diff --git a/+file/Dataset.m b/+file/Dataset.m
index f3847ef1..9a5f7ac0 100644
--- a/+file/Dataset.m
+++ b/+file/Dataset.m
@@ -75,10 +75,6 @@
                 end
             end
             
-            if source.isKey('required')
-                obj.required = strcmp(source('required'), 'true');
-            end
-            
             obj.isConstrainedSet = ~isempty(obj.type) && ~obj.scalar;
             
             boundsKey = 'dims';