diff --git a/atdb/taskdatabase/models.py b/atdb/taskdatabase/models.py
index fd330201c6934b9bd1b4574987adce12a542192e..51f56a7fb0f12e13223ad6f62bad815ad9c59a73 100644
--- a/atdb/taskdatabase/models.py
+++ b/atdb/taskdatabase/models.py
@@ -202,8 +202,7 @@ class Task(models.Model):
             tasks_for_this_sasid = Task.objects.filter(sas_id=self.sas_id)
             self.calculated_qualities = qualities.calculate_qualities(self, tasks_for_this_sasid, quality_thresholds)
 
-        # make sure that every task has an activity (backward compatibility)
-        # TODO: uncomment to enable SDC-1188 functionality for deploy STEP 2
+        # make sure that every task has an activity (also for backward compatibility)
         associate_task_with_activity(self)
 
         # remark:
@@ -340,25 +339,6 @@ class Task(models.Model):
         except:
             return None
 
-    # keep the old mechanism in comments to test/evaluate
-    # TODO: remove when it is no longer used by the GUI
-    # ---  <CUT> ---
-    @property
-    def sas_id_has_archived(self):
-        """
-        check if any task belonging to this sas_id already has an output SAS_ID at the LTA
-        """
-        try:
-            for task in Task.objects.filter(sas_id=self.sas_id):
-                try:
-                    if task.archive['sas_id_archived']:
-                        return task.archive['sas_id_archived']
-                except:
-                    pass
-        except:
-            return None
-    # --- </CUT> ---
-
     @property
     def path_to_lta(self):
         """
@@ -369,98 +349,6 @@ class Task(models.Model):
         except:
             return None
 
-    # keep the old mechanism in comments to test/evaluate, remove later when it works
-    # TODO: remove when it is no longer used by the GUI
-    # ----  <CUT>  ----
-    @property
-    def sasid_path_to_lta(self):
-        """
-        check if any task belonging to this sas_id already has a 'path_to_lta' setting
-        """
-        try:
-            for task in Task.objects.filter(sas_id=self.sas_id):
-                try:
-                    if task.archive['path_to_lta']:
-                        return task.archive['path_to_lta']
-                except:
-                    # if 'path_to_lta' is not found, or 'archive' is empty, continue to the next task
-                    pass
-        except:
-            return None
-
-
-    @property
-    def sasid_is_verified(self):
-        for task in Task.objects.filter(sas_id=self.sas_id):
-           if task.status not in verified_statusses:
-               return False
-        return True
-
-    @property
-    def sasid_finished_fraction(self):
-        size_archived = 0
-        size_remaining = 0
-        total_size = 0
-
-        tasks = Task.objects.filter(sas_id=self.sas_id)
-
-        for task in tasks:
-           if task.status == State.FINISHED.value:
-               size_archived = size_archived + task.size_to_process
-           else:
-               size_remaining = size_remaining + task.size_to_process
-           total_size = total_size + task.size_to_process
-
-        finished = {}
-        try:
-            finished['fraction'] = round((size_archived / (size_remaining + size_archived)) * 100)
-        except:
-            finished['fraction'] = -1
-
-        finished['total_size'] = total_size
-        finished['remaining'] = size_remaining
-
-        return finished
-
-    @property
-    def sasid_ingested_fraction(self):
-        """
-        This 'property' of a task returns the fraction of queued/ingested tasks per SAS_ID
-        and a list of statusses of other tasks belonging to the same SAS_ID.
-        It is implemented as 'property', because then it can be used in html pages like this:
-           <td>{{ task.sasid_ingested_fraction.status }}</td>
-           <td>{{ task.sasid_ingested_fraction.completion }}%</td>
-
-        A selection of statusses are considered 'queued', and another selection is considered 'ingested'.
-        The division of those 2 are returned as a 'completed %'.
-        A limited list of statusses for the other tasks that belong to this SAS_ID is also returned.
-
-        """
-        result = {}
-        statusses = {'scrubbed': 0, 'archiving': 0, 'archived': 0, 'finishing': 0, 'finished': 0,
-                     'suspended': 0,'discarded': 0, 'archived_failed': 0, 'finished_failed': 0}
-
-        tasks = Task.objects.filter(sas_id=self.sas_id)
-
-        for task in tasks:
-            try:
-                statusses[task.status] += 1
-            except:
-                pass
-
-        incomplete = int(statusses['scrubbed']) + int(statusses['archiving']) + int(statusses['finishing']) +\
-                     int(statusses['suspended']) + int(statusses['archived_failed']) + int(statusses['finished_failed'])
-        complete = int(statusses['archived']) + int(statusses['finished'])
-        completion = round(complete / (incomplete + complete) * 100)
-
-        non_zero_statusses = {key: value for key, value in statusses.items() if value != 0}
-
-        result['status'] = non_zero_statusses
-        result['completion'] = completion
-        return result
-
-    # ----  </CUT>  ----
-
     @property
     def task_type_join(self):
         try:
diff --git a/atdb/taskdatabase/services/signals.py b/atdb/taskdatabase/services/signals.py
index ef36178a3ae995eabf030bba7d20bc8f9ec2bd86..2442e3d78cb5bdb571aeab3969bc2a6f182dd420 100644
--- a/atdb/taskdatabase/services/signals.py
+++ b/atdb/taskdatabase/services/signals.py
@@ -65,7 +65,6 @@ def handle_post_save(sender, **kwargs):
     """
     task = kwargs.get('instance')
 
