diff --git a/src/BusProNet/ApiClient.php b/src/BusProNet/ApiClient.php
index d9811ac..753520f 100644
--- a/src/BusProNet/ApiClient.php
+++ b/src/BusProNet/ApiClient.php
@@ -2,7 +2,6 @@
 
 namespace App\BusProNet;
 
-use App\BusProNet\Model\BaseDataResponse;
 use App\BusProNet\Model\CrmAttributesResponse;
 use App\BusProNet\Model\NotificationResponse;
 use App\BusProNet\Model\ProfileResponse;
@@ -17,15 +16,24 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Serializer\SerializerInterface;
 use Symfony\Component\Uid\Uuid;
 
+/**
+ * The socket protocol against BusProNet: length prefixed German XML over fsockopen.
+ *
+ * This is the **write** path and the user facing reads that go with it - profile lookup and
+ * update, registration, password reset, the CRM selections behind the leads roles and hotel
+ * codes. All of it is per user and authenticated as that user, which is why it stays here.
+ *
+ * It is not legacy. The base data reads that used to sit alongside it - STAMMLAENDER,
+ * STAMMZUSTIEGE, STAMMHOTELS - are gone: hotels, pickups and countries now come from MyE&P's
+ * REST api (App\BusProNet\DataProvider\*, App\MyEp\Api\ApiClient), which is the one place
+ * that understands BusProNet's XML.
+ */
 class ApiClient
 {
     use ApiClientTrait;
 
     public const TYPE_NOTIFICATION = 'HINWEIS';
     public const TYPE_CUSTOMER_DATA = 'KUNDENKONTO';
-    public const TYPE_BASE_DATA_COUNTRIES = 'STAMMLAENDER';
-    public const TYPE_BASE_DATA_PICKUPS = 'STAMMZUSTIEGE';
-    public const TYPE_BASE_DATA_HOTELS = 'STAMMHOTELS';
 
     private array $config;
 
@@ -204,23 +212,6 @@ class ApiClient
         return $this->sendRequest(static::TYPE_CUSTOMER_DATA, $data);
     }
 
-    /**
-     * @throws ApiClientException
-     * @throws ResponseParserException
-     */
-    public function getBaseData(string $type): NotificationResponse|BaseDataResponse
-    {
-        $data = [
-            'anfrage' => [
-                'user' => $this->config['bpn_username'],
-                'key' => $this->createKey($this->config['bpn_username'], $this->config['bpn_password'], $type),
-                'satz' => ['@typ' => $type],
-            ],
-        ];
-
-        return $this->sendRequest($type, $data);
-    }
-
     /**
      * @throws ApiClientException
      * @throws ResponseParserException
diff --git a/src/BusProNet/Model/BaseDataResponse.php b/src/BusProNet/Model/BaseDataResponse.php
deleted file mode 100644
index 0c1ab7e..0000000
--- a/src/BusProNet/Model/BaseDataResponse.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-
-namespace App\BusProNet\Model;
-
-class BaseDataResponse
-{
-    public function __construct(private readonly array $items)
-    {
-    }
-
-    public function getItems(): array
-    {
-        return $this->items;
-    }
-}
diff --git a/src/BusProNet/ResponseParser.php b/src/BusProNet/ResponseParser.php
index c3ced18..ddbd576 100644
--- a/src/BusProNet/ResponseParser.php
+++ b/src/BusProNet/ResponseParser.php
@@ -3,15 +3,11 @@
 namespace App\BusProNet;
 
 use App\BusProNet\Model\Address;
-use App\BusProNet\Model\BaseDataResponse;
 use App\BusProNet\Model\Communication;
-use App\BusProNet\Model\Country;
 use App\BusProNet\Model\CrmAttribute;
 use App\BusProNet\Model\CrmAttributeGroup;
 use App\BusProNet\Model\CrmAttributesResponse;
-use App\BusProNet\Model\Hotel;
 use App\BusProNet\Model\NotificationResponse;
-use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\ProfileResponse;
 use App\BusProNet\Model\ProfileUpdateResponse;
 use App\BusProNet\Model\RegistrationResponse;
@@ -64,12 +60,6 @@ class ResponseParser
                         return $this->createRegistrationResponse($xml);
                 }
                 break;
-            case ApiClient::TYPE_BASE_DATA_COUNTRIES:
-                return $this->createCountriesResponse($xml);
-            case ApiClient::TYPE_BASE_DATA_PICKUPS:
-                return $this->createPickupsResponse($xml);
-            case ApiClient::TYPE_BASE_DATA_HOTELS:
-                return $this->createHotelsResponse($xml);
         }
 
         throw new ResponseParserException(sprintf('Unrecognised BusProNet response type "%s"', $responseType));
@@ -268,75 +258,6 @@ class ResponseParser
         return $response;
     }
 
