diff --git a/.env.example b/.env.example
index c28ab4eec..95fc1dfb5 100644
--- a/.env.example
+++ b/.env.example
@@ -21,12 +21,6 @@ DB_DATABASE="biigle"
 DB_USERNAME="biigle"
 DB_PASSWORD="secret"
 
-VECTOR_DB_HOST="vector_database"
-VECTOR_DB_PORT=5432
-VECTOR_DB_DATABASE="biigle"
-VECTOR_DB_USERNAME="biigle"
-VECTOR_DB_PASSWORD="secret"
-
 VOLUME_ADMIN_STORAGE_DISKS=local
 
 BROADCAST_DRIVER=pusher
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 186e9b977..20158218a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,7 +37,6 @@ jobs:
     - name: Start test database
       run: |
         docker-compose up -d --no-build database_testing
-        docker-compose up -d --no-build vector_database_testing
         sleep 5
 
     - name: Run tests
@@ -80,7 +79,6 @@ jobs:
     - name: Start test database
       run: |
         docker-compose up -d --no-build database_testing
-        docker-compose up -d --no-build vector_database_testing
         sleep 5
 
     - name: Run tests
diff --git a/config/database.php b/config/database.php
index b3a9e5583..90ce98207 100644
--- a/config/database.php
+++ b/config/database.php
@@ -78,21 +78,6 @@
             'sslmode' => 'prefer',
         ],
 
-        'pgvector' => [
-            'driver' => 'pgsql',
-            'url' => env('VECTOR_DATABASE_URL'),
-            'host' => env('VECTOR_DB_HOST', 'localhost'),
-            'port' => env('VECTOR_DB_PORT', '5432'),
-            'database' => env('VECTOR_DB_DATABASE', 'forge'),
-            'username' => env('VECTOR_DB_USERNAME', 'forge'),
-            'password' => env('VECTOR_DB_PASSWORD', ''),
-            'charset' => 'utf8',
-            'prefix' => '',
-            'prefix_indexes' => true,
-            'search_path' => 'public',
-            'sslmode' => 'prefer',
-        ],
-
         'sqlsrv' => [
             'driver' => 'sqlsrv',
             'url' => env('DATABASE_URL'),
diff --git a/database/migrations/2022_08_03_000000_create_vector_extension.php b/database/migrations/2022_08_03_000000_create_vector_extension.php
index a81ef7679..e785a2415 100644
--- a/database/migrations/2022_08_03_000000_create_vector_extension.php
+++ b/database/migrations/2022_08_03_000000_create_vector_extension.php
@@ -11,7 +11,14 @@
      */
     public function up()
     {
-        DB::connection('pgvector')->statement('CREATE EXTENSION IF NOT EXISTS vector');
+        // The pgvector connection was removed later so it may not always be present.
+        // There is a second migration that enables pgvector for the default connection.
+        // See: https://github.com/biigle/maia/pull/150
+        if (!is_null(config('database.connections-pgvector'))) {
+            DB::connection('pgvector')
+                ->statement('CREATE EXTENSION IF NOT EXISTS vector');
+
+        }
     }
 
     /**
@@ -21,6 +28,10 @@ public function up()
      */
     public function down()
     {
-        DB::connection('pgvector')->statement('DROP EXTENSION IF EXISTS vector');
+        if (!is_null(config('database.connections-pgvector'))) {
+            DB::connection('pgvector')
+                ->statement('DROP EXTENSION IF NOT EXISTS vector');
+
+        }
     }
 };
diff --git a/database/migrations/2023_12_12_150300_create_vector_extension.php b/database/migrations/2023_12_12_150300_create_vector_extension.php
new file mode 100644
index 000000000..b53387f08
--- /dev/null
+++ b/database/migrations/2023_12_12_150300_create_vector_extension.php
@@ -0,0 +1,26 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        DB::statement('CREATE EXTENSION IF NOT EXISTS vector');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        DB::statement('DROP EXTENSION IF NOT EXISTS vector');
+    }
+};
diff --git a/docker-compose.yml b/docker-compose.yml
index 9b7ca2cd2..c4aaae6f5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,7 +22,6 @@ services:
     depends_on:
       - app
       - database_testing
-      - vector_database_testing
     build:
       context: ./
       dockerfile: .docker/worker.dockerfile
@@ -66,7 +65,7 @@ services:
 
