diff --git a/lib/tasks/permissions.rake b/lib/tasks/permissions.rake
index 6d345204f..3d6366e5f 100644
--- a/lib/tasks/permissions.rake
+++ b/lib/tasks/permissions.rake
@@ -137,7 +137,6 @@ namespace :permissions do
       { application_name: "Content Data", name: "view_email_subs" },
       { application_name: "Content Data", name: "view_siteimprove" },
       { application_name: "Content Tagger", name: "GDS Editor" },
-      { application_name: "Content Tagger", name: "Tagathon participant" },
       { application_name: "Content Tagger", name: "Unreleased feature" },
       { application_name: "Manuals Publisher", name: "gds_editor" },
       { application_name: "Specialist publisher", name: "gds_editor" },
diff --git a/test/lib/tasks/permissions_test.rb b/test/lib/tasks/permissions_test.rb
index 58a5ea45a..bd4ff78e1 100644
--- a/test/lib/tasks/permissions_test.rb
+++ b/test/lib/tasks/permissions_test.rb
@@ -129,7 +129,7 @@ class PermissionsTest < ActiveSupport::TestCase
       )
       @content_tagger = application_with_revoke_and_retain_list(
         name: "Content Tagger",
-        non_signin_permissions_to_revoke: ["GDS Editor", "Tagathon participant", "Unreleased feature"],
+        non_signin_permissions_to_revoke: ["GDS Editor", "Unreleased feature"],
         retain_non_signin_permission: true,
       )
       @manuals_publisher = application_with_revoke_and_retain_list(name: "Manuals Publisher", non_signin_permissions_to_revoke: %w[gds_editor])