diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae0fb536..f684a870 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ The version numbers below try to follow the conventions at http://semver.org/.
 
 ## Unreleased
 
+- Remove back buttons from prezento
 - Refactor latest method
 - Adds validations (presence and uniqueness) of foreign keys attributes
 - Remove the repository's instance that has remained in the db
diff --git a/app/views/compound_metric_configurations/_form.html.erb b/app/views/compound_metric_configurations/_form.html.erb
index 43bf7119..dae5e50c 100644
--- a/app/views/compound_metric_configurations/_form.html.erb
+++ b/app/views/compound_metric_configurations/_form.html.erb
@@ -21,7 +21,6 @@
     <% if @metric_configuration.persisted? %>
       <%= hidden_field_tag(:reading_group_id, @metric_configuration.reading_group_id) %>
       <%= hidden_field_tag(:kalibro_configuration_id, @metric_configuration.kalibro_configuration_id) %>
-      <%= link_to t('back'), kalibro_configuration_path(@metric_configuration.kalibro_configuration_id), class: 'btn btn-default' %>
     <% else %>
       <div class="form-row">
         <div class="field-container">
@@ -35,7 +34,6 @@
         </div>
       </div>
       <%= f.hidden_field(:kalibro_configuration_id, value: @kalibro_configuration.id) %>
-      <%= link_to t('back'), kalibro_configuration_path(@kalibro_configuration.id), class: 'btn btn-default' %>
     <% end %>
     <%= f.submit t('save'), class: 'btn btn-primary' %>
   </div>
diff --git a/app/views/compound_metric_configurations/show.html.erb b/app/views/compound_metric_configurations/show.html.erb
index 418a9b43..57bf458f 100644
--- a/app/views/compound_metric_configurations/show.html.erb
+++ b/app/views/compound_metric_configurations/show.html.erb
@@ -69,7 +69,6 @@
 <hr>
 
 <p>
- <%= link_to t('back'), kalibro_configuration_path(@metric_configuration.kalibro_configuration_id), class: 'btn btn-default' %>
 <% if kalibro_configuration_owner? @metric_configuration.kalibro_configuration_id %>
       <%= link_to t_action(:destroy, MetricConfiguration), kalibro_configuration_metric_configuration_path(@metric_configuration.kalibro_configuration_id,
       @metric_configuration.id), method: :delete, data: { confirm: t('want_destroy_metric_configuration') },
diff --git a/app/views/devise/registrations/edit.html.erb b/app/views/devise/registrations/edit.html.erb
index a84c6762..7eca0f31 100644
--- a/app/views/devise/registrations/edit.html.erb
+++ b/app/views/devise/registrations/edit.html.erb
@@ -80,6 +80,4 @@
 <hr />
 <h2><%= t('.cancel_my_account', :default => 'Cancel my account') %></h2>
 
-<p><%= t('.unhappy', :default => 'Unhappy') %>? <%= link_to t('.cancel_my_account', :default => "Cancel my account"), registration_path(resource_name), :data => { :confirm => t('.are_you_sure', :default => "Are you sure?") }, :method => :delete, class: 'btn btn-warning' %>.</p>
-
-<%= link_to t('devise.shared.links.back', :default => "Back"), :back, class: 'btn btn-default' %>
+<p><%= t('.unhappy', :default => 'Unhappy') %>? <%= link_to t('.cancel_my_account', :default => "Cancel my account"), registration_path(resource_name), :data => { :confirm => t('.are_you_sure', :default => "Are you sure?") }, :method => :delete, class: 'btn btn-warning' %>.</p>
\ No newline at end of file
diff --git a/app/views/kalibro_configurations/_form.html.erb b/app/views/kalibro_configurations/_form.html.erb
index 86772d77..07b2bf4d 100644
--- a/app/views/kalibro_configurations/_form.html.erb
+++ b/app/views/kalibro_configurations/_form.html.erb
@@ -22,7 +22,6 @@
 
 <div class="row margin-left-none" style="margin-top: 20px">
   <%= f.submit t('save'), class: 'btn btn-primary' %>
-  <%= link_to t('back'), kalibro_configurations_path, class: 'btn btn-default' %>
 </div>
 
 <% end %>
diff --git a/app/views/kalibro_configurations/show.html.erb b/app/views/kalibro_configurations/show.html.erb
index 96087044..715f9f39 100644
--- a/app/views/kalibro_configurations/show.html.erb
+++ b/app/views/kalibro_configurations/show.html.erb
@@ -58,7 +58,6 @@
 
