diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 88d2a343a..870441667 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -2,7 +2,6 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
-  before_action :check_browser
   before_action :load_navbar_left_pannel_partial_url
   before_action :set_raven_context
   before_action :authorize_request_for_profiler
@@ -26,10 +25,6 @@ class ApplicationController < ActionController::Base
     {}
   end
 
-  def check_browser
-    BROWSER.value = BrowserService.get_browser(request)
-  end
-
   def load_navbar_left_pannel_partial_url
     controller = request.controller_class
     method = params[:action]
diff --git a/app/services/browser_service.rb b/app/services/browser_service.rb
deleted file mode 100644
index 0163bbe6e..000000000
--- a/app/services/browser_service.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-class BrowserService
-  def self.get_browser request
-    BROWSER.value = Browser.new(request.user_agent)
-  end
-
-  def self.recommended_browser?
-    browser = BROWSER.value
-
-    return false if browser.chrome? && browser.version.to_i < 40
-    return false if browser.ie?(["<10"])
-    return false if browser.firefox? && browser.version.to_i < 45
-    return false if browser.opera? && browser.version.to_i < 19
-    return false if browser.safari? && browser.version.to_i < 8
-
-    true
-  end
-end
diff --git a/app/views/layouts/_support_navigator_banner.html.haml b/app/views/layouts/_support_navigator_banner.html.haml
index dcd937860..5f6cf628e 100644
--- a/app/views/layouts/_support_navigator_banner.html.haml
+++ b/app/views/layouts/_support_navigator_banner.html.haml
@@ -1,7 +1,7 @@
-- if !BrowserService.recommended_browser?
+- if !browser.modern?
   #support-navigator-banner.row
     .col-xs-12
-      = BROWSER.value.name
-      = BROWSER.value.version
+      = browser.name
+      = browser.version
       \-
       Attention, votre navigateur n'est pas recommandé pour la navigation sur ce site internet. Aucun support ne pourra vous être prodigué en cas de dysfonctionnement.
diff --git a/config/initializers/browser.rb b/config/initializers/browser.rb
index 950d9536c..647ce8a39 100644
--- a/config/initializers/browser.rb
+++ b/config/initializers/browser.rb
@@ -1,3 +1,7 @@
-BROWSER = Hashie::Mash.new ({
-  value: nil
-})
+Browser.modern_rules.clear
+Browser.modern_rules << -> b { b.chrome? && b.version.to_i >= 40 }
+Browser.modern_rules << -> b { b.ie?([">=10"]) }
+Browser.modern_rules << -> b { b.edge? }
+Browser.modern_rules << -> b { b.firefox? && b.version.to_i >= 45 }
+Browser.modern_rules << -> b { b.opera? && b.version.to_i >= 19 }
+Browser.modern_rules << -> b { b.safari? && b.version.to_i >= 8 }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8ab5e7d15..266047f62 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -69,7 +69,6 @@ end
 DatabaseCleaner.strategy = :transaction
 
 SIADETOKEN = :valid_token if !defined? SIADETOKEN
-BROWSER.value = Browser.new('Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)')
 
 include Warden::Test::Helpers