diff --git a/app/controllers/projects/blame_controller.rb b/app/controllers/projects/blame_controller.rb
index 367d1295f34..106f21b83e6 100644
--- a/app/controllers/projects/blame_controller.rb
+++ b/app/controllers/projects/blame_controller.rb
@@ -2,7 +2,7 @@
 class Projects::BlameController < Projects::ApplicationController
   include ExtractsPath
 
-  # Authorize
+  before_filter :assign_ref_vars
   before_filter :authorize_download_code!
   before_filter :require_non_empty_project
 
diff --git a/app/controllers/projects/commits_controller.rb b/app/controllers/projects/commits_controller.rb
index 9476b6c0284..0a85c36a758 100644
--- a/app/controllers/projects/commits_controller.rb
+++ b/app/controllers/projects/commits_controller.rb
@@ -3,7 +3,7 @@ require "base64"
 class Projects::CommitsController < Projects::ApplicationController
   include ExtractsPath
 
-  # Authorize
+  before_filter :assign_ref_vars
   before_filter :authorize_download_code!
   before_filter :require_non_empty_project
 
diff --git a/app/controllers/projects/network_controller.rb b/app/controllers/projects/network_controller.rb
index ada1aed0df7..59f2a745367 100644
--- a/app/controllers/projects/network_controller.rb
+++ b/app/controllers/projects/network_controller.rb
@@ -2,7 +2,7 @@ class Projects::NetworkController < Projects::ApplicationController
   include ExtractsPath
   include ApplicationHelper
 
-  # Authorize
+  before_filter :assign_ref_vars
   before_filter :authorize_download_code!
   before_filter :require_non_empty_project
 
diff --git a/app/controllers/projects/raw_controller.rb b/app/controllers/projects/raw_controller.rb
index fdbc4c5a098..84888265dc1 100644
--- a/app/controllers/projects/raw_controller.rb
+++ b/app/controllers/projects/raw_controller.rb
@@ -2,7 +2,7 @@
 class Projects::RawController < Projects::ApplicationController
   include ExtractsPath
 
-  # Authorize
+  before_filter :assign_ref_vars
   before_filter :authorize_download_code!
   before_filter :require_non_empty_project
 
diff --git a/app/controllers/projects/refs_controller.rb b/app/controllers/projects/refs_controller.rb
index 67665f5f601..cede0ebe0ae 100644
--- a/app/controllers/projects/refs_controller.rb
+++ b/app/controllers/projects/refs_controller.rb
@@ -1,7 +1,7 @@
 class Projects::RefsController < Projects::ApplicationController
   include ExtractsPath
 
-  # Authorize
+  before_filter :assign_ref_vars
   before_filter :authorize_download_code!
   before_filter :require_non_empty_project
 
diff --git a/app/controllers/projects/tree_controller.rb b/app/controllers/projects/tree_controller.rb
index 4d033b36848..5b52640a4e1 100644
--- a/app/controllers/projects/tree_controller.rb
+++ b/app/controllers/projects/tree_controller.rb
@@ -1,7 +1,12 @@
 # Controller for viewing a repository's file structure
-class Projects::TreeController < Projects::BaseTreeController
-  def show
+class Projects::TreeController < Projects::ApplicationController
+  include ExtractsPath
 
+  before_filter :assign_ref_vars
+  before_filter :authorize_download_code!
+  before_filter :require_non_empty_project, except: [:new, :create]
+
+  def show
     if tree.entries.empty?
       if @repository.blob_at(@commit.id, @path)
         redirect_to project_blob_path(@project, File.join(@ref, @path)) and return
diff --git a/lib/extracts_path.rb b/lib/extracts_path.rb
index e51cb30bdd9..19215cfb7e6 100644
--- a/lib/extracts_path.rb
+++ b/lib/extracts_path.rb
@@ -1,17 +1,9 @@
 # Module providing methods for dealing with separating a tree-ish string and a
 # file path string when combined in a request parameter
 module ExtractsPath
-  extend ActiveSupport::Concern
-
   # Raised when given an invalid file path
   class InvalidPathError < StandardError; end
 
-  included do
-    if respond_to?(:before_filter)
-      before_filter :assign_ref_vars
-    end
-  end
-
   # Given a string containing both a Git tree-ish, such as a branch or tag, and
   # a filesystem path joined by forward slashes, attempts to separate the two.
   #