diff --git a/contest/forms.py b/contest/forms.py
index 329ae86..3dcf8d8 100644
--- a/contest/forms.py
+++ b/contest/forms.py
@@ -93,8 +93,6 @@ class QSOForm(forms.ModelForm):
 
     def clean_call(self):
         data = self.cleaned_data["call"].upper().strip()
-        if Reference.objects.filter(name=data).count() > 0:
-            raise forms.ValidationError("Reference already exists")
 
         try:
             CallLogValidator()(data)