diff --git a/Gemfile b/Gemfile
index 4127ede86..c515b2d96 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,8 +38,6 @@ gem 'kaminari'
 # Decorators
 gem 'draper'
 
-gem 'unicode_utils'
-
 # Gestion des comptes utilisateurs
 gem 'devise'
 gem 'devise-async'
diff --git a/Gemfile.lock b/Gemfile.lock
index 110b9c397..a91fc5d90 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -746,7 +746,6 @@ GEM
       unf_ext
     unf_ext (0.0.7.5)
     unicode-display_width (1.3.2)
-    unicode_utils (1.4.0)
     unicorn (5.4.0)
       kgio (~> 2.6)
       raindrops (~> 0.7)
@@ -866,7 +865,6 @@ DEPENDENCIES
   turbolinks
   typhoeus
   uglifier
-  unicode_utils
   unicorn
   vcr
   warden!
diff --git a/app/views/dossiers/_edit_carto.html.haml b/app/views/dossiers/_edit_carto.html.haml
index 8d2e5dc9b..85567d5b2 100644
--- a/app/views/dossiers/_edit_carto.html.haml
+++ b/app/views/dossiers/_edit_carto.html.haml
@@ -2,4 +2,4 @@
   - if user_signed_in? && (@facade.dossier.owner_or_invite?(current_user))
     %a#maj_carte.action{ href: "/users/dossiers/#{@facade.dossier.id}/carte" }
       .col-lg-2.col-md-2.col-sm-2.col-xs-2.action
-        = 'éditer'.upcase
+        = 'ÉDITER'
diff --git a/app/views/dossiers/_edit_dossier.html.haml b/app/views/dossiers/_edit_dossier.html.haml
index eecc8aab9..14e3800cd 100644
--- a/app/views/dossiers/_edit_dossier.html.haml
+++ b/app/views/dossiers/_edit_dossier.html.haml
@@ -2,4 +2,4 @@
   - if user_signed_in? && (@facade.dossier.owner_or_invite?(current_user))
     = link_to modifier_dossier_path(@facade.dossier), class: 'action', id: 'maj_infos' do
       #edit-dossier.col-lg-2.col-md-2.col-sm-2.col-xs-2.action
-        = "éditer".upcase
+        = "ÉDITER"
diff --git a/app/views/dossiers/_infos_dossier.html.haml b/app/views/dossiers/_infos_dossier.html.haml
index d5e0f1ec1..0677e67e3 100644
--- a/app/views/dossiers/_infos_dossier.html.haml
+++ b/app/views/dossiers/_infos_dossier.html.haml
@@ -3,7 +3,7 @@
     - if @facade.procedure.for_individual?
       .row.title-row
         .col-xs-4.split-hr
-        .col-xs-4.dossier-title= t('utils.depositaire').upcase
+        .col-xs-4.dossier-title= t('utils.depositaire')
         .col-xs-4.split-hr
       .row
         .col-xs-6.depositaire-label Civilité
@@ -29,7 +29,7 @@
         - if champ.type_champ == 'header_section'
           .row.title-row.margin-top-40
             .col-xs-3.split-hr
-            .col-xs-6.dossier-title= champ.libelle.upcase
+            .col-xs-6.dossier-title= champ.libelle
             .col-xs-3.split-hr
         - else
           .row
@@ -60,7 +60,7 @@
     .col-xs-12
       .row.title-row
         .col-xs-4.split-hr
-        .col-xs-4.dossier-title= t('utils.pieces').upcase
+        .col-xs-4.dossier-title= t('utils.pieces')
         .col-xs-4.split-hr
 
   .col-xs-12#pieces-justificatives.margin-bot-40
diff --git a/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_index.html.haml b/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_index.html.haml
index 68291d6d5..362576da5 100644
--- a/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_index.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_index.html.haml
@@ -2,7 +2,7 @@
   .en-cours
     %b
       = dossier_count = current_administrateur.procedures.count
-    = ("Procedures".pluralize(dossier_count)).upcase
+    = "Procedures".pluralize(dossier_count)
 
 #action-block
 
diff --git a/app/views/layouts/left_panels/_left_panel_users_dossierscontroller_index.html.haml b/app/views/layouts/left_panels/_left_panel_users_dossierscontroller_index.html.haml
index 83c65aa77..31ad41f26 100644
--- a/app/views/layouts/left_panels/_left_panel_users_dossierscontroller_index.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_users_dossierscontroller_index.html.haml
@@ -1,7 +1,7 @@
 #first-block
   .en-cours
     = dossier_count = current_user.dossiers.count
-    = ("Dossier".pluralize(dossier_count)).upcase
+    = "Dossier".pluralize(dossier_count)
     %br
     EN COURS
 
diff --git a/config/initializers/stringupcasepatch.rb b/config/initializers/stringupcasepatch.rb
deleted file mode 100644
index 39d2e107a..000000000
--- a/config/initializers/stringupcasepatch.rb
+++ /dev/null
@@ -1,7 +0,0 @@
-require "unicode_utils/upcase"
-
-class String
-  def upcase
-    UnicodeUtils.upcase(self)
-  end
-end