diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 6225237cff1..616ca0c795c 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -277,8 +277,7 @@ jobs:
         php-version:
           - "8.1"
         mariadb-version:
-          - "10.2"  # Oldest version supported by DBAL
-          - "10.4"  # LTS (Jun 2024)
+          - "10.4"  # Oldest version supported by DBAL, LTS (Jun 2024)
           - "10.5"  # LTS (Jun 2025)
           - "10.6"  # LTS (Jul 2026)
           - "10.9"  # STS (Aug 2023)
diff --git a/UPGRADE.md b/UPGRADE.md
index 1e53bde0f59..2ea323e3891 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -400,11 +400,12 @@ The `Doctrine\DBAL\Schema\Visitor\Graphviz` class has been removed.
 
 Oracle 12c (12.2.0.1) and older are not supported anymore.
 
-## BC BREAK: Removed support for MariaDB 10.2.6 and older
+## BC BREAK: Removed support for MariaDB 10.4.2 and older
 
-MariaDB 10.2.6 and older are not supported anymore. The following classes have been removed:
+MariaDB 10.4.2 and older are not supported anymore. The following classes have been removed:
 
 * `Doctrine\DBAL\Platforms\MariaDb1027Platform`
+* `Doctrine\DBAL\Platforms\MariaDB1043Platform`
 * `Doctrine\DBAL\Platforms\Keywords\MariaDb102Keywords`
 
 ## BC BREAK: Removed support for MySQL 5.6 and older
diff --git a/docs/en/reference/platforms.rst b/docs/en/reference/platforms.rst
index b7d3bc7a0a3..1cc1f6dfee4 100644
--- a/docs/en/reference/platforms.rst
+++ b/docs/en/reference/platforms.rst
@@ -39,7 +39,8 @@ MySQL
 MariaDB
 ^^^^^
 
--  ``MariaDBPlatform`` for version 10.2 (10.2.7 GA) and above.
+-  ``MariaDBPlatform`` for version 10.4 (10.4.3 GA) and above.
+-  ``MariaDB1052Platform`` for version 10.5 (10.5.2 GA) and above.
 
 Oracle
 ^^^^^^
diff --git a/psalm.xml.dist b/psalm.xml.dist
index e0fe6953c6c..b8299e81ca1 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -42,11 +42,6 @@
                 <file name="src/Driver/OCI8/ConvertPositionalToNamedPlaceholders.php"/>
             </errorLevel>
         </ConflictingReferenceConstraint>
-        <DeprecatedClass>
-            <errorLevel type="suppress">
-                <referencedClass name="Doctrine\DBAL\Platforms\MariaDB1043Platform"/>
-            </errorLevel>
-        </DeprecatedClass>
         <DeprecatedMethod>
             <errorLevel type="suppress">
                 <!-- TODO for PHPUnit 10 -->
diff --git a/src/Driver/AbstractMySQLDriver.php b/src/Driver/AbstractMySQLDriver.php
index c48937c00d1..ce58f9aa36b 100644
--- a/src/Driver/AbstractMySQLDriver.php
+++ b/src/Driver/AbstractMySQLDriver.php
@@ -8,7 +8,6 @@
 use Doctrine\DBAL\Driver\API\MySQL\ExceptionConverter;
 use Doctrine\DBAL\Platforms\AbstractMySQLPlatform;
 use Doctrine\DBAL\Platforms\Exception\InvalidPlatformVersion;
-use Doctrine\DBAL\Platforms\MariaDB1043Platform;
 use Doctrine\DBAL\Platforms\MariaDB1052Platform;
 use Doctrine\DBAL\Platforms\MariaDBPlatform;
 use Doctrine\DBAL\Platforms\MySQL80Platform;
@@ -38,10 +37,6 @@ public function getDatabasePlatform(ServerVersionProvider $versionProvider): Abs
                 return new MariaDB1052Platform();
             }
 
-            if (version_compare($mariaDbVersion, '10.4.3', '>=')) {
-                return new MariaDB1043Platform();
-            }
-
             return new MariaDBPlatform();
         }
 
