diff --git a/lib/bundler/endpoint_specification.rb b/lib/bundler/endpoint_specification.rb
index 9fdf3ec9ce..c06684657d 100644
--- a/lib/bundler/endpoint_specification.rb
+++ b/lib/bundler/endpoint_specification.rb
@@ -36,6 +36,7 @@ module Bundler
     def dependencies
       @dependencies ||= @unbuilt_dependencies.map! {|dep, reqs| build_dependency(dep, reqs) }
     end
+    alias_method :runtime_dependencies, :dependencies
 
     # needed for standalone, load required_paths from local gemspec
     # after the gem is installed
@@ -167,7 +168,7 @@ module Bundler
     end
 
     def build_dependency(name, requirements)
-      Gem::Dependency.new(name, requirements)
+      Dependency.new(name, requirements)
     end
   end
 end
diff --git a/lib/bundler/resolver/spec_group.rb b/lib/bundler/resolver/spec_group.rb
index c3b72e2798..1b448b617f 100644
--- a/lib/bundler/resolver/spec_group.rb
+++ b/lib/bundler/resolver/spec_group.rb
@@ -40,7 +40,7 @@ module Bundler
 
       def dependencies
         @dependencies ||= @specs.flat_map do |spec|
-          __dependencies(spec) + metadata_dependencies(spec)
+          spec.runtime_dependencies + metadata_dependencies(spec)
         end.uniq.sort
       end
 
@@ -72,15 +72,6 @@ module Bundler
         @specs.first
       end
 
-      def __dependencies(spec)
-        dependencies = []
-        spec.dependencies.each do |dep|
-          next if dep.type == :development
-          dependencies << Dependency.new(dep.name, dep.requirement)
-        end
-        dependencies
-      end
-
       def metadata_dependencies(spec)
         [
           metadata_dependency("Ruby", spec.required_ruby_version),