahout:mahout-math:jar:0.3-SNAPSHOT:compile [WARNING] org.apache.mahout:mahout-collections:jar:0.3-SNAPSHOT:compile [WARNING] org.apache.mahout.commons:commons-cli:jar:2.0-mahout:compile [WARNING] org.apache.hadoop:hadoop-core:jar:0.20.2-SNAPSHOT:compile [WARNING] Unused declared dependencies found: [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:compile Examples [WARNING] Used undeclared dependencies found: [WARNING] commons-lang:commons-lang:jar:2.4:compile [WARNING] org.uncommons.maths:uncommons-maths:jar:1.2:compile [WARNING] org.apache.mahout:mahout-math:jar:0.3-SNAPSHOT:compile [WARNING] org.apache.mahout.commons:commons-cli:jar:2.0-mahout:compile [WARNING] org.apache.hadoop:hadoop-core:jar:0.20.2-SNAPSHOT:compile [WARNING] org.apache.lucene:lucene-core:jar:2.9.1:compile [WARNING] Unused declared dependencies found: [WARNING] org.apache.lucene:lucene-benchmark:jar:2.9.1:compile [WARNING] org.slf4j:slf4j-jcl:jar:1.5.8:compile [WARNING] org.apache.commons:commons-compress:jar:1.0:compile [WARNING] net.java.dev.jets3t:jets3t:jar:0.7.1:compile Robin
