diff --git a/wcs/formdata.py b/wcs/formdata.py
index 40b50a57b..fb6af0fba 100644
--- a/wcs/formdata.py
+++ b/wcs/formdata.py
@@ -333,14 +333,6 @@ class FormData(StorableObject):
             self.submission_agent_id = str(self.submission_context.get('agent_id'))
             changed = True
 
-        if 'digest' in self.__dict__:  # 2021-06-24
-            # migration from a simple digest to digests
-            if not self.digests:
-                self.digests = {}
-            self.digests['default'] = self.__dict__['digest']
-            del self.__dict__['digest']
-            changed = True
-
         if changed:
             self.store()
 
diff --git a/wcs/formdef.py b/wcs/formdef.py
index e093a1574..2f32e6b97 100644
--- a/wcs/formdef.py
+++ b/wcs/formdef.py
@@ -225,14 +225,6 @@ class FormDef(StorableObject):
             # don't run migration on lightweight objects
             return
 
-        if 'digest_template' in self.__dict__:
-            # 2021-06-22 - migration from a simple template to templates
-            if not self.digest_templates:
-                self.digest_templates = {}
-            self.digest_templates['default'] = self.__dict__['digest_template']
-            del self.__dict__['digest_template']
-            changed = True
-
         if self.max_field_id is None and self.fields:
             self.max_field_id = max(lax_int(x.id) for x in self.fields)
             changed = True