diff --git a/src/Platforms/MariaDB1043Platform.php b/src/Platforms/MariaDB1043Platform.php
deleted file mode 100644
index 428de788f4c..00000000000
--- a/src/Platforms/MariaDB1043Platform.php
+++ /dev/null
@@ -1,80 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Platforms;
-
-use Doctrine\DBAL\Types\JsonType;
-
-/**
- * Provides the behavior, features and SQL dialect of the MariaDB 10.4 (10.4.6 GA) database platform.
- *
- * Extend deprecated MariaDb1027Platform to ensure correct functions used in MySQLSchemaManager which
- * tests for MariaDb1027Platform not MariaDBPlatform.
- *
- * @deprecated This class will be merged with {@see MariaDBPlatform} in 4.0 because support for MariaDB
- *             releases prior to 10.4.3 will be dropped.
- */
-class MariaDB1043Platform extends MariaDBPlatform
-{
-    /**
-     * Use JSON rather than LONGTEXT for json columns. Since it is not a true native type, do not override
-     * hasNativeJsonType() so the DC2Type comment will still be set.
-     *
-     * {@inheritDoc}
-     */
-    public function getJsonTypeDeclarationSQL(array $column): string
-    {
-        return 'JSON';
-    }
-
-    /**
-     * Generate SQL snippets to reverse the aliasing of JSON to LONGTEXT.
-     *
-     * MariaDb aliases columns specified as JSON to LONGTEXT and sets a CHECK constraint to ensure the column
-     * is valid json. This function generates the SQL snippets which reverse this aliasing i.e. report a column
-     * as JSON where it was originally specified as such instead of LONGTEXT.
-     *
-     * The CHECK constraints are stored in information_schema.CHECK_CONSTRAINTS so JOIN that table.
-     *
-     * @return array{string, string}
-     */
-    public function getColumnTypeSQLSnippets(string $tableAlias = 'c'): array
-    {
-        if ($this->getJsonTypeDeclarationSQL([]) !== 'JSON') {
-            return parent::getColumnTypeSQLSnippets($tableAlias);
-        }
-
-        $columnTypeSQL = <<<SQL
-            IF(
-                x.CHECK_CLAUSE IS NOT NULL AND $tableAlias.COLUMN_TYPE = 'longtext',
-                'json',
-                $tableAlias.COLUMN_TYPE
-            )
-        SQL;
-
-        $joinCheckConstraintSQL = <<<SQL
-        LEFT JOIN information_schema.CHECK_CONSTRAINTS x
-            ON (
-                $tableAlias.TABLE_SCHEMA = x.CONSTRAINT_SCHEMA
-                AND $tableAlias.TABLE_NAME = x.TABLE_NAME
-                AND x.CHECK_CLAUSE = CONCAT('json_valid(`', $tableAlias.COLUMN_NAME , '`)')
-            )
-        SQL;
-
-        return [$columnTypeSQL, $joinCheckConstraintSQL];
-    }
-
-    /** {@inheritDoc} */
-    public function getColumnDeclarationSQL(string $name, array $column): string
-    {
-        // MariaDb forces column collation to utf8mb4_bin where the column was declared as JSON so ignore
-        // collation and character set for json columns as attempting to set them can cause an error.
-        if ($this->getJsonTypeDeclarationSQL([]) === 'JSON' && ($column['type'] ?? null) instanceof JsonType) {
-            unset($column['collation']);
-            unset($column['charset']);
-        }
-
-        return parent::getColumnDeclarationSQL($name, $column);
-    }
-}
diff --git a/src/Platforms/MariaDB1052Platform.php b/src/Platforms/MariaDB1052Platform.php
index 47abe122ead..2489637566d 100644
--- a/src/Platforms/MariaDB1052Platform.php
+++ b/src/Platforms/MariaDB1052Platform.php
@@ -12,7 +12,7 @@
  *
  * Note: Should not be used with versions prior to 10.5.2.
  */
-class MariaDB1052Platform extends MariaDB1043Platform
+class MariaDB1052Platform extends MariaDBPlatform
 {
     /**
      * {@inheritDoc}
diff --git a/src/Platforms/MariaDBPlatform.php b/src/Platforms/MariaDBPlatform.php
index 2c5b092171d..570d0e360db 100644
--- a/src/Platforms/MariaDBPlatform.php
+++ b/src/Platforms/MariaDBPlatform.php
@@ -8,6 +8,7 @@
 use Doctrine\DBAL\Platforms\Keywords\MariaDBKeywords;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\TableDiff;
+use Doctrine\DBAL\Types\JsonType;
 
