diff --git a/app/serializers/api/v1/experiment_serializer.rb b/app/serializers/api/v1/experiment_serializer.rb
index b1ef9023e..bff94ffc1 100644
--- a/app/serializers/api/v1/experiment_serializer.rb
+++ b/app/serializers/api/v1/experiment_serializer.rb
@@ -4,7 +4,7 @@ module Api
   module V1
     class ExperimentSerializer < ActiveModel::Serializer
       type :experiments
-      attributes :id, :name, :description, :created_by_id, :archived
+      attributes :id, :name, :description, :archived
     end
   end
 end
diff --git a/app/serializers/api/v1/my_module_group_serializer.rb b/app/serializers/api/v1/my_module_group_serializer.rb
index 4a1d5c46b..06b52e31e 100644
--- a/app/serializers/api/v1/my_module_group_serializer.rb
+++ b/app/serializers/api/v1/my_module_group_serializer.rb
@@ -4,7 +4,7 @@ module Api
   module V1
     class MyModuleGroupSerializer < ActiveModel::Serializer
       type :task_groups
-      attributes :id, :created_by_id, :experiment_id
+      attributes :id, :experiment_id
       belongs_to :experiment, serializer: ExperimentSerializer
     end
   end