diff --git a/spec/models/match_spec.rb b/spec/models/match_spec.rb
index 74fc582..ad31ac6 100644
--- a/spec/models/match_spec.rb
+++ b/spec/models/match_spec.rb
@@ -5,8 +5,8 @@ require 'rails_helper'
 RSpec.describe Match, type: :model do
   context 'association' do
     it { should have_many :match_scores }
-    it { should belong_to :stage }
-    it { should belong_to :group }
+    it { should belong_to(:stage).optional }
+    it { should belong_to(:group).optional }
   end
 
   context '#new' do
diff --git a/spec/models/team_spec.rb b/spec/models/team_spec.rb
index b930c5c..ce229fa 100644
--- a/spec/models/team_spec.rb
+++ b/spec/models/team_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe Team, type: :model do
   end
 
   describe 'association' do
-    it { should belong_to :tournament }
+    it { should belong_to(:tournament).optional }
     it { should have_many :group_scores }
     it { should have_many :match_scores }
   end