diff --git a/app/controllers/api/openid_connect/discovery_controller.rb b/app/controllers/api/openid_connect/discovery_controller.rb
index df1cfec34175a1a593fd922bc5ad5145cefbf3a9..c6c8f6cc10319062a5db6f2e5b494439f9b61c9d 100644
--- a/app/controllers/api/openid_connect/discovery_controller.rb
+++ b/app/controllers/api/openid_connect/discovery_controller.rb
@@ -26,7 +26,7 @@ module Api
           subject_types_supported:                     %w(public pairwise),
           id_token_signing_alg_values_supported:       %i(RS256),
           token_endpoint_auth_methods_supported:       %w(client_secret_basic client_secret_post),
-          claims_supported:                            %w(sub nickname profile picture zoneinfo)
+          claims_supported:                            %w(sub nickname profile picture)
         )
       end
     end
diff --git a/app/serializers/user_info_serializer.rb b/app/serializers/user_info_serializer.rb
index 67cf3db112705dc6512bb5f4497087ca670de14f..86c89ef47f9d26e2c0100f47153e96d37865ed3e 100644
--- a/app/serializers/user_info_serializer.rb
+++ b/app/serializers/user_info_serializer.rb
@@ -1,5 +1,5 @@
 class UserInfoSerializer < ActiveModel::Serializer
-  attributes :sub, :nickname, :profile, :picture, :zoneinfo
+  attributes :sub, :nickname, :profile, :picture
 
   def sub
     auth = serialization_options[:authorization]
@@ -24,8 +24,4 @@ class UserInfoSerializer < ActiveModel::Serializer
   def picture
     File.join(AppConfig.environment.url, object.image_url).to_s
   end
-
-  def zoneinfo
-    object.language
-  end
 end
diff --git a/features/step_definitions/oidc_common_steps.rb b/features/step_definitions/oidc_common_steps.rb
index e9a812d41f6a7ea84c2c1b0eba2e7f744d384da1..f73d4407bf8968965ebbdeaf8fac3451db831967 100644
--- a/features/step_definitions/oidc_common_steps.rb
+++ b/features/step_definitions/oidc_common_steps.rb
@@ -32,7 +32,6 @@ Then /^I should receive "([^\"]*)"'s id, username, and email$/ do |username|
   user = User.find_by_username(username)
   user_profile_url = File.join(AppConfig.environment.url, "people", user.guid).to_s
   expect(user_info_json["profile"]).to have_content(user_profile_url)
-  expect(user_info_json["zoneinfo"]).to have_content(user.language)
 end
 
 Then /^I should receive an "([^\"]*)" error$/ do |error_message|