diff --git a/spec/support/deprecated_classes.rb b/spec/support/deprecated_classes.rb
new file mode 100644
index 00000000000..80bb3bd811b
--- /dev/null
+++ b/spec/support/deprecated_classes.rb
@@ -0,0 +1,23 @@
+class ActionView::Helpers::TagHelper::TagBuilder
+  def self.deprecated_classes
+    @deprecated_classes ||= begin
+      YAML.safe_load(File.read(File.expand_path('../../../.erb-lint.yml', __FILE__))).
+        dig('linters', 'DeprecatedClasses', 'rule_set').
+        flat_map { |rule| rule['deprecated'] }.
+        map { |regex_str| Regexp.new "^#{regex_str}$" }
+    end
+  end
+
+  def modified_tag_option(key, value, *rest)
+    original_result = original_tag_option(key, value, *rest)
+    return original_result unless key == :class
+    attribute, classes = original_result.split('=')
+    classes = classes.tr('"', '').split(/ +/)
+    regex = self.class.deprecated_classes.find { |r| classes.any? { |c| r =~ c } }
+    raise "CSS class '#{value}' matched regex for deprecated classes #{regex}" if regex
+    original_result
+  end
+
+  alias_method :original_tag_option, :tag_option
+  alias_method :tag_option, :modified_tag_option
+end