diff --git a/src/Bundle/ChillMainBundle/Phonenumber/PhoneNumberHelperInterface.php b/src/Bundle/ChillMainBundle/Phonenumber/PhoneNumberHelperInterface.php
index dbf78003c..9cd5605f8 100644
--- a/src/Bundle/ChillMainBundle/Phonenumber/PhoneNumberHelperInterface.php
+++ b/src/Bundle/ChillMainBundle/Phonenumber/PhoneNumberHelperInterface.php
@@ -22,8 +22,6 @@ use libphonenumber\PhoneNumber;
  */
 interface PhoneNumberHelperInterface
 {
-    public function denormalize(PhoneNumber $phoneNumber): string;
-
     public function format(PhoneNumber $phonenumber): string;
 
     /**
@@ -54,5 +52,4 @@ interface PhoneNumberHelperInterface
      */
     public function isValidPhonenumberMobile(string $phonenumber): bool;
 
-    public function normalize(string $phoneNumber): string;
 }
diff --git a/src/Bundle/ChillMainBundle/Phonenumber/PhonenumberHelper.php b/src/Bundle/ChillMainBundle/Phonenumber/PhonenumberHelper.php
index 26f6b6e2a..b82159185 100644
--- a/src/Bundle/ChillMainBundle/Phonenumber/PhonenumberHelper.php
+++ b/src/Bundle/ChillMainBundle/Phonenumber/PhonenumberHelper.php
@@ -73,11 +73,6 @@ final class PhonenumberHelper implements PhoneNumberHelperInterface
         $this->phoneNumberUtil = PhoneNumberUtil::getInstance();
     }
 
-    public function denormalize(PhoneNumber $phoneNumber): string
-    {
-        return $this->format($phoneNumber);
-    }
-
     /**
      * @param string $phoneNumber A national phone number starting with +
      *
@@ -167,78 +162,6 @@ final class PhonenumberHelper implements PhoneNumberHelperInterface
         return 'mobile' === $validation;
     }
 
-    public function normalize(string $phoneNumber): string
-    {
-        $phoneUtil = PhoneNumberUtil::getInstance();
-
-        return $phoneUtil
-            ->format(
-                $phoneUtil->parse($phoneNumber, $this->config['default_carrier_code']),
-                PhoneNumberFormat::E164
-            );
-    }
-
-    private function performTwilioFormat($phonenumber)
-    {
-        if (false === $this->isPhonenumberValidationConfigured()) {
-            return $phonenumber;
-        }
-
-        // filter only number
-        $filtered = preg_replace('/[^0-9]/', '', $phonenumber);
-
-        $item = $this->cachePool->getItem('pnum_format_nat_' . $filtered);
-
-        if ($item->isHit()) {
-            return $item->get();
-        }
-
-        try {
-            $response = $this->twilioClient->get(sprintf(self::FORMAT_URI, '+' . $filtered), [
-                'http_errors' => true,
-            ]);
-        } catch (ClientException $e) {
-            $response = $e->getResponse();
-            $this->logger->error('[phonenumber helper] Could not format number '
-                . 'due to client error', [
-                    'message' => $response->getBody()->getContents(),
-                    'status_code' => $response->getStatusCode(),
-                    'phonenumber' => $phonenumber,
-                ]);
-
-            return $phonenumber;
-        } catch (ServerException $e) {
-            $response = $e->getResponse();
-            $this->logger->error('[phonenumber helper] Could not format number '
-                . 'due to server error', [
-                    'message' => $response->getBody()->getContents(),
-                    'status_code' => $response->getStatusCode(),
-                    'phonenumber' => $phonenumber,
-                ]);
-
-            return null;
-        } catch (ConnectException $e) {
-            $this->logger->error('[phonenumber helper] Could not format number '
-                . 'due to connect error', [
-                    'message' => $e->getMessage(),
-                    'phonenumber' => $phonenumber,
-                ]);
-
-            return null;
-        }
-
-        $format = json_decode($response->getBody()->getContents())->national_format;
-
-        $item
-            ->set($format)
-            // expires after 3d
-            ->expiresAfter(3600 * 24 * 3);
-
-        $this->cachePool->save($item);
-
-        return $format;
-    }
-
     private function performTwilioLookup($phonenumber)
     {
         if (false === $this->isPhonenumberValidationConfigured()) {
diff --git a/src/Bundle/ChillMainBundle/Tests/Phonenumber/PhonenumberHelperTest.php b/src/Bundle/ChillMainBundle/Tests/Phonenumber/PhonenumberHelperTest.php
index d344af3ed..59f0cde45 100644
--- a/src/Bundle/ChillMainBundle/Tests/Phonenumber/PhonenumberHelperTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Phonenumber/PhonenumberHelperTest.php
@@ -12,6 +12,8 @@ declare(strict_types=1);
 namespace Chill\MainBundle\Tests\Routing\Loader;
 