-    # TODO: uncomment to enable SDC-1188 functionality
     update_activity(task)
 
 
diff --git a/atdb/taskdatabase/templates/taskdatabase/archived/tasks.html b/atdb/taskdatabase/templates/taskdatabase/archived/tasks.html
index 47a695b9bbfd590db8e2dbe234bc0521f35c5cae..0116beff2d324b6988d16e675ae68463980a7d23 100644
--- a/atdb/taskdatabase/templates/taskdatabase/archived/tasks.html
+++ b/atdb/taskdatabase/templates/taskdatabase/archived/tasks.html
@@ -52,19 +52,6 @@
                     {{ task.sas_id }}
                 </td>
                 <td>
-
-<!-- keep the old mechanism in comments to test/evaluate, remove later when it works
-
-                    {% if task.sas_id_archived != None %}
-                      <a href={{ task.path_to_lta }} target="_blank">
-                          <img src="{% static 'taskdatabase/ldvlogo_small.png' %}" height="20" alt="link to LTA">
-                          {{ task.sas_id_archived }}
-                      </a>&nbsp;
-                    {% else %}
-                    -
-                    {% endif %}
--->
-<!-- new activity mechanism, to enable SDC-1188 -->
                     {% if task.activity.archive.sas_id_archived != None %}
                       <a href={{ task.path_to_lta }} target="_blank">
                           <img src="{% static 'taskdatabase/ldvlogo_small.png' %}" height="20" alt="link to LTA">
@@ -73,7 +60,6 @@
                     {% else %}
                     -
                     {% endif %}
-
                 </td>
 
                 <td>
diff --git a/atdb/taskdatabase/templates/taskdatabase/failures/tasks.html b/atdb/taskdatabase/templates/taskdatabase/failures/tasks.html
index 09d0c101550914249ba7315045d2f184567f39d1..321426f1697c53904ae5f8d1e7f7ffd942bafabd 100644
--- a/atdb/taskdatabase/templates/taskdatabase/failures/tasks.html
+++ b/atdb/taskdatabase/templates/taskdatabase/failures/tasks.html
@@ -34,18 +34,10 @@
 
                 <td>{{ task.project }}</td>
                 <td>{{ task.sas_id }}</td>
-
                 <td>{{ task.filter }} </td>
-<!-- keep the old mechanism in comments to test/evaluate, remove later when it works
-
-                <td>{{ task.sasid_finished_fraction.fraction }}% of {{ task.sasid_finished_fraction.total_size|filesizeformat }}</td>
-                <td>{{ task.size_to_process|filesizeformat }} / {{ task.sasid_finished_fraction.remaining|filesizeformat }}</td>
--->
-<!-- new activity mechanism, to enable SDC-1188 -->
                 <td>{{ task.activity.finished_fraction }}% of {{ task.activity.total_size|filesizeformat }}</td>
                 <td>{{ task.size_to_process|filesizeformat }} / {{ task.activity.remaining|filesizeformat }}</td>
 
