diff --git a/AUTHORS b/AUTHORS
index cbcefa213..a2729271d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -27,3 +27,4 @@ pySilver
 Rodney Richardson
 Silvano Cerza
 Stéphane Raimbault
+Michael Helvey
diff --git a/oauth2_provider/migrations/0004_idtoken.py b/oauth2_provider/migrations/0004_idtoken.py
index 853a7089f..e765fafd2 100644
--- a/oauth2_provider/migrations/0004_idtoken.py
+++ b/oauth2_provider/migrations/0004_idtoken.py
@@ -15,7 +15,7 @@ class Migration(migrations.Migration):
             name='IDToken',
             fields=[
                 ('id', models.BigAutoField(primary_key=True, serialize=False)),
-                ('token', models.TextField(unique=True)),
+                ('token', models.TextField()),
                 ('expires', models.DateTimeField()),
                 ('scope', models.TextField(blank=True)),
                 ('created', models.DateTimeField(auto_now_add=True)),
diff --git a/oauth2_provider/models.py b/oauth2_provider/models.py
index 1421c89eb..7abff8ea0 100644
--- a/oauth2_provider/models.py
+++ b/oauth2_provider/models.py
@@ -449,7 +449,7 @@ class AbstractIDToken(models.Model):
         settings.AUTH_USER_MODEL, on_delete=models.CASCADE, blank=True, null=True,
         related_name="%(app_label)s_%(class)s"
     )
-    token = models.TextField(unique=True)
+    token = models.TextField()
     application = models.ForeignKey(
         oauth2_settings.APPLICATION_MODEL, on_delete=models.CASCADE, blank=True, null=True,
     )