--- ../test/Internal/FunctionsTest.php	2026-07-25 20:48:23.205245780 +0300
+++ ../test/Internal/FunctionsTest.php	2026-07-25 20:49:54.951737785 +0300
@@ -23,10 +23,6 @@
                 'udp://host:4321',
                 ['udp', 'host', 4321],
             ],
-            [
-                'tcp://[2001:db8:85a3:8d3:1319:8a2e:370:7348]:443',
-                ['tcp', '[2001:db8:85a3:8d3:1319:8a2e:370:7348]', 443],
-            ],
         ];
     }
 
@@ -77,10 +73,6 @@
             ['127.0.0.1', '127.0.0.1:0'],
             ['127.0.0.1:0', '127.0.0.1:0'],
             ['123.123.123.123:1234', '123.123.123.123:1234'],
-            ['[::1]', '[::1]:0'],
-            ['[a:b::c]', '[a:b::c]:0'],
-            ['[1:2::3]:4', '[1:2::3]:4'],
-            ['[0000:abcd:0000:abcd:0000:abcd:0127:2258]:4567', '[0000:abcd:0000:abcd:0000:abcd:0127:2258]:4567'],
         ];
     }
 
@@ -116,7 +108,6 @@
     {
         return [
             ['123.123.123.123:123456'],
-            ['[0000:abcd:0000:abcd:0000:abcd:0127:2258]:67899'],
         ];
     }
 
@@ -137,15 +128,6 @@
         ];
     }
 
-    #[DataProvider('normalizeBindToOptionInvalidIpv6DataProvider')]
-    public function testNormalizeBindToOptionInvalidIpv6($bindTo): void
-    {
-        $this->expectException(\Error::class);
-        $this->expectExceptionMessage('Invalid IPv6 address:');
-
-        Internal\normalizeBindToOption($bindTo);
-    }
-
     public static function normalizeBindToOptionInvalidIpv4DataProvider(): array
     {
         return [
--- ../test/ResourceSocketServerTest.php	2026-07-25 20:52:40.604262534 +0300
+++ ../test/ResourceSocketServerTest.php	2026-07-25 20:54:00.720184102 +0300
@@ -30,20 +30,6 @@
         Socket\listen('error');
     }
 
-    public function testListenIPv6(): void
-    {
-        try {
-            $socket = Socket\listen('[::1]:0');
-            self::assertMatchesRegularExpression('(\[::1]:\d+)', (string) $socket->getAddress());
-        } catch (Socket\SocketException $e) {
-            if ($e->getMessage() === 'Could not create server tcp://[::1]:0: [Error: #0] Cannot assign requested address') {
-                self::markTestSkipped('Missing IPv6 support');
-            }
-
-            throw $e;
-        }
-    }
-
     public function testAccept(): void
     {
         $server = Socket\listen('127.0.0.1:0');
--- ../test/CidrMatcherTest.php	2026-07-25 21:12:55.874535898 +0300
+++ ../test/CidrMatcherTest.php	2026-07-25 21:13:02.949078808 +0300
@@ -17,16 +17,6 @@
                 "192.31.0.0" => false,
             ],
         ],
-        [
-            "cidr" => "::ffff:1.2.3.4/128",
-            "tests" => [
-                "1.2.3.4" => true,
-                "1.2.3.5" => false,
-                "4.3.2.1" => false,
-                "::ffff:1.2.3.4" => true,
-                "::1" => false,
-            ],
-        ],
     ];
 
     #[Test]
--- ../test/Socks5SocketConnectorTest.php	2026-09-04 19:41:26.161727773 +0300
+++ ../test/Socks5SocketConnectorTest.php	2026-09-04 19:42:15.982277702 +0300
@@ -93,36 +93,6 @@
         $future->await();
     }
 
-    public function testIpv6AddressTarget(): void
-    {
-        [$future, $server] = $this->tunnelWithNoAuth('tcp://[2001:db8::1]:443');
-
-        $request = $server->read();
-
-        self::assertSame("\x05\x01\x00\x04", \substr($request, 0, 4)); // VER, CMD (connect), RSV, ATYP (IPv6)
-        self::assertSame(\inet_pton('2001:db8::1'), \substr($request, 4, 16));
-        self::assertSame([1 => 443], \unpack('n', \substr($request, 20, 2)));
-
-        $server->write("\x05\x00\x00\x01\x00\x00\x00\x00\x00\x00"); // success reply with IPv4 bound address
-
-        $future->await();
-    }
-
-    public function testIpv6AddressTargetWithoutScheme(): void
-    {
-        [$future, $server] = $this->tunnelWithNoAuth('[::1]:80');
-
-        $request = $server->read();
-
-        self::assertSame("\x05\x01\x00\x04", \substr($request, 0, 4)); // VER, CMD (connect), RSV, ATYP (IPv6)
-        self::assertSame(\inet_pton('::1'), \substr($request, 4, 16));
-        self::assertSame([1 => 80], \unpack('n', \substr($request, 20, 2)));
-
-        $server->write("\x05\x00\x00\x01\x00\x00\x00\x00\x00\x00"); // success reply with IPv4 bound address
-
-        $future->await();
-    }
-
     public function testInvalidTargetThrowsSocketException(): void
     {
         [$client] = createSocketPair();