diff --git a/db/migrate/20170302112312_remove_deposit_datetime_from_dossiers.rb b/db/migrate/20170302112312_remove_deposit_datetime_from_dossiers.rb
new file mode 100644
index 000000000..600beb4a3
--- /dev/null
+++ b/db/migrate/20170302112312_remove_deposit_datetime_from_dossiers.rb
@@ -0,0 +1,8 @@
+class RemoveDepositDatetimeFromDossiers < ActiveRecord::Migration[5.0]
+  def change
+    Dossier.where.not(deposit_datetime: nil).each do |dossier|
+      dossier.update(initiated_at: dossier.deposit_datetime)
+    end
+    remove_column :dossiers, :deposit_datetime, :datetime
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c9faf462b..f64bd3888 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170228150522) do
+ActiveRecord::Schema.define(version: 20170302112312) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -126,7 +126,6 @@ ActiveRecord::Schema.define(version: 20170228150522) do
     t.text     "json_latlngs"
     t.boolean  "archived",             default: false
     t.boolean  "mandataire_social",    default: false
-    t.datetime "deposit_datetime"
     t.datetime "initiated_at"
     t.datetime "received_at"
     t.datetime "processed_at"