diff --git a/archiva-cli/src/main/java/org/apache/archiva/cli/ArchivaCli.java b/archiva-cli/src/main/java/org/apache/archiva/cli/ArchivaCli.java
index 60b1c65af..9204b4c84 100644
--- a/archiva-cli/src/main/java/org/apache/archiva/cli/ArchivaCli.java
+++ b/archiva-cli/src/main/java/org/apache/archiva/cli/ArchivaCli.java
@@ -25,8 +25,6 @@ import org.apache.archiva.consumers.ConsumerException;
 import org.apache.archiva.consumers.InvalidRepositoryContentConsumer;
 import org.apache.archiva.consumers.KnownRepositoryContentConsumer;
 import org.apache.archiva.consumers.RepositoryContentConsumer;
-import org.apache.archiva.converter.RepositoryConversionException;
-import org.apache.archiva.converter.legacy.LegacyRepositoryConverter;
 import org.apache.archiva.repository.base.BasicManagedRepository;
 import org.apache.archiva.repository.scanner.RepositoryScanStatistics;
 import org.apache.archiva.repository.scanner.RepositoryScanner;
@@ -139,7 +137,7 @@ public class ArchivaCli
         }
         else if ( command.convert )
         {
-            doConversion( command.properties );
+            LOGGER.error( "Conversion is not available anymore" );
         }
         else if ( command.scan )
         {
@@ -247,38 +245,6 @@ public class ArchivaCli
         return smallNames;
     }
 
-    private void doConversion( String properties )
-        throws IOException, RepositoryConversionException
-    {
-        LegacyRepositoryConverter legacyRepositoryConverter =
-            applicationContext.getBean( LegacyRepositoryConverter.class );
-
-        Properties p = new Properties();
-
-        try (InputStream fis = Files.newInputStream( Paths.get( properties ) ))
-        {
-            p.load( fis );
-        }
-
-        Path oldRepositoryPath = Paths.get( p.getProperty( SOURCE_REPO_PATH ) );
-
-        Path newRepositoryPath = Paths.get( p.getProperty( TARGET_REPO_PATH ) );
-
-        LOGGER.info( "Converting {} to {}", oldRepositoryPath, newRepositoryPath );
-
-        List<String> fileExclusionPatterns = null;
-
-        String s = p.getProperty( BLACKLISTED_PATTERNS );
-
-        if ( s != null )
-        {
-            fileExclusionPatterns = Arrays.asList( StringUtils.split( s, "," ) );
-        }
-
-        legacyRepositoryConverter.convertLegacyRepository( oldRepositoryPath, newRepositoryPath,
-                                                           fileExclusionPatterns );
-    }
-
     private static class Commands
     {
         @Argument( description = "Display help information", value = "help", alias = "h" )
diff --git a/archiva-jetty/pom.xml b/archiva-jetty/pom.xml
index 031ac12af..21b779780 100644
--- a/archiva-jetty/pom.xml
+++ b/archiva-jetty/pom.xml
@@ -80,11 +80,6 @@
       <artifactId>mail</artifactId>
       <scope>runtime</scope>
     </dependency>
-    <dependency>
-      <groupId>org.apache.ant</groupId>
-      <artifactId>ant</artifactId>
-      <scope>runtime</scope>
-    </dependency>
   </dependencies>
   <build>
     <plugins>
diff --git a/archiva-modules/archiva-web/archiva-webapp-test/pom.xml b/archiva-modules/archiva-web/archiva-webapp-test/pom.xml
index 6aa386c86..a0d738e3f 100644
--- a/archiva-modules/archiva-web/archiva-webapp-test/pom.xml
+++ b/archiva-modules/archiva-web/archiva-webapp-test/pom.xml
@@ -572,7 +572,7 @@
               <dependency>
                 <groupId>javax.mail</groupId>
                 <artifactId>mail</artifactId>
-                <version>${javaxMailVersion}</version>
+                <version>${javax.mail.version}</version>
               </dependency>
               <dependency>
                 <groupId>com.google.guava</groupId>
diff --git a/archiva-modules/archiva-web/archiva-webapp/pom.xml b/archiva-modules/archiva-web/archiva-webapp/pom.xml
index ac49d62bf..ca71b12d8 100644
--- a/archiva-modules/archiva-web/archiva-webapp/pom.xml
+++ b/archiva-modules/archiva-web/archiva-webapp/pom.xml
@@ -743,7 +743,7 @@
           <dependency>
             <groupId>javax.mail</groupId>
             <artifactId>mail</artifactId>
-            <version>${javaxMailVersion}</version>
+            <version>${javax.mail.version}</version>
           </dependency>
           <dependency>
             <groupId>org.apache.openjpa</groupId>
diff --git a/pom.xml b/pom.xml
index 46a9840b6..55477dda9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,8 @@
     <!-- Java Enterprise APIs -->
     <javax.servlet.version>4.0.1</javax.servlet.version>
     <javax.activation.version>1.1.1</javax.activation.version>
-
+    <javax.mail.version>1.4</javax.mail.version>
+    <jaxrs.version>2.0</jaxrs.version>
 