-
                 <td>
                     {% include "taskdatabase/failures/retry_buttons.html" %}
                     {% if task.stageit_url != None %}
diff --git a/atdb/taskdatabase/templates/taskdatabase/index.html b/atdb/taskdatabase/templates/taskdatabase/index.html
index 2ff025176d1211476436c7549bd937d7aa967fc3..d9a8482a724472f6636c0183ba9522edad85f4a0 100644
--- a/atdb/taskdatabase/templates/taskdatabase/index.html
+++ b/atdb/taskdatabase/templates/taskdatabase/index.html
@@ -31,7 +31,7 @@
             {% include 'taskdatabase/pagination.html' %}
         </div>
     </div>
-    <p class="footer"> Version 17 Feb 2024
+    <p class="footer"> Version 19 Feb 2024
 </div>
 
 {% include 'taskdatabase/refresh.html' %}
diff --git a/atdb/taskdatabase/templates/taskdatabase/ingest/tasks.html b/atdb/taskdatabase/templates/taskdatabase/ingest/tasks.html
index 2e455aabefa89189bd51e07f90dea9dfe8d8f33f..81d7ab026982dfa8c16c3fbf0c080a07edefdcaa 100644
--- a/atdb/taskdatabase/templates/taskdatabase/ingest/tasks.html
+++ b/atdb/taskdatabase/templates/taskdatabase/ingest/tasks.html
@@ -23,24 +23,6 @@
                     <a href="{% url 'task-change-priority-sasid' task.pk '10' my_tasks.number %}" class="btn btn-warning btn-sm" role="button">+10</a>
                 {% endif %}
                 </td>
-
-<!-- keep the old mechanism in comments to test/evaluate, remove later when it works
-
-                <td>{{ task.sasid_ingested_fraction.status }}</td>
-
-                <td>{{ task.sasid_ingested_fraction.completion }}%</td>
-                <td>
-                    {% if task.sas_id_has_archived != None %}
-                      <a href={{ task.sasid_path_to_lta }} target="_blank">
-                          <img src="{% static 'taskdatabase/ldvlogo_small.png' %}" height="20" alt="link to LTA">
-                          {{ task.sas_id_has_archived }}
-                      </a>&nbsp;
-                    {% else %}
-                    -
-                    {% endif %}
-                </td>
--->
-<!-- new activity mechanism, to enable SDC-1188 -->
                 <td>{{ task.activity.ingestq_status }}</td>
                 <td>{{ task.activity.ingested_fraction }}%</td>
                 <td>
diff --git a/atdb/taskdatabase/templates/taskdatabase/validation/tasks.html b/atdb/taskdatabase/templates/taskdatabase/validation/tasks.html
index 7de02e650723aa65585f6a536bdf32ce6ad71e8a..c0d65878f8ef2e760696366db7a437123ec25791 100644
--- a/atdb/taskdatabase/templates/taskdatabase/validation/tasks.html
+++ b/atdb/taskdatabase/templates/taskdatabase/validation/tasks.html
@@ -69,13 +69,7 @@
                     {% endif %}
                 </td>
 
