diff --git a/koschei.cfg b/koschei.cfg
index 353495a..2817193 100644
--- a/koschei.cfg
+++ b/koschei.cfg
@@ -15,6 +15,8 @@ config = {
     "full_refs": True,
     "default_ref": None,
     "include_build_deps": False,
+    "closure": False,
+    "filter_unused": True,
 
     "api": [
         "maven",
diff --git a/maven.yaml b/maven.yaml
index 1f0ee10..0464382 100644
--- a/maven.yaml
+++ b/maven.yaml
@@ -26,6 +26,76 @@ data:
     api:
         rpms:
             - maven
+    filter:
+        rpms:
+            - aopalliance-javadoc
+            - apache-commons-cli-javadoc
+            - apache-commons-codec-javadoc
+            - apache-commons-io-javadoc
+            - apache-commons-lang3-javadoc
+            - apache-commons-logging-javadoc
+            - atinject-javadoc
+            - atinject-tck
+            - cdi-api-javadoc
+            - geronimo-annotation-javadoc
+            - glassfish-el
+            - glassfish-el-javadoc
+            - google-guice-javadoc
+            - guava-javadoc
+            - guice-assistedinject
+            - guice-bom
+            - guice-extensions
+            - guice-grapher
+            - guice-jmx
+            - guice-jndi
+            - guice-multibindings
+            - guice-parent
+            - guice-servlet
+            - guice-testlib
+            - guice-throwingproviders
+            - hawtjni
+            - hawtjni-javadoc
+            - httpcomponents-client-cache
+            - httpcomponents-client-javadoc
+            - httpcomponents-core-javadoc
+            - jansi-javadoc
+            - jansi-native-javadoc
+            - jboss-interceptors-1.2-api-javadoc
+            - jsoup-javadoc
+            - jul-to-slf4j
+            - log4j-over-slf4j
+            - maven-hawtjni-plugin
+            - maven-javadoc
+            - maven-resolver
+            - maven-resolver-javadoc
+            - maven-resolver-test-util
+            - maven-resolver-transport-classpath
+            - maven-resolver-transport-file
+            - maven-resolver-transport-http
+            - maven-shared-utils-javadoc
+            - maven-wagon
+            - maven-wagon-ftp
+            - maven-wagon-http-lightweight
+            - maven-wagon-javadoc
+            - maven-wagon-providers
+            - plexus-cipher-javadoc
+            - plexus-classworlds-javadoc
+            - plexus-containers
+            - plexus-containers-component-javadoc
+            - plexus-containers-component-metadata
+            - plexus-containers-container-default
+            - plexus-containers-javadoc
+            - plexus-interpolation-javadoc
+            - plexus-sec-dispatcher-javadoc
+            - plexus-utils-javadoc
+            - sisu-javadoc
+            - slf4j-ext
+            - slf4j-javadoc
+            - slf4j-jcl
+            - slf4j-jdk14
+            - slf4j-log4j12
+            - slf4j-manual
+            - slf4j-sources
     buildopts:
         rpms:
             macros: |