 <hr>
 <p>
- <%= link_to t('back'), kalibro_configurations_path, class: 'btn btn-default' %>
  <% if kalibro_configuration_owner? @kalibro_configuration.id %>
    <%= link_to t_action(:destroy, KalibroConfiguration), kalibro_configuration_path(@kalibro_configuration.id), method: :delete, data: { confirm: 'Are you sure that you want to destroy this Configuration?' }, class: 'btn btn-danger' %>
  <% end %>
diff --git a/app/views/kalibro_ranges/_form.html.erb b/app/views/kalibro_ranges/_form.html.erb
index 656fece4..b3b49999 100644
--- a/app/views/kalibro_ranges/_form.html.erb
+++ b/app/views/kalibro_ranges/_form.html.erb
@@ -74,5 +74,4 @@
 
   <div class="row margin-left-none" style="margin-top: 20px">
     <%= f.submit t('save'), class: 'btn btn-primary' %>
-    <%= link_to t('back'), kalibro_configuration_metric_configuration_path(@kalibro_configuration_id, @metric_configuration_id), class: 'btn btn-default' %>
   </div>
diff --git a/app/views/metric_configurations/choose_metric.html.erb b/app/views/metric_configurations/choose_metric.html.erb
index 3341b11c..87f4a293 100644
--- a/app/views/metric_configurations/choose_metric.html.erb
+++ b/app/views/metric_configurations/choose_metric.html.erb
@@ -20,7 +20,6 @@
   <% end %>
 </div><br />
 
-<%= link_to t('back'), kalibro_configuration_path(@kalibro_configuration.id), class: 'btn btn-default' %>
 <%= link_to t('compound_metric'), new_kalibro_configuration_compound_metric_configuration_path(@kalibro_configuration.id), class: 'btn btn-info', id: "link_to_compound" %>
 
 
diff --git a/app/views/metric_configurations/edit.html.erb b/app/views/metric_configurations/edit.html.erb
index 2c3680ec..4750a60e 100644
--- a/app/views/metric_configurations/edit.html.erb
+++ b/app/views/metric_configurations/edit.html.erb
@@ -6,6 +6,5 @@
   <%= render partial: 'form', locals: {f: f} %>
   <div class="row margin-left-none" style="margin-top: 20px">
   	<%= f.submit t('save'), class: 'btn btn-primary' %>
-  	<%= link_to t('back'), kalibro_configuration_path(@metric_configuration.kalibro_configuration_id), class: 'btn btn-default' %>
   </div>
 <% end %>
diff --git a/app/views/metric_configurations/new.html.erb b/app/views/metric_configurations/new.html.erb
index e4cc33b1..280878a7 100644
--- a/app/views/metric_configurations/new.html.erb
+++ b/app/views/metric_configurations/new.html.erb
@@ -28,6 +28,5 @@
   <%= render partial: 'form', locals: {f: f} %>
   <div class="row margin-left-none" style="margin-top: 20px">
   	<%= f.submit t('save'), class: 'btn btn-primary' %>
-    <%= link_to t('back'),  kalibro_configuration_choose_metric_path(@kalibro_configuration.id), class: 'btn btn-default' %>
 	</div>
 <% end %>
diff --git a/app/views/metric_configurations/show.html.erb b/app/views/metric_configurations/show.html.erb
index 8f40ee4b..54218ca3 100644
--- a/app/views/metric_configurations/show.html.erb
+++ b/app/views/metric_configurations/show.html.erb
@@ -75,7 +75,6 @@
 </table>
 
 <p>
- <%= link_to t('back'), kalibro_configuration_path(@metric_configuration.kalibro_configuration_id), class: 'btn btn-default' %>
 <% if kalibro_configuration_owner? @metric_configuration.kalibro_configuration_id %>
       <%= link_to t_action(:destroy, MetricConfiguration), kalibro_configuration_metric_configuration_path(@metric_configuration.kalibro_configuration_id,
       @metric_configuration.id), method: :delete, data: { confirm: t('want_destroy_metric_configuration') },
diff --git a/app/views/reading_groups/_form.html.erb b/app/views/reading_groups/_form.html.erb
index 13e7a5c8..ae53e699 100644
--- a/app/views/reading_groups/_form.html.erb
+++ b/app/views/reading_groups/_form.html.erb
@@ -21,6 +21,5 @@
 
