diff --git a/app/tasks/maintenance/clean_header_section_options_task.rb b/app/tasks/maintenance/clean_header_section_options_task.rb
new file mode 100644
index 000000000..7bcd250bb
--- /dev/null
+++ b/app/tasks/maintenance/clean_header_section_options_task.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Maintenance
+  class CleanHeaderSectionOptionsTask < MaintenanceTasks::Task
+    # In the rest of PR 10713
+    # TypeDeChamp options may contain options which are not consistent with the
+    # type_champ (e.g. a ‘header_section’ TypeDeChamp which has a
+    # drop_down_options key/value in its options).
+    # The aim here is to clean up the options so that only those wich are useful
+    # for the type_champ in question.
+
+    def collection
+      TypeDeChamp
+        .where(type_champ: 'header_section')
+        .where.not(options: {})
+        .where.not("(SELECT COUNT(*) FROM jsonb_each_text(options)) = 1 AND options ? 'header_section_level'")
+    end
+
+    def process(tdc)
+      tdc.update(options: tdc.options.slice(:header_section_level))
+    end
+  end
+end
diff --git a/spec/tasks/maintenance/clean_header_section_options_task_spec.rb b/spec/tasks/maintenance/clean_header_section_options_task_spec.rb
new file mode 100644
index 000000000..ba3571141
--- /dev/null
+++ b/spec/tasks/maintenance/clean_header_section_options_task_spec.rb
@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+module Maintenance
+  RSpec.describe CleanHeaderSectionOptionsTask do
+    describe '#collection' do
+      subject(:collection) { described_class.collection }
+
+      context 'clean header_section tdc with header_section_level' do
+        let(:tdc) {
+          create(:type_de_champ_header_section,
+                  options: {
+                    'header_section_level' => '1'
+                  })
+        }
+
+        it do
+          expect(collection).not_to include(tdc)
+        end
+      end
+
+      context 'clean header_section tdc with no header_section_level' do
+        let(:tdc) {
+          create(:type_de_champ_header_section,
+                  options: {})
+        }
+
+        it do
+          expect(collection).not_to include(tdc)
+        end
+      end
+
+      context 'header_section tdc with bad data options' do
+        let(:tdc) {
+          create(:type_de_champ_header_section,
+                  options: {
+                    'header_section_level' => '1',
+                    'key' => 'value'
+                  })
+        }
+
+        it do
+          expect(collection).to include(tdc)
+        end
+      end
+
+      context 'other tdc' do
+        let(:tdc) {
+          create(:type_de_champ_textarea,
+                  options: {
+                    'character_limit' => '400'
+                  })
+        }
+
+        it do
+          expect(collection).not_to include(tdc)
+        end
+      end
+    end
+
+    describe "#process" do
+      subject(:process) { described_class.process(tdc) }
+
+      context 'bad data in options' do
+        let(:tdc) {
+          create(:type_de_champ_header_section,
+                  options: {
+                    'header_section_level' => '1',
+                    'key' => 'value'
+                  })
+        }
+
+        it do
+          subject
+          expect(tdc.reload.options).to eq({ 'header_section_level' => '1' })
+        end
+      end
+
+      context 'only bad data in options' do
+        let(:tdc) {
+          create(:type_de_champ_header_section,
+                  options: {
+                    'key' => 'value'
+                  })
+        }
+
+        it do
+          subject
+          expect(tdc.reload.options).to eq({})
+        end
+      end
+    end
+  end
+end