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-rw-r--r--activerecord/test/models/country.rb2
1 files changed, 0 insertions, 2 deletions
diff --git a/activerecord/test/models/country.rb b/activerecord/test/models/country.rb
index 0c84a40de2..4b4a276a98 100644
--- a/activerecord/test/models/country.rb
+++ b/activerecord/test/models/country.rb
@@ -1,7 +1,5 @@
# frozen_string_literal: true
class Country < ActiveRecord::Base
- self.primary_key = :country_id
-
has_and_belongs_to_many :treaties
end