diff --git a/lib/event_engine/processing_rules.rb b/lib/event_engine/processing_rules.rb
index c65bfd6..b5aeb2c 100644
--- a/lib/event_engine/processing_rules.rb
+++ b/lib/event_engine/processing_rules.rb
@@ -29,7 +29,7 @@ def for(event_name:, pack:)
     end
 
     def any?
-      !@default.nil? || @packs.any? || @events.any?
+      processor_names.any?
     end
 
     def processor_names
diff --git a/test/lib/event_engine/processing_rules_test.rb b/test/lib/event_engine/processing_rules_test.rb
index 0366070..b8b9e84 100644
--- a/test/lib/event_engine/processing_rules_test.rb
+++ b/test/lib/event_engine/processing_rules_test.rb
@@ -33,6 +33,10 @@ def rules_file(contents)
       refute_predicate ProcessingRules.new, :any?
     end
 
+    test "reports no rules when every event is listed but undecided" do
+      refute_predicate ProcessingRules.new(events: { cow_fed: nil, barn_built: nil }), :any?
+    end
+
     test "loads the rules from a yaml file" do
       path = rules_file(<<~YAML)
         default: inline