diff --git a/primed/cdsa/models.py b/primed/cdsa/models.py
index 9107ab81..5dd8a053 100644
--- a/primed/cdsa/models.py
+++ b/primed/cdsa/models.py
@@ -90,10 +90,6 @@ def get_absolute_url(self):
     def full_version(self):
         return "{}.{}".format(str(self.major_version), self.minor_version)
 
-    @property
-    def is_valid(self):
-        return True
-
 
 class SignedAgreementStatusMixin:
     """Mixin to define status choices for SignedAgreements."""