diff --git a/actionpack/lib/sprockets/helpers/rails_helper.rb b/actionpack/lib/sprockets/helpers/rails_helper.rb
index 7a2bf8bef6f7d56bf26429da34c82f48091f94de..062aa4dae5c57246334e7824234a07f963875da3 100644
--- a/actionpack/lib/sprockets/helpers/rails_helper.rb
+++ b/actionpack/lib/sprockets/helpers/rails_helper.rb
@@ -58,8 +58,12 @@ def asset_path(source, default_ext = nil, body = false, protocol = nil)
 
     private
       def debug_assets?
-        config = Rails.application.config.assets
-        config.allow_debugging && (config.debug || params[:debug_assets])
+        begin
+          config = Rails.application.config.assets
+          config.allow_debugging && (config.debug || params[:debug_assets])
+        rescue NoMethodError
+          false
+        end
       end
 
       # Override to specify an alternative prefix for asset path generation.
diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index aa7a01f6c9d7e9869c4f49a473f89cf9aba5190d..24d071df39c8f6e13858a8b5eb8e8f1e7f4e994e 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -142,11 +142,7 @@ def call(env)
 end
 
 class BasicController
-  attr_accessor :request, :params
-
-  def initialize
-    @params = {}
-  end
+  attr_accessor :request
 
   def config
     @config ||= ActiveSupport::InheritableOptions.new(ActionController::Base.config).tap do |config|