code: public void unsign( File jarFile, boolean verbose )
              throws MojoExecutionException
      {
  
          if ( isJarSigned( jarFile ) )
          {
  
              // unsign jar
  
              verboseLog( verbose, "Unsign jar " + jarFile );
              try
              {
                  JarSignerUtil.unsignArchive( jarFile );
              }
              catch ( IOException e )
              {
  
                  throw new MojoExecutionException( "Could not find unsign jar " + jarFile, e );
              }
          }
          else
          {
  
              // not signed jar do nothing
              verboseLog( verbose, "Jar " + jarFile + " is not signed." );
          }
      }
docs: {@inheritDoc}