   # The database
   database:
-    image: postgres:14-alpine
+    image: ghcr.io/biigle/pgvector
     volumes:
       - dbdata:/var/lib/postgresql/data
       - ./:/data
@@ -77,28 +76,7 @@ services:
     ports:
       - "54320:5432"
 
-  vector_database:
-    image: ghcr.io/biigle/pgvector
-    volumes:
-      - vecdbdata:/var/lib/postgresql/data
-      - ./:/data
-    environment:
-      - "POSTGRES_DB=biigle"
-      - "POSTGRES_USER=biigle"
-      - "POSTGRES_PASSWORD=secret"
-    ports:
-      - "54321:5432"
-
   database_testing:
-    image: postgres:14-alpine
-    tmpfs:
-      - /var/lib/postgresql/data
-    environment:
-      - "POSTGRES_DB=biigle"
-      - "POSTGRES_USER=biigle"
-      - "POSTGRES_PASSWORD=secret"
-
-  vector_database_testing:
     image: ghcr.io/biigle/pgvector
     tmpfs:
       - /var/lib/postgresql/data
@@ -109,5 +87,3 @@ services:
 
 volumes:
   dbdata:
-  vecdbdata:
-
diff --git a/phpunit.xml b/phpunit.xml
index c76f72bbd..2b47f3e9e 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -29,9 +29,5 @@
         <env name="DB_DATABASE" value="biigle"/>
         <env name="DB_USERNAME" value="biigle"/>
         <env name="DB_PASSWORD" value="secret"/>
-        <env name="VECTOR_DB_HOST" value="vector_database_testing"/>
-        <env name="VECTOR_DB_DATABASE" value="biigle"/>
-        <env name="VECTOR_DB_USERNAME" value="biigle"/>
-        <env name="VECTOR_DB_PASSWORD" value="secret"/>
     </php>
 </phpunit>
diff --git a/tests/TestCase.php b/tests/TestCase.php
index ca99c5317..dd25deb8c 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -2,7 +2,6 @@
 
 use Biigle\Tests\CreatesApplication;
 use Illuminate\Foundation\Testing\RefreshDatabase;
-use Illuminate\Foundation\Testing\RefreshDatabaseState;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 use Illuminate\Support\Facades\Queue;
 use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
@@ -10,20 +9,10 @@
 class TestCase extends BaseTestCase
 {
     use CreatesApplication, MockeryPHPUnitIntegration, RefreshDatabase;
-    use RefreshDatabase {
-        refreshTestDatabase as protected originalRefreshTestDatabase;
-    }
 
     public static $cachedPdo;
-    public static $cachedVectorPdo;
-
     protected $baseUrl = 'http://localhost';
 
-    protected $connectionsToTransact = [
-        'pgsql',
-        'pgvector',
-    ];
-
     /**
      * Default preparation for each test.
      */
@@ -54,21 +43,5 @@ protected function beforeRefreshingDatabase()
         } else {
             static::$cachedPdo = DB::getPdo();
         }
-
-        if (static::$cachedVectorPdo) {
-            DB::connection('pgvector')->setPdo(static::$cachedVectorPdo);
-        } else {
-            static::$cachedVectorPdo = DB::connection('pgvector')->getPdo();
-        }
-    }
-
-    // Custom implementation to wipe the vector database, too.
-    protected function refreshTestDatabase()
-    {
-        if (!RefreshDatabaseState::$migrated) {
-            $this->artisan('db:wipe', ['--database' => 'pgvector']);
-        }
-
-        $this->originalRefreshTestDatabase();
     }
 }