diff --git a/core/admin/mailu/models.py b/core/admin/mailu/models.py
index 8176e461..95dc16a6 100644
--- a/core/admin/mailu/models.py
+++ b/core/admin/mailu/models.py
@@ -27,10 +27,7 @@ class IdnaDomain(db.TypeDecorator):
     impl = db.String(80)
 
     def process_bind_param(self, value, dialect):
-        try:
-            return idna.encode(value).decode("ascii").lower()
-        except ValueError:
-            pass
+        return idna.encode(value).decode("ascii").lower()
 
     def process_result_value(self, value, dialect):
         return idna.decode(value)
diff --git a/towncrier/newsfragments/1087.bugfix b/towncrier/newsfragments/1087.bugfix
deleted file mode 100644
index 7d0ef69b..00000000
--- a/towncrier/newsfragments/1087.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Error handling in idna encoding