 <div class="row margin-left-none" style="margin-top: 20px">
   <%= f.submit t('save'), class: 'btn btn-primary' %>
-  <%= link_to t('back'), reading_groups_path, class: 'btn btn-default' %>
 </div>
 <% end %>
diff --git a/app/views/readings/_form.html.erb b/app/views/readings/_form.html.erb
index 46f127df..4ed7deed 100644
--- a/app/views/readings/_form.html.erb
+++ b/app/views/readings/_form.html.erb
@@ -56,10 +56,8 @@
   <%= f.submit t('save'), class: 'btn btn-primary' %>
   <% if @reading.persisted? %>
     <%= f.hidden_field(:reading_group_id, value: @reading.reading_group_id) %>
-    <%= link_to t('back'), reading_group_path(@reading.reading_group_id), class: 'btn btn-default' %>
   <% else %>
     <%= f.hidden_field(:reading_group_id, value: @reading_group_id) %>
-    <%= link_to t('back'), reading_group_path(@reading_group_id), class: 'btn btn-default' %>
   <% end %>
 </div>
 
diff --git a/app/views/repositories/_form.html.erb b/app/views/repositories/_form.html.erb
index 7a96a4e3..0dd12b1d 100644
--- a/app/views/repositories/_form.html.erb
+++ b/app/views/repositories/_form.html.erb
@@ -105,7 +105,6 @@
 </div>
 <div class="row margin-left-none" style="margin-top: 20px">
   <%= f.submit t('save'), class: 'btn btn-primary' %>
-  <%= link_to t('back'),  projects_path, class: 'btn btn-default' %>
 </div>
 
 <script type="text/javascript">
diff --git a/app/views/repositories/show.html.erb b/app/views/repositories/show.html.erb
index 5e3549ba..b5d8441b 100644
--- a/app/views/repositories/show.html.erb
+++ b/app/views/repositories/show.html.erb
@@ -107,7 +107,6 @@
 
 <hr/>
 
-<%= link_to t('back'),  repositories_path, class: 'btn btn-default' %>
 <% if repository_owner? @repository.id %>
   <%= link_to t('repository.show.reprocess'), repository_process_path(@repository.id),  class: 'btn btn-info' %>
   <%= link_to t('destroy'), repository_path(@repository.id), method: :delete, data: { confirm: t('sure_destroy', model: Repository.model_name.human) }, class: 'btn btn-danger' %>
diff --git a/features/repository/show/independent.feature b/features/repository/show/independent.feature
index b050ea92..e14b7390 100644
--- a/features/repository/show/independent.feature
+++ b/features/repository/show/independent.feature
@@ -33,6 +33,3 @@ Feature: Date Select
     And I should see "Grade"
     When I click the Reprocess link
     Then I should see "PREPARING"
-    When I click the Back link
-    And I wait for "5" seconds
-    Then I should be at the Repositories index
diff --git a/features/repository/show/repository_info.feature b/features/repository/show/repository_info.feature
index e43b23f4..2d3f2384 100644
--- a/features/repository/show/repository_info.feature
+++ b/features/repository/show/repository_info.feature
@@ -73,6 +73,6 @@ Feature: Show Repository
     Then I should see "Loading data. Please, wait."
     When I click the "Modules Tree" h3
     Then I should see "Loading data. Please, wait."
-    And I wait for "75" seconds or until I see "COLLECTING"
-    And I wait for "120" seconds or until I see "AGGREGATING"
+    And I wait for "300" seconds or until I see "COLLECTING"
+    And I wait for "500" seconds or until I see "AGGREGATING"
     And I wait for "400" seconds or until I see "READY"
diff --git a/features/tree_metric_configuration/create.feature b/features/tree_metric_configuration/create.feature
index ec9e79aa..3ebd0b3b 100644
--- a/features/tree_metric_configuration/create.feature
+++ b/features/tree_metric_configuration/create.feature
@@ -36,8 +36,6 @@ Feature: Tree Metric Configuration Creation
     And I click the Add Metric link
     And I click the "Analizo" h3
     And I click the Total Lines of Code link
-    When I click the Back link
-    Then I should be at the choose metric page
 
   @kalibro_configuration_restart @javascript
   Scenario: compound metric configuration creation with same code