Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/usermanagement/User.hbm.xml
===================================================================
diff -u -r3dbf966d900adefc34cdad501d3c392118451cd9 -r8c5a5a0ddaff5aca987988c2e089234996b15d1f
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/usermanagement/User.hbm.xml	(.../User.hbm.xml)	(revision 3dbf966d900adefc34cdad501d3c392118451cd9)
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/usermanagement/User.hbm.xml	(.../User.hbm.xml)	(revision 8c5a5a0ddaff5aca987988c2e089234996b15d1f)
@@ -294,19 +294,6 @@
         </meta>    
     </property>
     
-    <property
-        name="chatId"
-        type="java.lang.String"
-        column="chat_id"
-        length="255"
-    >
-        <meta attribute="field-description">
-           @hibernate.property
-            column="chat_id"
-            length="255"
-        </meta>    
-    </property>
-    
     <!-- Associations -->
   
     <!-- bi-directional many-to-one association to Workspace -->
Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040059.sql
===================================================================
diff -u
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040059.sql	(revision 0)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch2040059.sql	(revision 8c5a5a0ddaff5aca987988c2e089234996b15d1f)
@@ -0,0 +1,8 @@
+-- Turn off autocommit, so nothing is committed if there is an error
+SET AUTOCOMMIT = 0;
+
+-- LDEV-2949 Remove obsolete column
+ALTER TABLE lams_user DROP COLUMN chat_id;
+
+COMMIT;
+SET AUTOCOMMIT = 1;
\ No newline at end of file
Index: lams_common/src/java/org/lamsfoundation/lams/usermanagement/User.java
===================================================================
diff -u -r3dbf966d900adefc34cdad501d3c392118451cd9 -r8c5a5a0ddaff5aca987988c2e089234996b15d1f
--- lams_common/src/java/org/lamsfoundation/lams/usermanagement/User.java	(.../User.java)	(revision 3dbf966d900adefc34cdad501d3c392118451cd9)
+++ lams_common/src/java/org/lamsfoundation/lams/usermanagement/User.java	(.../User.java)	(revision 8c5a5a0ddaff5aca987988c2e089234996b15d1f)
@@ -128,9 +128,6 @@
     /** persistent field */
     private Theme theme;
 
-    /** nullable persistent field */
-    private String chatId;
-
     /** persistent field */
     private Set learnerProgresses;
 
@@ -373,14 +370,6 @@
 	this.theme = theme;
     }
 
-    public String getChatId() {
-	return chatId;
-    }
-
-    public void setChatId(String chatId) {
-	this.chatId = chatId;
-    }
-
     public Set getUserOrganisations() {
 	return userOrganisations;
     }
@@ -486,7 +475,7 @@
 		lamsCommunityUsername, (tutorialsDisabled == null ? false : true), // assume tutorials enabled if not
 		// set
 		tutorialPages, (firstLogin == null ? true : false) // assume no firstLogin value means they haven't
-								   // logged in
+							   // logged in
 	);
     }