 use function array_diff_key;
 use function array_merge;
@@ -20,13 +21,53 @@
 class MariaDBPlatform extends AbstractMySQLPlatform
 {
     /**
-     * {@inheritDoc}
+     * Use JSON rather than LONGTEXT for json columns. Since it is not a true native type, do not override
+     * hasNativeJsonType() so the DC2Type comment will still be set.
      *
      * @link https://mariadb.com/kb/en/library/json-data-type/
+     *
+     * {@inheritDoc}
      */
     public function getJsonTypeDeclarationSQL(array $column): string
     {
-        return 'LONGTEXT';
+        return 'JSON';
+    }
+
+    /**
+     * Generate SQL snippets to reverse the aliasing of JSON to LONGTEXT.
+     *
+     * MariaDb aliases columns specified as JSON to LONGTEXT and sets a CHECK constraint to ensure the column
+     * is valid json. This function generates the SQL snippets which reverse this aliasing i.e. report a column
+     * as JSON where it was originally specified as such instead of LONGTEXT.
+     *
+     * The CHECK constraints are stored in information_schema.CHECK_CONSTRAINTS so JOIN that table.
+     *
+     * @return array{string, string}
+     */
+    public function getColumnTypeSQLSnippets(string $tableAlias = 'c'): array
+    {
+        if ($this->getJsonTypeDeclarationSQL([]) !== 'JSON') {
+            return parent::getColumnTypeSQLSnippets($tableAlias);
+        }
+
+        $columnTypeSQL = <<<SQL
+            IF(
+                x.CHECK_CLAUSE IS NOT NULL AND $tableAlias.COLUMN_TYPE = 'longtext',
+                'json',
+                $tableAlias.COLUMN_TYPE
+            )
+        SQL;
+
+        $joinCheckConstraintSQL = <<<SQL
+        LEFT JOIN information_schema.CHECK_CONSTRAINTS x
+            ON (
+                $tableAlias.TABLE_SCHEMA = x.CONSTRAINT_SCHEMA
+                AND $tableAlias.TABLE_NAME = x.TABLE_NAME
+                AND x.CHECK_CLAUSE = CONCAT('json_valid(`', $tableAlias.COLUMN_NAME , '`)')
+            )
+        SQL;
+
+        return [$columnTypeSQL, $joinCheckConstraintSQL];
     }
 
     /**
@@ -119,6 +160,19 @@ private function getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableD
         return $foreignKeys;
     }
 
+    /** {@inheritDoc} */
+    public function getColumnDeclarationSQL(string $name, array $column): string
+    {
+        // MariaDb forces column collation to utf8mb4_bin where the column was declared as JSON so ignore
+        // collation and character set for json columns as attempting to set them can cause an error.
+        if ($this->getJsonTypeDeclarationSQL([]) === 'JSON' && ($column['type'] ?? null) instanceof JsonType) {
+            unset($column['collation']);
+            unset($column['charset']);
+        }
+
+        return parent::getColumnDeclarationSQL($name, $column);
+    }
+
     protected function createReservedKeywordsList(): KeywordList
     {
         return new MariaDBKeywords();
diff --git a/tests/Functional/Schema/MySQL/ComparatorTest.php b/tests/Functional/Schema/MySQL/ComparatorTest.php
index 95939630c3c..e621ba0aafc 100644
--- a/tests/Functional/Schema/MySQL/ComparatorTest.php
+++ b/tests/Functional/Schema/MySQL/ComparatorTest.php
@@ -7,7 +7,7 @@
 use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\AbstractMySQLPlatform;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Platforms\MariaDB1043Platform;
+use Doctrine\DBAL\Platforms\MariaDBPlatform;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Comparator;
@@ -177,7 +177,7 @@ public static function tableAndColumnOptionsProvider(): iterable
 
     public function testMariaDb1043NativeJsonUpgradeDetected(): void
     {
-        if (! $this->platform instanceof MariaDB1043Platform) {
+        if (! $this->platform instanceof MariaDBPlatform) {
             self::markTestSkipped();
         }
 
diff --git a/tests/Functional/Schema/MySQL/JsonCollationTest.php b/tests/Functional/Schema/MySQL/JsonCollationTest.php
index c9d8d9188b6..2bf25eea0dc 100644
--- a/tests/Functional/Schema/MySQL/JsonCollationTest.php
+++ b/tests/Functional/Schema/MySQL/JsonCollationTest.php
@@ -5,7 +5,7 @@
 namespace Doctrine\DBAL\Tests\Functional\Schema\MySQL;
 
 use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Platforms\MariaDB1043Platform;
+use Doctrine\DBAL\Platforms\MariaDBPlatform;
 use Doctrine\DBAL\Schema\AbstractSchemaManager;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\Table;
@@ -31,7 +31,7 @@ protected function setUp(): void
     {
         $this->platform = $this->connection->getDatabasePlatform();
 
