diff --git a/Gemfile b/Gemfile
index 8849da0e9..0286da028 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,7 +26,6 @@ gem 'delayed_job_web'
 gem 'devise' # Gestion des comptes utilisateurs
 gem 'devise-async'
 gem 'dotenv-rails', require: 'dotenv/rails-now' # dotenv should always be loaded before rails
-gem 'flipflop'
 gem 'flipper'
 gem 'flipper-active_record'
 gem 'flipper-ui'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9bf075646..6ee007053 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -220,8 +220,6 @@ GEM
     faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.25)
-    flipflop (2.4.0)
-      activesupport (>= 4.0)
     flipper (0.16.2)
     flipper-active_record (0.16.2)
       activerecord (>= 3.2, < 6)
@@ -733,7 +731,6 @@ DEPENDENCIES
   devise-async
   dotenv-rails
   factory_bot
-  flipflop
   flipper
   flipper-active_record
   flipper-ui
diff --git a/app/models/administrateur.rb b/app/models/administrateur.rb
index 738281e29..ed29cc034 100644
--- a/app/models/administrateur.rb
+++ b/app/models/administrateur.rb
@@ -1,4 +1,6 @@
 class Administrateur < ApplicationRecord
+  self.ignored_columns = ['features']
+
   include EmailSanitizableConcern
   include ActiveRecord::SecureToken
 
diff --git a/app/models/instructeur.rb b/app/models/instructeur.rb
index 08087b61e..d9fd18dc9 100644
--- a/app/models/instructeur.rb
+++ b/app/models/instructeur.rb
@@ -1,4 +1,5 @@
 class Instructeur < ApplicationRecord
+  self.ignored_columns = ['features']
   include EmailSanitizableConcern
 
   has_and_belongs_to_many :administrateurs
diff --git a/app/services/administrateur_usage_statistics_service.rb b/app/services/administrateur_usage_statistics_service.rb
index 44d5cba6a..d7351e859 100644
--- a/app/services/administrateur_usage_statistics_service.rb
+++ b/app/services/administrateur_usage_statistics_service.rb
@@ -31,7 +31,6 @@ class AdministrateurUsageStatisticsService
       ds_created_at: administrateur.created_at,
       ds_active: administrateur.active,
       ds_id: administrateur.id,
-      ds_features: administrateur.features.to_json,
       nb_services: nb_services_by_administrateur_id[administrateur.id],
       nb_instructeurs: nb_instructeurs_by_administrateur_id[administrateur.id],
 
diff --git a/spec/services/administrateur_usage_statistics_service_spec.rb b/spec/services/administrateur_usage_statistics_service_spec.rb
index 60eb299f0..3133e4a28 100644
--- a/spec/services/administrateur_usage_statistics_service_spec.rb
+++ b/spec/services/administrateur_usage_statistics_service_spec.rb
@@ -17,7 +17,6 @@ describe AdministrateurUsageStatisticsService do
           ds_created_at: Time.zone.now,
           ds_active: false,
           ds_id: administrateur.id,
-          ds_features: "{}",
           nb_services: 0,
           nb_instructeurs: 0,
           ds_nb_demarches_actives: 0,
@@ -43,7 +42,6 @@ describe AdministrateurUsageStatisticsService do
           current_sign_in_at: Time.zone.local(2019, 3, 7),
           last_sign_in_at: Time.zone.local(2019, 2, 27),
           active: true,
-          features: { holy_hand_grenade_of_antioch: true },
           services: [create(:service)],
           instructeurs: [create(:instructeur)])
       end
@@ -56,7 +54,6 @@ describe AdministrateurUsageStatisticsService do
           ds_created_at: Time.zone.now,
           ds_active: true,
           ds_id: administrateur.id,
-          ds_features: { holy_hand_grenade_of_antioch: true }.to_json,
           nb_services: 1,
           nb_instructeurs: 1
         )