     <commons-codec.version>1.13</commons-codec.version>
     <commons-collections.version>4.4</commons-collections.version>
@@ -89,13 +90,9 @@
     <derbyVersion>10.13.1.1</derbyVersion>
     <httpclient.version>4.5.2</httpclient.version>
     <httpclient.core.version>4.4.4</httpclient.core.version>
-    <javaxMailVersion>1.4</javaxMailVersion>
 
-    <guava.version>15.0</guava.version>
     <openjpaVersion>2.4.1</openjpaVersion>
 
-    <asm.version>5.0.4</asm.version>
-
     <modelmapper.version>2.3.5</modelmapper.version>
 
     <!-- restore when we will be able to use a derby in memory database -->
@@ -123,6 +120,10 @@
 
     <jacocoproperty/>
     <jacoco.plugin.version>0.7.9</jacoco.plugin.version>
+
+    <joda.time.version>1.5.2</joda.time.version>
+
+    <cglib.version>2.2.2</cglib.version>
   </properties>
 
   <dependencyManagement>
@@ -167,7 +168,7 @@
       <dependency>
         <groupId>javax.ws.rs</groupId>
         <artifactId>javax.ws.rs-api</artifactId>
-        <version>2.0</version>
+        <version>${jaxrs.version}</version>
       </dependency>
 
 
@@ -643,12 +644,6 @@
       </dependency>
 
 
-      <dependency>
-        <groupId>com.lmax</groupId>
-        <artifactId>disruptor</artifactId>
-        <version>3.3.6</version>
-      </dependency>
-
       <dependency>
         <groupId>com.zaxxer</groupId>
         <artifactId>HikariCP</artifactId>
@@ -675,32 +670,9 @@
           </exclusion>
         </exclusions>
       </dependency>
-      <dependency>
-        <groupId>com.google.inject</groupId>
-        <artifactId>guice</artifactId>
-        <version>4.1.0</version>
-        <classifier>no_aop</classifier>
-        <exclusions>
-          <exclusion>
-            <groupId>aopalliance</groupId>
-            <artifactId>aopalliance</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
 
 
 
-      <!-- normally not needed as we are 1.6 required
-        but due to http://jira.codehaus.org/browse/MODELLO-266
-        and we use stax reader produced by modello
-        ibm jdk stax impl won't work with
-       -->
-      <dependency>
-        <groupId>org.codehaus.woodstox</groupId>
-        <artifactId>woodstox-core-asl</artifactId>
-        <version>4.2.0</version>
-      </dependency>
-
       <!-- START SNIPPET: rest-dependencies -->
       <dependency>
         <groupId>com.fasterxml.jackson.jaxrs</groupId>
@@ -740,26 +712,12 @@
         <version>${project.version}</version>
       </dependency>
       <!-- END SNIPPET: rest-dependencies -->
+
       <dependency>
         <groupId>org.apache.archiva</groupId>
         <artifactId>archiva-rest-services</artifactId>
         <version>${project.version}</version>
       </dependency>
-      <dependency>
-        <groupId>com.google.guava</groupId>
-        <artifactId>guava</artifactId>
-        <version>${guava.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>stax</groupId>
-        <artifactId>stax</artifactId>
-        <version>1.2.0</version>
-      </dependency>
-      <dependency>
-        <groupId>javax.xml.stream</groupId>
-        <artifactId>stax-api</artifactId>
-        <version>1.0-2</version>
-      </dependency>
 
