1 files changed, 0 insertions, 32 deletions
diff --git a/app/models/experiment_subject.rb b/app/models/experiment_subject.rb
deleted file mode 100644
index 2a7b9017a51..00000000000
--- a/app/models/experiment_subject.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-# frozen_string_literal: true
-
-class ExperimentSubject < ApplicationRecord
-  include ::Gitlab::Experimentation::GroupTypes
-
-  belongs_to :experiment, inverse_of: :experiment_subjects
-  belongs_to :user
-  belongs_to :namespace
-  belongs_to :project
-
-  validates :experiment, presence: true
-  validates :variant, presence: true
-  validate :must_have_one_subject_present
-
-  enum variant: { GROUP_CONTROL => 0, GROUP_EXPERIMENTAL => 1 }
-
-  def self.valid_subject?(subject)
-    subject.is_a?(Namespace) || subject.is_a?(User) || subject.is_a?(Project)
-  end
-
-  private
-
-  def must_have_one_subject_present
-    if non_nil_subjects.length != 1
-      errors.add(:base, s_("ExperimentSubject|Must have exactly one of User, Namespace, or Project."))
-    end
-  end
-
-  def non_nil_subjects
-    @non_nil_subjects ||= [user, namespace, project].reject(&:blank?)
-  end
-end