diff --git a/atdb/taskdatabase/services/algorithms.py b/atdb/taskdatabase/services/algorithms.py
index e6640f37bef8a27b73f9cd013307215dcaa3ba9f..75d1f4ca37db36ae9c68a8b4b50aebb01ed4bf68 100644
--- a/atdb/taskdatabase/services/algorithms.py
+++ b/atdb/taskdatabase/services/algorithms.py
@@ -59,10 +59,10 @@ def get_min_start_and_max_end_time(sas_id):
     tasks = Task.objects.filter(sas_id=sas_id)
     for task in tasks:
         try:
-            # If more entrees are found for 'processing' task, get the latest
+            # If more entries are found for 'processing' task, get the latest
             latest_start_time = LogEntry.objects.filter(task=task.pk).filter(step_name='running').filter(status='processing').latest('timestamp')
             start_time = latest_start_time.timestamp
-            # If more entrees are found for 'processed' task, get the latest
+            # If more entries are found for 'processed' task, get the latest
             lastest_end_time = LogEntry.objects.filter(task=task.pk).filter(step_name='running').filter(status='processed').latest('timestamp')
             end_time = lastest_end_time.timestamp
             if min_start_time is None:
@@ -842,7 +842,7 @@ def construct_summary(task):
                 line += '<td colspan="2">' + str(round(record['size_ratio'],3)) + '</td>'
                 line += '</tr>'
 
-                if 'rfi_percent' in record.keys():
+                if 'rfi_percent' in record:
                     # add RFI percentage (if present)
                     rfi = record['rfi_percent']
                     line += '<tr><td><b>RFI percentage</b></td>'
diff --git a/atdb/taskdatabase/templates/taskdatabase/validation/annotate_quality_sasid.html b/atdb/taskdatabase/templates/taskdatabase/validation/annotate_quality_sasid.html
index 86ff0efb6aa8f696bc2e7e95ceaa2dd8f4200385..a8d710651ba529049d6085654aa6ddaa3f7bc4fb 100644
--- a/atdb/taskdatabase/templates/taskdatabase/validation/annotate_quality_sasid.html
+++ b/atdb/taskdatabase/templates/taskdatabase/validation/annotate_quality_sasid.html
@@ -13,6 +13,8 @@
                 {{ form }}
             </div>
             <div><button class="btn btn-success btn-sm" type="submit"><i class="fas fa-check"></i> OK</button>
+                <a href="{% url 'clear-annotations-sasid' task.id %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-trash-alt"></i> Remove</a>&nbsp
+
                 <a href="{% url 'validation' %}" class="btn btn-warning btn-sm" role="button"><i class="fas fa-times-circle"></i> Cancel</a>&nbsp
             </div>
         </form>
diff --git a/atdb/taskdatabase/urls.py b/atdb/taskdatabase/urls.py
index 874b4da18ce9ef1a70525d9c84a5571ab740db46..7fdc80434b54e926e3ab33a25feddd4ee79ad942 100644
--- a/atdb/taskdatabase/urls.py
+++ b/atdb/taskdatabase/urls.py
@@ -31,6 +31,8 @@ urlpatterns = [
     path('annotate_quality_sasid/<int:id>', views.AnnotateQualitySasId, name='annotate-quality-sasid'),
     path('annotate_quality_sasid/<int:id>/<page>', views.AnnotateQualitySasId, name='annotate-quality-sasid'),
     path('show_inspectionplots/<int:id>/<page>', views.ShowInspectionPlots, name='inspection-plots'),
+    path('clear_annotations_sasid/<int:id>', views.ClearAnnotationsSasID, name='clear-annotations-sasid'),
+    path('clear_annotations_sasid/<int:id>/<page>', views.ClearAnnotationsSasID, name='clear-annotations-sasid'),
     path('show_inspectionplots_sasid/<int:id>/<expand_image>', views.ShowInspectionPlotsSasId, name='inspection-plots-sasid'),
 
     path('show_summary/<int:id>/<page>', views.ShowSummarySasId, name='summary'),
diff --git a/atdb/taskdatabase/views.py b/atdb/taskdatabase/views.py
index 0ef41c979f061cc4640d432783c492431e871c05..d767d08bf551d96253d746010c7aa590d731108d 100644
--- a/atdb/taskdatabase/views.py
+++ b/atdb/taskdatabase/views.py
@@ -677,6 +677,23 @@ def AnnotateQualitySasId(request, id=0, page=0):
         return render(request, "taskdatabase/validation/annotate_quality_sasid.html",
                       {'task': task, 'page': page, 'form': form})
 
+def ClearAnnotationsSasID(request, id=0):
+
+        task = Task.objects.get(id=id)
+        tasks = Task.objects.filter(sas_id=task.sas_id)
+        for task in tasks:
+            try:
+                task.remarks['quality_sasid'] = None
+            except:
+                task.remarks = {}
+                task.remarks['quality_sasid'] = None
+
+            task.save()
+
+        return redirect('validation')
+
+
+
 def ShowInspectionPlots(request, id=0, page=0):
     # a GET means that the form should be presented to be filled in
     task = Task.objects.get(id=id)