diff --git a/config/initializers/settings.rb b/config/initializers/settings.rb
index 73f35f132b..9eb061ecf0 100644
--- a/config/initializers/settings.rb
+++ b/config/initializers/settings.rb
@@ -19,7 +19,10 @@ def instance # rubocop:todo Metrics/AbcSize
       # Immutability is good here though, so we should probably fix that.
       # Added flag onto safe_load to allow read of anchors (aliases) in yml files.
       config_file_descriptor = File.open(configuration_filename, 'r:bom|utf-8')
-      @instance = Hashie::Mash.new(YAML.safe_load(config_file_descriptor, permitted_classes: [Symbol], aliases: true))
+      @instance =
+        Hashie::Mash.quiet(:max, :min, :size, :class).new(
+          YAML.safe_load(config_file_descriptor, permitted_classes: [Symbol], aliases: true)
+        )
 
       # To view a list of pipeline groups and respective pipelines:
       # e.g. Settings.pipelines.group_by(&:pipeline_group).transform_values { |pipelines| pipelines.map(&:name) }