       <dependency>
         <groupId>org.modelmapper</groupId>
@@ -847,11 +805,6 @@
         <artifactId>commons-text</artifactId>
         <version>${commons.text.version}</version>
       </dependency>
-      <dependency>
-        <groupId>org.apache.commons</groupId>
-        <artifactId>commons-compress</artifactId>
-        <version>1.2</version>
-      </dependency>
       <dependency>
         <groupId>org.apache.derby</groupId>
         <artifactId>derby</artifactId>
@@ -862,52 +815,12 @@
         <artifactId>derbytools</artifactId>
         <version>${derbyVersion}</version>
       </dependency>
-      <dependency>
-        <groupId>org.dom4j</groupId>
-        <artifactId>dom4j</artifactId>
-        <version>2.1.1</version>
-      </dependency>
       <dependency>
         <groupId>org.hsqldb</groupId>
         <artifactId>hsqldb</artifactId>
         <version>${hsqldb.version}</version>
         <scope>test</scope>
       </dependency>
-      <dependency>
-        <groupId>jaxen</groupId>
-        <artifactId>jaxen</artifactId>
-        <version>1.1</version>
-        <exclusions>
-          <exclusion>
-            <groupId>xom</groupId>
-            <artifactId>xom</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>xerces</groupId>
-            <artifactId>xercesImpl</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-      <dependency>
-        <groupId>jpox</groupId>
-        <artifactId>jpox</artifactId>
-        <version>1.1.9-1</version>
-        <exclusions>
-          <exclusion>
-            <groupId>javax.transaction</groupId>
-            <artifactId>jta</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>geronimo-spec</groupId>
-            <artifactId>geronimo-spec-jta</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-      <dependency>
-        <groupId>jpox</groupId>
-        <artifactId>jpox-ehcache</artifactId>
-        <version>1.1.9</version>
-      </dependency>
       <dependency>
         <groupId>org.apache.archiva</groupId>
         <artifactId>archiva-lucene-consumers</artifactId>
@@ -936,7 +849,7 @@
       <dependency>
         <groupId>javax.mail</groupId>
         <artifactId>mail</artifactId>
-        <version>${javaxMailVersion}</version>
+        <version>${javax.mail.version}</version>
       </dependency>
 
 
@@ -1056,25 +969,6 @@
         <artifactId>archiva-components-expression-evaluator</artifactId>
         <version>${archiva.comp.version}</version>
       </dependency>
-      <dependency>
-        <groupId>org.codehaus.plexus</groupId>
-        <artifactId>plexus-slf4j-logging</artifactId>
-        <version>${plexus-slf4j-version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-container-default</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging-api</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
 
       <dependency>
         <groupId>org.apache.archiva.components</groupId>
@@ -1107,11 +1001,6 @@
           </exclusion>
         </exclusions>
       </dependency>
-      <dependency>
-        <groupId>org.apache.ant</groupId>
-        <artifactId>ant</artifactId>
-        <version>1.8.3</version>
-      </dependency>
       <dependency>
         <groupId>org.codehaus.plexus</groupId>
         <artifactId>plexus-utils</artifactId>
@@ -1121,12 +1010,6 @@
         <groupId>org.apache.archiva.components.cache</groupId>
         <artifactId>archiva-components-spring-cache-api</artifactId>
         <version>${archiva.comp.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>javax.annotation</groupId>
-            <artifactId>jsr250-api</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.components.cache</groupId>
@@ -1151,46 +1034,22 @@
         <artifactId>redback-rbac-memory</artifactId>
         <version>${redback.version}</version>
         <scope>test</scope>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-authorization-api</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-users-memory</artifactId>
         <version>${redback.version}</version>
         <scope>test</scope>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-keys-memory</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
@@ -1201,12 +1060,6 @@
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-keys-jpa</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
@@ -1217,132 +1070,42 @@
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-rbac-model</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-authorization-rbac</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-rbac-role-manager</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>javax.annotation</groupId>
-            <artifactId>jsr250-api</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-system</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-common-integrations</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-integrations-security</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-      <dependency>
-        <groupId>org.apache.velocity</groupId>
-        <artifactId>velocity</artifactId>
-        <version>1.7</version>
-        <exclusions>
-          <exclusion>
-            <groupId>asm</groupId>
-            <artifactId>*</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-      <dependency>
-        <groupId>org.apache.velocity</groupId>
-        <artifactId>velocity-tools</artifactId>
-        <version>1.3</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>velocity</groupId>
-            <artifactId>velocity-dep</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>velocity</groupId>
-            <artifactId>velocity</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>struts</groupId>
-            <artifactId>struts</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>javax.servlet</groupId>
-            <artifactId>servlet-api</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
 
