Hash#each with block returns self

https://docs.ruby-lang.org/en/3.4/Hash.html#method-i-each

Author: mostlyobvious

ruby_event_store/lib/ruby_event_store/client.rb

@@ -375,7 +375,6 @@ def transform(events)
     def enrich_events_metadata(events)
       events = Array(events)
       events.each { |event| enrich_event_metadata(event) }
-      events
     end
 
     def enrich_event_metadata(event)

ruby_event_store/lib/ruby_event_store/mappers/transformation/encryption.rb

@@ -66,7 +66,6 @@ def encryption_schema(event_class)
         def deep_dup(hash)
           duplicate = hash.dup
           duplicate.each { |k, v| duplicate[k] = v.instance_of?(Hash) ? deep_dup(v) : v }
-          duplicate
         end
 
         def encryption_metadata(data, schema)