Index: lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/Dimdim.java
===================================================================
diff -u -r718613f72e0fc64be2db39de3c6c3682852d815b -rfa35e59e326d6f4e578ed0af472aca020bb7930b
--- lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/Dimdim.java	(.../Dimdim.java)	(revision 718613f72e0fc64be2db39de3c6c3682852d815b)
+++ lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/Dimdim.java	(.../Dimdim.java)	(revision fa35e59e326d6f4e578ed0af472aca020bb7930b)
@@ -83,34 +83,6 @@
 
     private Integer maxAttendeeMikes;
 
-    // Constructors
-
-    /** default constructor */
-    public Dimdim() {
-    }
-
-    /** full constructor */
-    // TODO check full constructor to see whether we need add new fields
-    public Dimdim(Date createDate, Date updateDate, Long createBy, String title, String instructions,
-	    boolean runOffline, boolean lockOnFinished, boolean filteringEnabled, String filterKeywords,
-	    String onlineInstructions, String offlineInstructions, boolean contentInUse, boolean defineLater,
-	    Long toolContentId, Set<DimdimAttachment> dimdimAttachments, Set<DimdimSession> dimdimSessions) {
-	this.createDate = createDate;
-	this.updateDate = updateDate;
-	this.createBy = createBy;
-	this.title = title;
-	this.instructions = instructions;
-	this.runOffline = runOffline;
-	this.lockOnFinished = lockOnFinished;
-	this.onlineInstructions = onlineInstructions;
-	this.offlineInstructions = offlineInstructions;
-	this.contentInUse = contentInUse;
-	this.defineLater = defineLater;
-	this.toolContentId = toolContentId;
-	this.dimdimAttachments = dimdimAttachments;
-	this.dimdimSessions = dimdimSessions;
-    }
-
     // Property accessors
     /**
      * @hibernate.id generator-class="native" type="java.lang.Long" column="uid"
Index: lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimAttachment.java
===================================================================
diff -u -rd6d2a4921fc7dcdcf19f722ff0a4d6b28a15fbb6 -rfa35e59e326d6f4e578ed0af472aca020bb7930b
--- lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimAttachment.java	(.../DimdimAttachment.java)	(revision d6d2a4921fc7dcdcf19f722ff0a4d6b28a15fbb6)
+++ lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimAttachment.java	(.../DimdimAttachment.java)	(revision fa35e59e326d6f4e578ed0af472aca020bb7930b)
@@ -59,12 +59,6 @@
 
     private Dimdim dimdim;
 
-    // Constructors
-
-    /** default constructor */
-    public DimdimAttachment() {
-    }
-
     /** Constructor setting up all the properties except for dimdim one */
     public DimdimAttachment(Long fileVersionId, String fileType, String fileName, Long fileUuid, Date createDate) {
 	this.fileVersionId = fileVersionId;
Index: lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimSession.java
===================================================================
diff -u -rb7cae3b9ce92b3c084df9258e703fcf2d75fbd33 -rfa35e59e326d6f4e578ed0af472aca020bb7930b
--- lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimSession.java	(.../DimdimSession.java)	(revision b7cae3b9ce92b3c084df9258e703fcf2d75fbd33)
+++ lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimSession.java	(.../DimdimSession.java)	(revision fa35e59e326d6f4e578ed0af472aca020bb7930b)
@@ -65,30 +65,12 @@
 
     private Integer maxAttendeeMikes;
 
-    // Constructors
-
-    /** default constructor */
-    public DimdimSession() {
-    }
-
-    /** full constructor */
-    public DimdimSession(Date sessionEndDate, Date sessionStartDate, Integer status, Long sessionId,
-	    String sessionName, Dimdim dimdim, Set<DimdimUser> dimdimUsers) {
-	this.sessionEndDate = sessionEndDate;
-	this.sessionStartDate = sessionStartDate;
-	this.status = status;
-	this.sessionId = sessionId;
-	this.sessionName = sessionName;
-	this.dimdim = dimdim;
-	this.dimdimUsers = dimdimUsers;
-    }
-
     // Property accessors
+
     /**
      * @hibernate.id generator-class="native" type="java.lang.Long" column="uid"
      * 
      */
-
     public Long getUid() {
 	return this.uid;
     }
@@ -101,7 +83,6 @@
      * @hibernate.property column="session_end_date"
      * 
      */
-
     public Date getSessionEndDate() {
 	return this.sessionEndDate;
     }
@@ -114,7 +95,6 @@
      * @hibernate.property column="session_start_date"
      * 
      */
-
     public Date getSessionStartDate() {
 	return this.sessionStartDate;
     }
@@ -127,7 +107,6 @@
      * @hibernate.property column="status" length="11"
      * 
      */
-
     public Integer getStatus() {
 	return this.status;
     }
@@ -140,7 +119,6 @@
      * @hibernate.property column="session_id" length="20"
      * 
      */
-
     public Long getSessionId() {
 	return this.sessionId;
     }
@@ -153,7 +131,6 @@
      * @hibernate.property column="session_name" length="250"
      * 
      */
-
     public String getSessionName() {
 	return this.sessionName;
     }
@@ -167,7 +144,6 @@
      * @hibernate.column name="dimdim_uid"
      * 
      */
-
     public Dimdim getDimdim() {
 	return this.dimdim;
     }
@@ -182,7 +158,6 @@
      * @hibernate.collection-one-to-many class="org.lamsfoundation.lams.tool.dimdim.model.DimdimUser"
      * 
      */
-
     public Set<DimdimUser> getDimdimUsers() {
 	return this.dimdimUsers;
     }
Index: lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimUser.java
===================================================================
diff -u -r7c68a5b7c9e928e763d087d92d8dd17170f2cb67 -rfa35e59e326d6f4e578ed0af472aca020bb7930b
--- lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimUser.java	(.../DimdimUser.java)	(revision 7c68a5b7c9e928e763d087d92d8dd17170f2cb67)
+++ lams_tool_dimdim/src/java/org/lamsfoundation/lams/tool/dimdim/model/DimdimUser.java	(.../DimdimUser.java)	(revision fa35e59e326d6f4e578ed0af472aca020bb7930b)
@@ -58,10 +58,6 @@
 
     // Constructors
 
-    /** default constructor */
-    public DimdimUser() {
-    }
-
     public DimdimUser(UserDTO user, DimdimSession dimdimSession) {
 	this.userId = new Long(user.getUserID().intValue());
 	this.firstName = user.getFirstName();
@@ -71,15 +67,8 @@
 	this.finishedActivity = false;
     }
 
-    /** full constructor */
-    public DimdimUser(Long userId, String lastName, String firstName, DimdimSession dimdimSession) {
-	this.userId = userId;
-	this.lastName = lastName;
-	this.firstName = firstName;
-	this.dimdimSession = dimdimSession;
-    }
-
     // Property accessors
+
     /**
      * @hibernate.id generator-class="native" type="java.lang.Long" column="uid"
      */