-        if (! $this->platform instanceof MariaDB1043Platform) {
+        if (! $this->platform instanceof MariaDBPlatform) {
             self::markTestSkipped();
         }
 
diff --git a/tests/Platforms/MariaDB1043PlatformTest.php b/tests/Platforms/MariaDB1043PlatformTest.php
deleted file mode 100644
index 81320272f60..00000000000
--- a/tests/Platforms/MariaDB1043PlatformTest.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Doctrine\DBAL\Tests\Platforms;
-
-use Doctrine\DBAL\Platforms\AbstractPlatform;
-use Doctrine\DBAL\Platforms\MariaDB1043Platform;
-use Doctrine\DBAL\Types\Types;
-
-class MariaDB1043PlatformTest extends AbstractMySQLPlatformTestCase
-{
-    public function createPlatform(): AbstractPlatform
-    {
-        return new MariaDB1043Platform();
-    }
-
-    /**
-     * From MariaDB 10.2.7, JSON type is an alias to LONGTEXT however from 10.4.3 setting a column
-     * as JSON adds additional functionality so use JSON.
-     *
-     * @link https://mariadb.com/kb/en/library/json-data-type/
-     */
-    public function testReturnsJsonTypeDeclarationSQL(): void
-    {
-        self::assertSame('JSON', $this->platform->getJsonTypeDeclarationSQL([]));
-    }
-
-    public function testInitializesJsonTypeMapping(): void
-    {
-        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('json'));
-        self::assertSame(Types::JSON, $this->platform->getDoctrineTypeMapping('json'));
-    }
-
-    public function testIgnoresDifferenceInDefaultValuesForUnsupportedColumnTypes(): void
-    {
-        self::markTestSkipped('MariaDb1043Platform supports default values for BLOB and TEXT columns');
-    }
-}
diff --git a/tests/Platforms/MariaDB1052PlatformTest.php b/tests/Platforms/MariaDB1052PlatformTest.php
index 0e9f10dab19..2fd0d73a90c 100644
--- a/tests/Platforms/MariaDB1052PlatformTest.php
+++ b/tests/Platforms/MariaDB1052PlatformTest.php
@@ -7,7 +7,7 @@
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\MariaDB1052Platform;
 
-class MariaDB1052PlatformTest extends MariaDB1043PlatformTest
+class MariaDB1052PlatformTest extends MariaDBPlatformTest
 {
     public function createPlatform(): AbstractPlatform
     {
diff --git a/tests/Platforms/MariaDBPlatformTest.php b/tests/Platforms/MariaDBPlatformTest.php
index 1df589c14cc..de46ba2bacc 100644
--- a/tests/Platforms/MariaDBPlatformTest.php
+++ b/tests/Platforms/MariaDBPlatformTest.php
@@ -16,13 +16,14 @@ public function createPlatform(): AbstractPlatform
     }
 
     /**
-     * From MariaDB 10.2.7, JSON type is an alias to LONGTEXT
+     * From MariaDB 10.2.7, JSON type is an alias to LONGTEXT however from 10.4.3 setting a column
+     * as JSON adds additional functionality so use JSON.
      *
      * @link https://mariadb.com/kb/en/library/json-data-type/
      */
     public function testReturnsJsonTypeDeclarationSQL(): void
     {
-        self::assertSame('LONGTEXT', $this->platform->getJsonTypeDeclarationSQL([]));
+        self::assertSame('JSON', $this->platform->getJsonTypeDeclarationSQL([]));
     }
 
     public function testInitializesJsonTypeMapping(): void
diff --git a/tests/Platforms/MySQL/MariaDBJsonComparatorTest.php b/tests/Platforms/MySQL/MariaDBJsonComparatorTest.php
index d9271beaea4..274edf99492 100644
--- a/tests/Platforms/MySQL/MariaDBJsonComparatorTest.php
+++ b/tests/Platforms/MySQL/MariaDBJsonComparatorTest.php
@@ -4,7 +4,7 @@
 
 namespace Doctrine\DBAL\Tests\Platforms\MySQL;
 
-use Doctrine\DBAL\Platforms\MariaDB1043Platform;
+use Doctrine\DBAL\Platforms\MariaDBPlatform;
 use Doctrine\DBAL\Platforms\MySQL\CharsetMetadataProvider;
 use Doctrine\DBAL\Platforms\MySQL\CollationMetadataProvider;
 use Doctrine\DBAL\Platforms\MySQL\Comparator;
@@ -25,7 +25,7 @@ class MariaDBJsonComparatorTest extends TestCase
     protected function setUp(): void
     {
         $this->comparator = new Comparator(
-            new MariaDB1043Platform(),
+            new MariaDBPlatform(),
             new class implements CharsetMetadataProvider {
                 public function getDefaultCharsetCollation(string $charset): ?string
                 {