diff --git a/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java b/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
index b72c7379b2c6e359f28933ee094d9ce116ecfa2d..4e537875cb011515bda45f20ffaf2849f5727a31 100644
--- a/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
+++ b/service/src/main/java/lcsb/mapviewer/services/impl/ProjectService.java
@@ -23,7 +23,6 @@ import org.hibernate.HibernateException;
 import org.primefaces.model.DefaultTreeNode;
 import org.primefaces.model.TreeNode;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.transaction.annotation.Transactional;
 
 import lcsb.mapviewer.annotation.services.MeSHParser;
@@ -77,7 +76,6 @@ import lcsb.mapviewer.modelutils.map.ClassTreeNode;
 import lcsb.mapviewer.modelutils.map.ElementUtils;
 import lcsb.mapviewer.persist.DbUtils;
 import lcsb.mapviewer.persist.dao.ProjectDao;
-import lcsb.mapviewer.persist.dao.map.CommentDao;
 import lcsb.mapviewer.persist.dao.map.ModelDao;
 import lcsb.mapviewer.persist.dao.user.UserDao;
 import lcsb.mapviewer.services.SecurityException;
@@ -177,12 +175,6 @@ public class ProjectService implements IProjectService {
   @Autowired
   private IMiRNAService mirnaService;
 
-  /**
-   * Data access object for comments.
-   */
-  @Autowired
-  private CommentDao commentDao;
-
   /**
    * Module that allows to annotate maps.
    */
@@ -883,23 +875,6 @@ public class ProjectService implements IProjectService {
     this.commentService = commentService;
   }
 
-  /**
-   * @return the commentDao
-   * @see #commentDao
-   */
-  public CommentDao getCommentDao() {
-    return commentDao;
-  }
-
-  /**
-   * @param commentDao
-   *          the commentDao to set
-   * @see #commentDao
-   */
-  public void setCommentDao(CommentDao commentDao) {
-    this.commentDao = commentDao;
-  }
-
   /**
    * @return the modelAnnotator
    * @see #modelAnnotator