diff --git a/lib/strike_me/api.rb b/lib/strike_me/api.rb
index 89b6664..c8bd203 100644
--- a/lib/strike_me/api.rb
+++ b/lib/strike_me/api.rb
@@ -14,10 +14,17 @@ require_relative 'btc_attribute_type'
 # require_relative 'api/base_model'
 # require_relative 'api/invoice_response'
 
-ActiveSupport::Inflector.inflections(:en) { |inflect| inflect.acronym 'API' }
-
 module StrikeMe
   module API
+    # Deliberately does NOT register 'API' as an ActiveSupport::Inflector
+    # acronym (used to, removed 2026-09-15) — that's process-global state,
+    # not scoped to this gem, and it broke Zeitwerk autoloading in a real
+    # host app (mozo-backend's JsonApiRenderer concern camelized to
+    # JsonAPIRenderer instead once this gem was required, an
+    # uninitialized-constant error with no obvious cause). Not needed
+    # here anyway: autoload_default below only ever goes constant name ->
+    # file path (via #underscore), never the reverse, so no inflection
+    # help is required for this module's own naming.
     class Error < StandardError; end
 
     def self.autoload_default(name)