-    public function createCountriesResponse(\SimpleXMLElement $xml): BaseDataResponse
-    {
-        $countries = [];
-
-        foreach ($xml->laender->land as $item) {
-            $itemAttributes = $item->attributes();
-            $token = (string) $itemAttributes['kuerzel'];
-            $country = new Country();
-            $country
-                ->setId((int) $itemAttributes['id'])
-                ->setName((string) $itemAttributes['bezeichnung'])
-                ->setToken((string) $itemAttributes['kuerzel'])
-                ->setNationality((string) $itemAttributes['nationalitaet'])
-            ;
-            $countries[$token] = $country;
-        }
-
-        return new BaseDataResponse($countries);
-    }
-
-    public function createPickupsResponse(\SimpleXMLElement $xml): BaseDataResponse
-    {
-        $pickups = [];
-
-        foreach ($xml->zustieg as $item) {
-            $itemAttributes = $item->attributes();
-            $id = (int) $itemAttributes['id'];
-            $busProId = (int) $itemAttributes['idbuspro'];
-            $pickup = new Pickup();
-            $pickup
-                ->setId($id)
-                ->setBusProId($busProId)
-                ->setCode((string) $itemAttributes['code'])
-                ->setCity((string) $item->ort)
-                ->setStreet((string) $item->strasse)
-            ;
-            $pickups[$busProId] = $pickup;
-        }
-
-        return new BaseDataResponse($pickups);
-    }
-
-    public function createHotelsResponse(\SimpleXMLElement $xml): BaseDataResponse
-    {
-        $hotels = [];
-
-        foreach ($xml->hotel as $item) {
-            $itemAttributes = $item->attributes();
-            $id = (int) $itemAttributes['id'];
-            $busProId = (int) $itemAttributes['idbuspro'];
-            $hotel = new Hotel();
-            $hotel
-                ->setId($id)
-                ->setBusProId($busProId)
-                ->setCode((string) $itemAttributes['code'])
-                ->setName((string) $item->name)
-                ->setCountry(strtolower((string) $item->land))
-                ->setCity((string) $item->ort)
-                ->setStreet((string) $item->strasse)
-                ->setPhone((string) $item->telefon)
-                ->setType((string) $item->art)
-                ->setCostUnit($item->kostenstelle)
-            ;
-            $hotels[$busProId] = $hotel;
-        }
-
-        return new BaseDataResponse($hotels);
-    }
-
     /**
      * The BusProNet endpoint can answer with an empty or truncated body. Keep the libxml
      * reason instead of collapsing every shape of broken response into one message.
diff --git a/tests/BusProNet/ResponseParserTest.php b/tests/BusProNet/ResponseParserTest.php
index 8764f59..38b56aa 100644
--- a/tests/BusProNet/ResponseParserTest.php
+++ b/tests/BusProNet/ResponseParserTest.php
@@ -3,10 +3,7 @@
 namespace App\Tests\BusProNet;
 
 use App\BusProNet\ApiClient;
-use App\BusProNet\Model\BaseDataResponse;
 use App\BusProNet\Model\CrmAttributesResponse;
-use App\BusProNet\Model\Hotel;
-use App\BusProNet\Model\Pickup;
 use App\BusProNet\Model\ProfileResponse;
 use App\BusProNet\Model\ProfileUpdateResponse;
 use App\BusProNet\Model\RegistrationResponse;
@@ -135,51 +132,6 @@ class ResponseParserTest extends TestCase
         $this->assertTrue($response->isUpdated());
     }
 
