diff --git a/gracedb/migrations/0025_auto__del_field_event_uid.py b/gracedb/migrations/0025_auto__del_field_event_uid.py
new file mode 100644
index 0000000000000000000000000000000000000000..dda4393c87b70e486acb883e894121e88fdb4692
--- /dev/null
+++ b/gracedb/migrations/0025_auto__del_field_event_uid.py
@@ -0,0 +1,240 @@
+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Deleting field 'Event.uid'
+        db.delete_column(u'gracedb_event', 'uid')
+
+
+    def backwards(self, orm):
+        # Adding field 'Event.uid'
+        db.add_column(u'gracedb_event', 'uid',
+                      self.gf('django.db.models.fields.CharField')(default='', max_length=20),
+                      keep_default=False)
+
+
+    models = {
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Group']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Permission']"}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'gracedb.approval': {
+            'Meta': {'object_name': 'Approval'},
+            'approvedEvent': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Event']"}),
+            'approver': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
+            'approvingCollaboration': ('django.db.models.fields.CharField', [], {'max_length': '1'}),
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        },
+        u'gracedb.coincinspiralevent': {
+            'Meta': {'ordering': "['-id']", 'object_name': 'CoincInspiralEvent', '_ormbases': [u'gracedb.Event']},
+            'combined_far': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'end_time': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'end_time_ns': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            u'event_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['gracedb.Event']", 'unique': 'True', 'primary_key': 'True'}),
+            'false_alarm_rate': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ifos': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '20'}),
+            'mass': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'mchirp': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'minimum_duration': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'snr': ('django.db.models.fields.FloatField', [], {'null': 'True'})
+        },
+        u'gracedb.event': {
+            'Meta': {'ordering': "['-id']", 'object_name': 'Event'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'far': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'gpstime': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Group']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'instruments': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '20'}),
+            'labels': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['gracedb.Label']", 'through': u"orm['gracedb.Labelling']", 'symmetrical': 'False'}),
+            'likelihood': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'nevents': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'pipeline': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Pipeline']"}),
+            'search': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Search']", 'null': 'True'}),
+            'submitter': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"})
+        },
+        u'gracedb.eventlog': {
+            'Meta': {'ordering': "['-created', '-N']", 'unique_together': "(('event', 'N'),)", 'object_name': 'EventLog'},
+            'N': ('django.db.models.fields.IntegerField', [], {}),
+            'comment': ('django.db.models.fields.TextField', [], {}),
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'event': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Event']"}),
+            'file_version': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'filename': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '100'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'issuer': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"})
+        },
+        u'gracedb.grbevent': {
+            'Meta': {'ordering': "['-id']", 'object_name': 'GrbEvent', '_ormbases': [u'gracedb.Event']},
+            'author_ivorn': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'author_shortname': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'coord_system': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'dec': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'error_radius': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            u'event_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['gracedb.Event']", 'unique': 'True', 'primary_key': 'True'}),
+            'how_description': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'how_reference_url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True'}),
+            'ivorn': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'observatory_location_id': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'ra': ('django.db.models.fields.FloatField', [], {'null': 'True'})
+        },
+        u'gracedb.group': {
+            'Meta': {'object_name': 'Group'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '20'})
+        },
+        u'gracedb.label': {
+            'Meta': {'object_name': 'Label'},
+            'defaultColor': ('django.db.models.fields.CharField', [], {'default': "'black'", 'max_length': '20'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '20'})
+        },
+        u'gracedb.labelling': {
+            'Meta': {'object_name': 'Labelling'},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'creator': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['auth.User']"}),
+            'event': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Event']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'label': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Label']"})
+        },
+        u'gracedb.multiburstevent': {
+            'Meta': {'ordering': "['-id']", 'object_name': 'MultiBurstEvent', '_ormbases': [u'gracedb.Event']},
+            'amplitude': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'bandwidth': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'central_freq': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'confidence': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'duration': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            u'event_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['gracedb.Event']", 'unique': 'True', 'primary_key': 'True'}),
+            'false_alarm_rate': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ifos': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '20'}),
+            'ligo_angle': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ligo_angle_sig': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ligo_axis_dec': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ligo_axis_ra': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'peak_time': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'peak_time_ns': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'snr': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'start_time': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'}),
+            'start_time_ns': ('django.db.models.fields.PositiveIntegerField', [], {'null': 'True'})
+        },
+        u'gracedb.pipeline': {
+            'Meta': {'object_name': 'Pipeline'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'gracedb.search': {
+            'Meta': {'object_name': 'Search'},
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        u'gracedb.singleinspiral': {
+            'Gamma0': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma1': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma2': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma3': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma4': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma5': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma6': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma7': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma8': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Gamma9': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'Meta': {'object_name': 'SingleInspiral'},
+            'alpha': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha1': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha2': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha3': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha4': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha5': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'alpha6': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'amplitude': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'bank_chisq': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'bank_chisq_dof': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'beta': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'channel': ('django.db.models.fields.CharField', [], {'max_length': '20'}),
+            'chi': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'chisq': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'chisq_dof': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'coa_phase': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'cont_chisq': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'cont_chisq_dof': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'eff_distance': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'end_time': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'end_time_gmst': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'end_time_ns': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'eta': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'event': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['gracedb.Event']"}),
+            'event_duration': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'f_final': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ifo': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True'}),
+            'impulse_time': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'impulse_time_ns': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'kappa': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'mass1': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'mass2': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'mchirp': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'mtotal': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'psi0': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'psi3': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'rsqveto_duration': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'search': ('django.db.models.fields.CharField', [], {'max_length': '20', 'null': 'True'}),
+            'sigmasq': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'snr': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'tau0': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'tau2': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'tau3': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'tau4': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'tau5': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'template_duration': ('django.db.models.fields.FloatField', [], {'null': 'True'}),
+            'ttotal': ('django.db.models.fields.FloatField', [], {'null': 'True'})
+        },
+        u'gracedb.tag': {
+            'Meta': {'object_name': 'Tag'},
+            'displayName': ('django.db.models.fields.CharField', [], {'max_length': '200', 'null': 'True'}),
+            'eventlogs': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['gracedb.EventLog']", 'symmetrical': 'False'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        }
+    }
+
+    complete_apps = ['gracedb']
\ No newline at end of file
diff --git a/gracedb/models.py b/gracedb/models.py
index 4ab9962a762299041f48e1bbbfa4eaf498a3a4ac..12329593289c91d1dc01a09ad3f094974d511169 100644
--- a/gracedb/models.py
+++ b/gracedb/models.py
@@ -94,7 +94,7 @@ class Event(models.Model):
     submitter = models.ForeignKey(DjangoUser)
     created = models.DateTimeField(auto_now_add=True)
     group = models.ForeignKey(Group)
-    uid = models.CharField(max_length=20, default="")  # XXX deprecated.  should be removed.
+    #uid = models.CharField(max_length=20, default="")  # XXX deprecated.  should be removed.
     #analysisType = models.CharField(max_length=20, choices=ANALYSIS_TYPE_CHOICES)
 
     # Note: a default value is needed only during the schema migration
@@ -123,7 +123,12 @@ class Event(models.Model):
         ordering = ["-id"]
 
     def graceid(self):
-        if self.group.name == "Test" or self.search.name == "Test":
+        # Unlike group and pipeline, 'search' is allowed to be None.
+        if self.search:
+            if self.search.name=="Test":
+                return "T%04d" % self.id
+
+        if self.group.name == "Test":
             return "T%04d" % self.id
         elif self.pipeline == "HardwareInjection":
             return "H%04d" % self.id