diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c6c9f3a..3c06e158 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Telegram Bot API for PHP Change Log
 
+## 0.18.2 under construction
+
+- Enh #194: Remove deprecated `curl_close()` call in `CurlTransport`.
+
 ## 0.18.1 April 5, 2026
 
 - Bug #192: Add missed `certificate` parameter to `SetWebhook` method.
diff --git a/composer.json b/composer.json
index 84a9a216..f2d901d6 100644
--- a/composer.json
+++ b/composer.json
@@ -77,7 +77,7 @@
         "infection": "infection --threads=max",
         "psalm": "psalm",
         "rector": "rector",
-        "test": "phpunit",
+        "test": "phpunit --display-deprecations",
         "test-real": "phpunit --group=realApi"
     }
 }
diff --git a/src/Curl/Curl.php b/src/Curl/Curl.php
index ab03f25b..db02ae57 100644
--- a/src/Curl/Curl.php
+++ b/src/Curl/Curl.php
@@ -7,7 +7,6 @@
 use CurlHandle;
 use CurlShareHandle;
 
-use function curl_close;
 use function curl_errno;
 use function curl_error;
 use function curl_exec;
@@ -21,11 +20,6 @@
  */
 final class Curl implements CurlInterface
 {
-    public function close(CurlHandle $handle): void
-    {
-        curl_close($handle);
-    }
-
     public function exec(CurlHandle $handle): ?string
     {
         $result = curl_exec($handle);
diff --git a/src/Curl/CurlInterface.php b/src/Curl/CurlInterface.php
index 995f0d42..88db64f9 100644
--- a/src/Curl/CurlInterface.php
+++ b/src/Curl/CurlInterface.php
@@ -12,8 +12,6 @@
  */
 interface CurlInterface
 {
-    public function close(CurlHandle $handle): void;
-
     /**
      * @throws CurlException
      */
diff --git a/src/Transport/CurlTransport.php b/src/Transport/CurlTransport.php
index 9eb93c0f..b95bfeaf 100644
--- a/src/Transport/CurlTransport.php
+++ b/src/Transport/CurlTransport.php
@@ -101,8 +101,6 @@ public function downloadFile(string $url): mixed
             $this->curl->exec($curl);
         } catch (CurlException $exception) {
             throw new DownloadFileException($exception->getMessage(), previous: $exception);
-        } finally {
-            $this->curl->close($curl);
         }
 
         rewind($stream);
@@ -117,20 +115,16 @@ private function send(array $options): ApiResponse
 
         $curl = $this->curl->init();
 
-        try {
-            $this->curl->setopt_array($curl, $options);
+        $this->curl->setopt_array($curl, $options);
+
+        /**
+         * @var string $body `curl_exec` returns string because `CURLOPT_RETURNTRANSFER` is set to `true`.
+         */
+        $body = $this->curl->exec($curl);
 
-            /**
-             * @var string $body `curl_exec` returns string because `CURLOPT_RETURNTRANSFER` is set to `true`.
-             */
-            $body = $this->curl->exec($curl);
-
-            $statusCode = $this->curl->getinfo($curl, CURLINFO_HTTP_CODE);
-            if (!is_int($statusCode)) {
-                $statusCode = 0;
-            }
-        } finally {
-            $this->curl->close($curl);
+        $statusCode = $this->curl->getinfo($curl, CURLINFO_HTTP_CODE);
+        if (!is_int($statusCode)) {
+            $statusCode = 0;
         }
 
         return new ApiResponse($statusCode, $body);
diff --git a/tests/Curl/CurlMock.php b/tests/Curl/CurlMock.php
index 719817ae..9fc58f1f 100644
--- a/tests/Curl/CurlMock.php
+++ b/tests/Curl/CurlMock.php
@@ -16,7 +16,6 @@ final class CurlMock implements CurlInterface
 {
     private ?array $options = null;
     private array $shareOptions = [];
-    private int $countCallOfClose = 0;
 
     public function __construct(
         private readonly string|Throwable $execResult = '',
@@ -24,11 +23,6 @@ public function __construct(
         private readonly ?Throwable $initException = null,
     ) {}
 
-    public function close(CurlHandle $handle): void
-    {
-        $this->countCallOfClose++;
-    }
-
     public function exec(CurlHandle $handle): string
     {
         if ($this->execResult instanceof Throwable) {
@@ -74,9 +68,4 @@ public function getShareOptions(): array
     {
         return $this->shareOptions;
     }
-
-    public function getCountCallOfClose(): int
-    {
-        return $this->countCallOfClose;
-    }
 }
diff --git a/tests/Transport/CurlTransport/CurlTransportDownloadFileTest.php b/tests/Transport/CurlTransport/CurlTransportDownloadFileTest.php
index 2ac683d2..990d5eba 100644
--- a/tests/Transport/CurlTransport/CurlTransportDownloadFileTest.php
+++ b/tests/Transport/CurlTransport/CurlTransportDownloadFileTest.php
@@ -6,7 +6,6 @@
 
 use CurlShareHandle;
 use PHPUnit\Framework\TestCase;
-use RuntimeException;
 use Throwable;
 use Phptg\BotApi\Curl\CurlException;
 use Phptg\BotApi\Tests\Curl\CurlMock;
@@ -71,17 +70,4 @@ public function testExecException(): void
         assertSame('test', $exception->getMessage());
         assertSame($execException, $exception->getPrevious());
     }
-
-    public function testCloseOnException(): void
-    {
-        $curl = new CurlMock(new RuntimeException());
-        $transport = new CurlTransport(curl: $curl);
-
-        try {
-            $transport->downloadFile('https://example.test/hello.jpg');
-        } catch (Throwable) {
-        }
-
-        assertSame(1, $curl->getCountCallOfClose());
-    }
 }
diff --git a/tests/Transport/CurlTransport/CurlTransportTest.php b/tests/Transport/CurlTransport/CurlTransportTest.php
index 0d7b6873..8a9db0be 100644
--- a/tests/Transport/CurlTransport/CurlTransportTest.php
+++ b/tests/Transport/CurlTransport/CurlTransportTest.php
@@ -7,8 +7,6 @@
 use CurlShareHandle;
 use CURLStringFile;
 use PHPUnit\Framework\TestCase;
-use RuntimeException;
-use Throwable;
 use Phptg\BotApi\Tests\Curl\CurlMock;
 use Phptg\BotApi\Transport\CurlTransport;
 use Phptg\BotApi\Type\InputFile;
@@ -158,19 +156,6 @@ public function testSeekableResource(): void
         );
     }
 
-    public function testCloseOnException(): void
-    {
-        $curl = new CurlMock(new RuntimeException());
-        $transport = new CurlTransport(curl: $curl);
-
-        try {
-            $transport->get('getMe');
-        } catch (Throwable) {
-        }
-
-        assertSame(1, $curl->getCountCallOfClose());
-    }
-
     public function testShareOptions(): void
     {
         $curl = new CurlMock(