diff --git a/app/models/group.rb b/app/models/group.rb
index d6ec0be6081..da9621a2a1a 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -23,7 +23,7 @@ class Group < Namespace
   validate :avatar_type, if: ->(user) { user.avatar_changed? }
   validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
 
-  mount_uploader :avatar, AttachmentUploader
+  mount_uploader :avatar, AvatarUploader
 
   after_create :post_create_hook
   after_destroy :post_destroy_hook
diff --git a/app/models/project.rb b/app/models/project.rb
index 56e1aa29040..e2c7f76eb09 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -138,7 +138,7 @@ class Project < ActiveRecord::Base
     if: ->(project) { project.avatar && project.avatar_changed? }
   validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
 
-  mount_uploader :avatar, AttachmentUploader
+  mount_uploader :avatar, AvatarUploader
 
   # Scopes
   scope :sorted_by_activity, -> { reorder(last_activity_at: :desc) }
diff --git a/app/models/user.rb b/app/models/user.rb
index 21ccc76978e..a723b1289b6 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -177,7 +177,7 @@ class User < ActiveRecord::Base
     end
   end
 
-  mount_uploader :avatar, AttachmentUploader
+  mount_uploader :avatar, AvatarUplaoder
 
   # Scopes
   scope :admins, -> { where(admin:  true) }
diff --git a/app/uploaders/attachment_uploader.rb b/app/uploaders/attachment_uploader.rb
index b122b6c8658..a9691bee46e 100644
--- a/app/uploaders/attachment_uploader.rb
+++ b/app/uploaders/attachment_uploader.rb
@@ -3,8 +3,6 @@
 class AttachmentUploader < CarrierWave::Uploader::Base
   storage :file
 
-  after :store, :reset_events_cache
-
   def store_dir
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
@@ -22,15 +20,7 @@ class AttachmentUploader < CarrierWave::Uploader::Base
     false
   end
 
-  def secure_url
-    Gitlab.config.gitlab.relative_url_root + "/files/#{model.class.to_s.underscore}/#{model.id}/#{file.filename}"
-  end
-
   def file_storage?
     self.class.storage == CarrierWave::Storage::File
   end
-
-  def reset_events_cache(file)
-    model.reset_events_cache if model.is_a?(User)
-  end
 end
diff --git a/app/uploaders/avatar_uploader.rb b/app/uploaders/avatar_uploader.rb
new file mode 100644
index 00000000000..7cad044555b
--- /dev/null
+++ b/app/uploaders/avatar_uploader.rb
@@ -0,0 +1,32 @@
+# encoding: utf-8
+
+class AvatarUploader < CarrierWave::Uploader::Base
+  storage :file
+
+  after :store, :reset_events_cache
+
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+
+  def image?
+    img_ext = %w(png jpg jpeg gif bmp tiff)
+    if file.respond_to?(:extension)
+      img_ext.include?(file.extension.downcase)
+    else
+      # Not all CarrierWave storages respond to :extension
+      ext = file.path.split('.').last.downcase
+      img_ext.include?(ext)
+    end
+  rescue
+    false
+  end
+
+  def file_storage?
+    self.class.storage == CarrierWave::Storage::File
+  end
+
+  def reset_events_cache(file)
+    model.reset_events_cache if model.is_a?(User)
+  end
+end
diff --git a/app/views/events/event/_note.html.haml b/app/views/events/event/_note.html.haml
index 0acb8538778..4ef18c09060 100644
--- a/app/views/events/event/_note.html.haml
+++ b/app/views/events/event/_note.html.haml
@@ -18,9 +18,9 @@
     - note = event.target
     - if note.attachment.url
       - if note.attachment.image?
-        = link_to note.attachment.secure_url, target: '_blank' do
-          = image_tag note.attachment.secure_url, class: 'note-image-attach'
+        = link_to note.attachment.url, target: '_blank' do
+          = image_tag note.attachment.url, class: 'note-image-attach'
       - else
-        = link_to note.attachment.secure_url, target: "_blank", class: 'note-file-attach' do
+        = link_to note.attachment.url, target: "_blank", class: 'note-file-attach' do
           %i.fa.fa-paperclip
           = note.attachment_identifier
diff --git a/app/views/projects/notes/_note.html.haml b/app/views/projects/notes/_note.html.haml
index 88c7b7ccf1a..cfeba00d271 100644
--- a/app/views/projects/notes/_note.html.haml
+++ b/app/views/projects/notes/_note.html.haml
@@ -57,10 +57,10 @@
       - if note.attachment.url
         .note-attachment
           - if note.attachment.image?
-            = link_to note.attachment.secure_url, target: '_blank' do
-              = image_tag note.attachment.secure_url, class: 'note-image-attach'
+            = link_to note.attachment.url, target: '_blank' do
+              = image_tag note.attachment.url, class: 'note-image-attach'
           .attachment
-            = link_to note.attachment.secure_url, target: "_blank" do
+            = link_to note.attachment.url, target: "_blank" do
               %i.fa.fa-paperclip
               = note.attachment_identifier
               = link_to delete_attachment_project_note_path(@project, note),
diff --git a/features/steps/groups.rb b/features/steps/groups.rb
index 610e7fd3a48..0a9b4ccba53 100644
--- a/features/steps/groups.rb
+++ b/features/steps/groups.rb
@@ -110,7 +110,7 @@ class Spinach::Features::Groups < Spinach::FeatureSteps
   end
 
   step 'I should see new group "Owned" avatar' do
-    Group.find_by(name: "Owned").avatar.should be_instance_of AttachmentUploader
+    Group.find_by(name: "Owned").avatar.should be_instance_of AvatarUploader
     Group.find_by(name: "Owned").avatar.url.should == "/uploads/group/avatar/#{ Group.find_by(name:"Owned").id }/gitlab_logo.png"
   end
 
diff --git a/features/steps/profile/profile.rb b/features/steps/profile/profile.rb
index a907b0b7dcf..4efd2176782 100644
--- a/features/steps/profile/profile.rb
+++ b/features/steps/profile/profile.rb
@@ -29,7 +29,7 @@ class Spinach::Features::Profile < Spinach::FeatureSteps
   end
 
   step 'I should see new avatar' do
-    @user.avatar.should be_instance_of AttachmentUploader
+    @user.avatar.should be_instance_of AvatarUploader
     @user.avatar.url.should == "/uploads/user/avatar/#{ @user.id }/gitlab_logo.png"
   end
 
diff --git a/features/steps/project/project.rb b/features/steps/project/project.rb
index 033d45e0253..d39c8e7d2db 100644
--- a/features/steps/project/project.rb
+++ b/features/steps/project/project.rb
@@ -35,7 +35,7 @@ class Spinach::Features::Project < Spinach::FeatureSteps
   end
 
   step 'I should see new project avatar' do
-    @project.avatar.should be_instance_of AttachmentUploader
+    @project.avatar.should be_instance_of AvatarUploader
     url = @project.avatar.url
     url.should == "/uploads/project/avatar/#{ @project.id }/gitlab_logo.png"
   end