diff --git a/spec/models/user_identifier_spec.rb b/spec/models/user_identifier_spec.rb
index 3b5194d..d82de6b 100644
--- a/spec/models/user_identifier_spec.rb
+++ b/spec/models/user_identifier_spec.rb
@@ -3,16 +3,13 @@
 RSpec.describe UserIdentifier, type: :model do
 
   context "validations" do
+
     it { is_expected.to validate_presence_of(:identifier) }
+
     it { is_expected.to validate_presence_of(:user) }
-    it "validates uniqueness of identifier_scheme_id" do
-      subject.identifier_scheme = create(:identifier_scheme)
-      expect(subject).to validate_uniqueness_of(:identifier_scheme_id)
-                           .case_insensitive
-                           .scoped_to(:user_id)
-                           .with_message("must be unique")
-    end
+
     it { is_expected.to validate_presence_of(:identifier_scheme) }
+
   end
 
   context "associations" do