-<!-- keep the old mechanism in comments to test/evaluate, remove later when it works
-
-                <td class="{{ task.calculated_qualities.per_sasid }}">{{ task.calculated_qualities.per_sasid|default_if_none:"-" }}</td>
--->
-<!-- new activity mechanism, to enable SDC-1188 -->
                 <td class="{{ task.activity.calculated_quality }}">{{ task.activity.calculated_quality|default_if_none:"-" }}</td>
-
                 <td class="{{ task.quality }}">{{ task.quality|default_if_none:"-" }}</td>
                 <td>{% include "taskdatabase/validation/validation_buttons.html" %}</td>
                 <td><a href="{% url 'task-discard-view-sasid' task.pk 'discard' my_tasks.number %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-trash-alt"></i></a></td>
diff --git a/atdb/taskdatabase/templates/taskdatabase/validation/validation_buttons.html b/atdb/taskdatabase/templates/taskdatabase/validation/validation_buttons.html
index 8ecf45fde4ac35cf20dfe88abd77fd33d29ab9f1..a64240c3277d926ea624fadfb055d2e5764824d9 100644
--- a/atdb/taskdatabase/templates/taskdatabase/validation/validation_buttons.html
+++ b/atdb/taskdatabase/templates/taskdatabase/validation/validation_buttons.html
@@ -1,23 +1,4 @@
-<!-- keep the old mechanism in comments to test/evaluate, remove later when it works
 
- {% if task.sasid_is_verified %}
-    <a href="{% url 'task-validate-sasid' task.pk 'poor' 'validated' my_tasks.number %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-check"></i> P</a>
- {% endif %}
-
- {% if task.sasid_is_verified %}
-    <a href="{% url 'task-validate-sasid' task.pk 'moderate' 'validated' my_tasks.number %}" class="btn btn-warning btn-sm" role="button"><i class="fas fa-check"></i> M</a>
- {% endif %}
-
- {% if task.sasid_is_verified %}
-    <a href="{% url 'task-validate-sasid' task.pk 'good' 'validated' my_tasks.number %}" class="btn btn-success btn-sm" role="button"><i class="fas fa-check"></i> G</a>
- {% endif %}
-
- {% if task.sasid_is_verified %}
-    <a href="{% url 'task-validate-sasid' task.pk 'calculated' 'validated' my_tasks.number %}" class="btn btn-success btn-sm" role="button"><i class="fas fa-check"></i> Validate</a>
- {% endif %}
-
--->
-<!-- new activity mechanism, to enable SDC-1188 -->
  {% if task.activity.is_verified %}
     <a href="{% url 'task-validate-sasid' task.pk 'poor' 'validated' my_tasks.number %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-check"></i> P</a>
  {% endif %}
diff --git a/atdb/taskdatabase/tests/test_ingest_fraction.py b/atdb/taskdatabase/tests/test_ingest_fraction.py
index 0061ccc552aaecd43d9556a1ec3ee884e1a1d93a..98807eea173affaef8f7914d5e619abec4ee8268 100644
--- a/atdb/taskdatabase/tests/test_ingest_fraction.py
+++ b/atdb/taskdatabase/tests/test_ingest_fraction.py
@@ -20,15 +20,15 @@ class TestIngestFraction(TestCase):
         Task.objects.get_or_create(filter='a',sas_id=54321, status='scrubbed', workflow=workflow_requantisation)
         Task.objects.get_or_create(filter='b',sas_id=54321, status='scrubbed', workflow=workflow_requantisation)
 
-    # def test_ingest_fraction(self):
-    #
-    #     # collapse all tasks into a single task for this sas_id
-    #     task = Task.objects.filter(sas_id=54321).distinct('sas_id')[0]
-    #     task.save()
-    #
-    #     # get the list of statusses and level of completion
-    #     statusses = task.activity.ingestq_status
-    #     completion = task.activity.ingested_fraction
-    #
-    #     self.assertEqual(statusses, {'scrubbed': 2, 'archiving': 1, 'archived': 1, 'finishing': 1, 'finished': 2, 'discarded': 1, 'archived_failed': 1})
-    #     self.assertEqual(completion,38)
+    def test_ingest_fraction(self):
+
+        # collapse all tasks into a single task for this sas_id
+        task = Task.objects.filter(sas_id=54321).distinct('sas_id')[0]
+        task.save()
+
+        # get the list of statusses and level of completion
+        statusses = task.activity.ingestq_status
+        completion = task.activity.ingested_fraction
+
+        self.assertEqual(statusses, {'scrubbed': 2, 'archiving': 1, 'archived': 1, 'finishing': 1, 'finished': 2, 'discarded': 1, 'archived_failed': 1})
+        self.assertEqual(completion,38)