diff --git a/app/furniture/tobias/trust.rb b/app/furniture/tobias/trust.rb
index f4cd46e7b..d8dfbc071 100644
--- a/app/furniture/tobias/trust.rb
+++ b/app/furniture/tobias/trust.rb
@@ -2,6 +2,6 @@ class Tobias
   class Trust < ApplicationRecord
     self.table_name = "tobias_trusts"
 
-    has_many :beneficiaries
+    has_many :beneficiaries, inverse_of: :trust, dependent: :destroy
   end
 end
diff --git a/spec/tobias/trust_spec.rb b/spec/tobias/trust_spec.rb
new file mode 100644
index 000000000..f0d61e935
--- /dev/null
+++ b/spec/tobias/trust_spec.rb
@@ -0,0 +1,7 @@
+require "rails_helper"
+
+RSpec.describe Tobias::Trust, type: :model do
+  describe "#benificiaries" do
+    it { is_expected.to have_many(:beneficiaries).inverse_of(:trust).dependent(:destroy) }
+  end
+end