1 files changed, 0 insertions, 56 deletions
diff --git a/lib/gitlab/user_extractor.rb b/lib/gitlab/user_extractor.rb
deleted file mode 100644
index ede60c9ab1d..00000000000
--- a/lib/gitlab/user_extractor.rb
+++ /dev/null
@@ -1,56 +0,0 @@
-# frozen_string_literal: true
-
-# This class extracts all users found in a piece of text by the username or the
-# email address
-
-module Gitlab
-  class UserExtractor
-    # Not using `Devise.email_regexp` to filter out any chars that an email
-    # does not end with and not pinning the email to a start of end of a string.
-    EMAIL_REGEXP = /(?<email>([^@\s]+@[^@\s]+(?<!\W)))/.freeze
-    USERNAME_REGEXP = User.reference_pattern
-
-    def initialize(text)
-      # EE passes an Array to `text` in a few places, so we want to support both
-      # here.
-      @text = Array(text).join(' ')
-    end
-
-    def users
-      return User.none unless @text.present?
-      return User.none if references.empty?
-
-      @users ||= User.from_union(union_relations)
-    end
-
-    def usernames
-      matches[:usernames]
-    end
-
-    def emails
-      matches[:emails]
-    end
-
-    def references
-      @references ||= matches.values.flatten
-    end
-
-    def matches
-      @matches ||= {
-        emails: @text.scan(EMAIL_REGEXP).flatten.uniq,
-        usernames: @text.scan(USERNAME_REGEXP).flatten.uniq
-      }
-    end
-
-    private
-
-    def union_relations
-      relations = []
-
-      relations << User.by_any_email(emails) if emails.any?
-      relations << User.by_username(usernames) if usernames.any?
-
-      relations
-    end
-  end
-end