diff --git a/formly/models.py b/formly/models.py
index 8baf2b9..5e9920d 100644
--- a/formly/models.py
+++ b/formly/models.py
@@ -211,7 +211,7 @@ class Field(models.Model):
     
     survey = models.ForeignKey(Survey, related_name="fields")  # Denorm
     page = models.ForeignKey(Page, null=True, blank=True, related_name="fields")
-    label = models.CharField(max_length=100)
+    label = models.CharField(max_length=255)
     field_type = models.IntegerField(choices=FIELD_TYPE_CHOICES)
     help_text = models.CharField(max_length=255, blank=True)
     ordinal = models.IntegerField()
@@ -229,7 +229,6 @@ class Field(models.Model):
     #             )
     
     def save(self, *args, **kwargs):
-        self.full_clean()
         if not self.pk and self.page is not None:
             self.ordinal = (self.page.fields.aggregate(
                 Max("ordinal")