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-rbac-cached</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-rbac-ldap</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
 
       <dependency>
@@ -1355,12 +1118,6 @@
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-rest-services</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
@@ -1378,16 +1135,6 @@
         <groupId>org.apache.archiva.redback</groupId>
         <artifactId>redback-authentication-api</artifactId>
         <version>${redback.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>javax.annotation</groupId>
-            <artifactId>jsr250-api</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
       <dependency>
         <groupId>org.apache.archiva.redback</groupId>
@@ -1442,26 +1189,6 @@
         <groupId>org.apache.archiva.components.registry</groupId>
         <artifactId>archiva-components-spring-registry-commons</artifactId>
         <version>${archiva.comp.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging-api</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-      <dependency>
-        <groupId>commons-logging</groupId>
-        <artifactId>commons-logging-api</artifactId>
-        <version>1.1</version>
-      </dependency>
-      <dependency>
-        <groupId>org.apache.geronimo.specs</groupId>
-        <artifactId>geronimo-jpa_2.0_spec</artifactId>
-        <version>1.1</version>
       </dependency>
       <dependency>
         <groupId>javax.servlet</groupId>
@@ -1545,11 +1272,6 @@
         <scope>runtime</scope>
       </dependency>
 
-      <dependency>
-        <groupId>taglibs</groupId>
-        <artifactId>standard</artifactId>
-        <version>1.1.2</version>
-      </dependency>
       <dependency>
         <groupId>org.apache.maven.wagon</groupId>
         <artifactId>wagon-file</artifactId>
@@ -1622,7 +1344,7 @@
       <dependency>
         <groupId>joda-time</groupId>
         <artifactId>joda-time</artifactId>
-        <version>1.5.2</version>
+        <version>${joda.time.version}</version>
       </dependency>
       <dependency>
         <groupId>org.eclipse.jetty</groupId>
@@ -1641,19 +1363,6 @@
       </dependency>
 
 
-      <dependency>
-        <groupId>commons-validator</groupId>
-        <artifactId>commons-validator</artifactId>
-        <version>1.6</version>
-        <exclusions>
-          <exclusion>
-            <groupId>commons-logging</groupId>
-            <artifactId>commons-logging</artifactId>
-          </exclusion>
-        </exclusions>
-      </dependency>
-
-
       <!-- JCR -->
       <dependency>
         <groupId>javax.jcr</groupId>
@@ -1742,7 +1451,7 @@
       <dependency>
         <groupId>cglib</groupId>
         <artifactId>cglib</artifactId>
-        <version>2.2.2</version>
+        <version>${cglib.version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven.shared</groupId>
@@ -1781,18 +1490,6 @@
 
       <!-- Dependencies for JDK >=9 update -->
 
-      <dependency>
-        <groupId>org.glassfish.jaxb</groupId>
-        <artifactId>jaxb-runtime</artifactId>
-        <version>2.3.2</version>
-      </dependency>
-
-      <dependency>
-        <groupId>org.ow2.asm</groupId>
-        <artifactId>asm</artifactId>
-        <version>${asm.version}</version>
-      </dependency>
-
       <dependency>
         <groupId>com.rometools</groupId>
         <artifactId>rome</artifactId>