 use Chill\MainBundle\Phonenumber\PhonenumberHelper;
+use libphonenumber\PhoneNumber;
+use libphonenumber\PhoneNumberUtil;
 use Psr\Log\NullLogger;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
@@ -23,21 +25,6 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
  */
 final class PhonenumberHelperTest extends KernelTestCase
 {
-    public function denormalizePhonenumbers()
-    {
-        yield [
-            'BE',
-            '+3281136917',
-            '+3281136917',
-        ];
-
-        yield [
-            'BE',
-            '+33 6 23 12 45 54',
-            '+33623124554',
-        ];
-    }
-
     public function formatPhonenumbers()
     {
         yield [
@@ -55,72 +42,22 @@ final class PhonenumberHelperTest extends KernelTestCase
         yield [
             'FR',
             '+32 81 13 69 17',
-            '081 13 69 17',
+            '00 32 81 13 69 17',
         ];
 
         yield [
             'BE',
             '+33 6 23 12 45 54',
-            '06 23 12 45 54',
+            '00 33 6 23 12 45 54',
         ];
     }
 
-    public function normalizePhonenumbers()
-    {
-        yield [
-            'BE',
-            '081136917',
-            '+3281136917',
-        ];
-
-        yield [
-            'BE',
-            '003281136917',
-            '+3281136917',
-        ];
-
-        yield [
-            'BE',
-            '0032478123456',
-            '+32478123456',
-        ];
-
-        yield [
-            'BE',
-            '0478123456',
-            '+32478123456',
-        ];
-
-        yield [
-            'FR',
-            '0623124554',
-            '+33623124554',
-        ];
-    }
-
-    /**
-     * @dataProvider denormalizePhonenumbers
-     */
-    public function testDenormalizePhonenumbers(string $defaultCarrierCode, string $phoneNumber, string $expected)
-    {
-        $subject = new PhonenumberHelper(
-            new ArrayAdapter(),
-            new ParameterBag([
-                'chill_main.phone_helper' => [
-                    'default_carrier_code' => $defaultCarrierCode,
-                ],
-            ]),
-            new NullLogger()
-        );
-
-        $this->assertEquals($expected, $subject->denormalize($phoneNumber));
-    }
-
     /**
      * @dataProvider formatPhonenumbers
      */
     public function testFormatPhonenumbers(string $defaultCarrierCode, string $phoneNumber, string $expected)
     {
+        $util = PhoneNumberUtil::getInstance();
         $subject = new PhonenumberHelper(
             new ArrayAdapter(),
             new ParameterBag([
@@ -131,24 +68,6 @@ final class PhonenumberHelperTest extends KernelTestCase
             new NullLogger()
         );
 
-        $this->assertEquals($expected, $subject->format($phoneNumber));
-    }
-
-    /**
-     * @dataProvider normalizePhonenumbers
-     */
-    public function testNormalizePhonenumbers(string $defaultCarrierCode, string $phoneNumber, string $expected)
-    {
-        $subject = new PhonenumberHelper(
-            new ArrayAdapter(),
-            new ParameterBag([
-                'chill_main.phone_helper' => [
-                    'default_carrier_code' => $defaultCarrierCode,
-                ],
-            ]),
-            new NullLogger()
-        );
-
-        $this->assertEquals($expected, $subject->normalize($phoneNumber));
+        $this->assertEquals($expected, $subject->format($util->parse($phoneNumber)));
     }
 }