-    public function testParseSuccessfulPickupsResponse(): void
-    {
-        $content = '<?xml version="1.0" encoding="utf-8" ?><zustiege><zustieg id="1" idbuspro="1" code="298"><ort>Karlsruhe</ort><strasse>A5 - Autohof Bruchsal</strasse><art>BUS</art><hausabholung>False</hausabholung><crsbuchbar>True</crsbuchbar><internetbuchbar>True</internetbuchbar></zustieg><zustieg id="2" idbuspro="2" code="2"><ort>Bonn</ort><strasse>Bahnhof</strasse><art>BUS</art><hausabholung>False</hausabholung><crsbuchbar>True</crsbuchbar><internetbuchbar>True</internetbuchbar></zustieg></zustiege>';
-
-        $parser = $this->getParserInstance();
-        $response = $parser->parseXmlString(ApiClient::TYPE_BASE_DATA_PICKUPS, $content);
-
-        $this->assertInstanceOf(BaseDataResponse::class, $response);
-
-        $pickups = $response->getItems();
-        $this->assertCount(2, $pickups);
-
-        $pickup = reset($pickups);
-        $this->assertInstanceOf(Pickup::class, $pickup);
-        $this->assertEquals(1, $pickup->getId());
-        $this->assertEquals(1, $pickup->getBusProId());
-        $this->assertEquals('298', $pickup->getCode());
-        $this->assertEquals('Karlsruhe', $pickup->getCity());
-        $this->assertEquals('A5 - Autohof Bruchsal', $pickup->getStreet());
-    }
-
-    public function testParseSuccessfulHotelsResponse(): void
-    {
-        $content = '<?xml version="1.0" encoding="utf-8" ?><hotels><hotel id="1" idbuspro="202003" code="HÖCHST"><name>Berggasthof Höchsten</name><ort>Musterort</ort><strasse>Musterstr. 123</strasse><telefon>03444/19100</telefon><art>Gaststätte</art><internetbuchbar>True</internetbuchbar></hotel><hotel id="2" idbuspro="202004" code="Z. LÖW"><name>Brauereigasthof Zum Löwen</name><ort>Musterort</ort><strasse>Musterstr. 123</strasse><telefon>03437/11133</telefon><art>Gaststätte</art><internetbuchbar>True</internetbuchbar><selektiongruppe id="1" idbuspro="1" bezeichnung="Reisearten 1"><selektion id="1" idbuspro="2" bezeichnung="Kurz-und Clubreisen" /><selektion id="2" idbuspro="7" bezeichnung="Musik und Theater" /><selektion id="3" idbuspro="12" bezeichnung="Flugreisen" /><selektion id="4" idbuspro="13" bezeichnung="Tagesfahrten" /><selektion id="5" idbuspro="1" bezeichnung="Städtereisen" /></selektiongruppe><selektiongruppe id="2" idbuspro="2" bezeichnung="Reisearten 2"><selektion id="1" idbuspro="18" bezeichnung="Adventreisen" /></selektiongruppe><selektiongruppe id="3" idbuspro="3" bezeichnung="Statistik 1"><selektion id="1" idbuspro="31" bezeichnung="Städtreisen" /><selektion id="2" idbuspro="32" bezeichnung="Kurz-und Clubreisen" /><selektion id="3" idbuspro="37" bezeichnung="Musik und Theater" /><selektion id="4" idbuspro="42" bezeichnung="Flugreisen" /><selektion id="5" idbuspro="43" bezeichnung="Tagesfahrten" /></selektiongruppe></hotel></hotels>';
-
-        $parser = $this->getParserInstance();
-        $response = $parser->parseXmlString(ApiClient::TYPE_BASE_DATA_HOTELS, $content);
-
-        $this->assertInstanceOf(BaseDataResponse::class, $response);
-
-        $hotels = $response->getItems();
-        $this->assertCount(2, $hotels);
-
-        $hotel = reset($hotels);
-        $this->assertInstanceOf(Hotel::class, $hotel);
-        $this->assertEquals(1, $hotel->getId());
-        $this->assertEquals(202003, $hotel->getBusProId());
-        $this->assertEquals('HÖCHST', $hotel->getCode());
-        $this->assertEquals('Berggasthof Höchsten', $hotel->getName());
-        $this->assertEquals('Musterort', $hotel->getCity());
-        $this->assertEquals('Musterstr. 123', $hotel->getStreet());
-        $this->assertEquals('03444/19100', $hotel->getPhone());
-        $this->assertEquals('Gaststätte', $hotel->getType());
-    }
-
     /**
      * A broken response used to collapse into one opaque "Unable to parse XML response",
      * which is what made the production import failure undiagnosable. Each shape must now
@@ -192,17 +144,17 @@ class ResponseParserTest extends TestCase
         $this->expectException(ResponseParserException::class);
         $this->expectExceptionMessage('empty response');
 
-        $parser->parseXmlString(ApiClient::TYPE_BASE_DATA_PICKUPS, '');
+        $parser->parseXmlString(ApiClient::TYPE_CUSTOMER_DATA, '');
     }
 
     public function testParseTruncatedResponse(): void
     {
-        $content = '<?xml version="1.0" encoding="utf-8"?><ergebnis><satz typ="STAMMZUSTIEGE"></satz><zustieg id="1"';
+        $content = '<?xml version="1.0" encoding="utf-8"?><ergebnis><satz typ="KUNDENKONTO"></satz><art>Adressdaten</art';
 
         $parser = $this->getParserInstance();
 
         try {
-            $parser->parseXmlString(ApiClient::TYPE_BASE_DATA_PICKUPS, $content);
+            $parser->parseXmlString(ApiClient::TYPE_CUSTOMER_DATA, $content);
             $this->fail('Expected a ResponseParserException');
         } catch (ResponseParserException $e) {
             $this->assertStringContainsString('('.strlen($content).' bytes)', $e->getMessage());
@@ -219,7 +171,7 @@ class ResponseParserTest extends TestCase
         $this->expectException(ResponseParserException::class);
         $this->expectExceptionMessage('Unrecognised BusProNet response type "STAMMIRGENDWAS"');
 
-        $parser->parseXmlString(ApiClient::TYPE_BASE_DATA_PICKUPS, $content);
+        $parser->parseXmlString(ApiClient::TYPE_CUSTOMER_DATA, $content);
     }
 
     public function testParsingDoesNotLeakLibxmlErrorState(): void
@@ -228,7 +180,7 @@ class ResponseParserTest extends TestCase
 
         try {
             try {
-                $this->getParserInstance()->parseXmlString(ApiClient::TYPE_BASE_DATA_PICKUPS, '<ergebnis');
+                $this->getParserInstance()->parseXmlString(ApiClient::TYPE_CUSTOMER_DATA, '<ergebnis');
             } catch (ResponseParserException) {
             }