https://github.com/meleyal/backbone-on-rails/issues/71

Index: ruby-backbone-on-rails/backbone-on-rails.gemspec
===================================================================
--- ruby-backbone-on-rails.orig/backbone-on-rails.gemspec
+++ ruby-backbone-on-rails/backbone-on-rails.gemspec
@@ -19,7 +19,6 @@ Gem::Specification.new do |s|
   s.add_dependency 'railties'
   s.add_dependency 'jquery-rails'
   s.add_dependency 'ejs'
-  s.add_dependency 'eco'
 
   s.add_development_dependency 'rails', '3.2'
   s.add_development_dependency 'sqlite3'
Index: ruby-backbone-on-rails/metadata.yml
===================================================================
--- ruby-backbone-on-rails.orig/metadata.yml
+++ ruby-backbone-on-rails/metadata.yml
@@ -53,20 +53,6 @@ dependencies:
       - !ruby/object:Gem::Version
         version: '0'
 - !ruby/object:Gem::Dependency
-  name: eco
-  requirement: !ruby/object:Gem::Requirement
-    requirements:
-    - - ">="
-      - !ruby/object:Gem::Version
-        version: '0'
-  type: :runtime
-  prerelease: false
-  version_requirements: !ruby/object:Gem::Requirement
-    requirements:
-    - - ">="
-      - !ruby/object:Gem::Version
-        version: '0'
-- !ruby/object:Gem::Dependency
   name: rails
   requirement: !ruby/object:Gem::Requirement
     requirements: