diff --git a/UPGRADE.md b/UPGRADE.md
index e5e03aac1f3..74d2ad995a6 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1,5 +1,9 @@
 # Upgrade to 3.0
 
+## BC BREAK `::errorCode()` and `::errorInfo()` removed from `Connection` and `Statement` APIs
+
+The error information is available in `DriverException` trown in case of an error.
+
 ## BC BREAK Changes in driver exceptions
 
 1. The `Doctrine\DBAL\Driver\DriverException::getErrorCode()` method is removed. In order to obtain the driver error code, please use `::getCode()`.
diff --git a/lib/Doctrine/DBAL/Connection.php b/lib/Doctrine/DBAL/Connection.php
index 1057ea9bb98..10b02c90ea7 100644
--- a/lib/Doctrine/DBAL/Connection.php
+++ b/lib/Doctrine/DBAL/Connection.php
@@ -1067,24 +1067,6 @@ public function getTransactionNestingLevel()
         return $this->transactionNestingLevel;
     }
 
-    /**
-     * Fetches the SQLSTATE associated with the last database operation.
-     *
-     * @return string|null The last error code.
-     */
-    public function errorCode()
-    {
-        return $this->getWrappedConnection()->errorCode();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function errorInfo()
-    {
-        return $this->getWrappedConnection()->errorInfo();
-    }
-
     /**
      * Returns the ID of the last inserted row, or the last value from a sequence object,
      * depending on the underlying driver.
diff --git a/lib/Doctrine/DBAL/Driver/Connection.php b/lib/Doctrine/DBAL/Driver/Connection.php
index acae0b66f9a..8ee150ec4f7 100644
--- a/lib/Doctrine/DBAL/Driver/Connection.php
+++ b/lib/Doctrine/DBAL/Driver/Connection.php
@@ -67,18 +67,4 @@ public function commit() : void;
      * @throws DriverException
      */
     public function rollBack() : void;
-
-    /**
-     * Returns the error code associated with the last operation on the database handle.
-     *
-     * @return string|null The error code, or null if no operation has been run on the database handle.
-     */
-    public function errorCode();
-
-    /**
-     * Returns extended error information associated with the last operation on the database handle.
-     *
-     * @return mixed[]
-     */
-    public function errorInfo();
 }
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
index 9763a627c14..c5a41d335b3 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php
@@ -13,8 +13,6 @@
 use const DB2_AUTOCOMMIT_ON;
 use function db2_autocommit;
 use function db2_commit;
-use function db2_conn_error;
-use function db2_conn_errormsg;
 use function db2_connect;
 use function db2_escape_string;
 use function db2_exec;
@@ -165,23 +163,4 @@ public function rollBack() : void
             throw DB2Exception::fromConnectionError($this->conn);
         }
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return db2_conn_error($this->conn);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return [
-            0 => db2_conn_errormsg($this->conn),
-            1 => $this->errorCode(),
-        ];
-    }
 }
diff --git a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
index dfe594d386c..f2633d95d65 100644
--- a/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
+++ b/lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php
@@ -32,8 +32,6 @@
 use function db2_free_result;
 use function db2_num_fields;
 use function db2_num_rows;
-use function db2_stmt_error;
-use function db2_stmt_errormsg;
 use function error_get_last;
 use function fclose;
 use function fwrite;
@@ -165,25 +163,6 @@ public function columnCount()
         return db2_num_fields($this->stmt) ?: 0;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return db2_stmt_error();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return [
-            db2_stmt_errormsg(),
-            db2_stmt_error(),
-        ];
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
index b377b79c711..02697c96013 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php
@@ -198,22 +198,6 @@ public function rollBack() : void
         }
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return $this->conn->errno;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return $this->conn->error;
-    }
-
     /**
      * Apply the driver options to the connection.
      *
diff --git a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
index 156b2dd5835..bb07e5a9a95 100644
--- a/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
+++ b/lib/Doctrine/DBAL/Driver/Mysqli/MysqliStatement.php
@@ -388,22 +388,6 @@ public function fetchColumn($columnIndex = 0)
         return $row[$columnIndex];
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return $this->_stmt->errno;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return $this->_stmt->error;
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
index 8a75d27f62e..d32ecd15317 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Connection.php
@@ -199,31 +199,4 @@ public function rollBack() : void
 
         $this->executeMode = OCI_COMMIT_ON_SUCCESS;
     }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        $error = oci_error($this->dbh);
-        if ($error !== false) {
-            $error = $error['code'];
-        }
-
-        return $error;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        $error = oci_error($this->dbh);
-
-        if ($error === false) {
-            return [];
-        }
-
-        return $error;
-    }
 }
diff --git a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
index 8949ff2b132..80cea86de5b 100644
--- a/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
+++ b/lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php
@@ -346,33 +346,6 @@ public function columnCount()
         return oci_num_fields($this->_sth) ?: 0;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        $error = oci_error($this->_sth);
-        if ($error !== false) {
-            $error = $error['code'];
-        }
-
-        return $error;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        $error = oci_error($this->_sth);
-
-        if ($error === false) {
-            return [];
-        }
-
-        return $error;
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/PDOConnection.php b/lib/Doctrine/DBAL/Driver/PDOConnection.php
index bc9128e1eb3..d9b40e923c9 100644
--- a/lib/Doctrine/DBAL/Driver/PDOConnection.php
+++ b/lib/Doctrine/DBAL/Driver/PDOConnection.php
@@ -148,22 +148,6 @@ public function rollBack() : void
         $this->connection->rollBack();
     }
 
-    /**
-     * {@inheritDoc}
-     */
-    public function errorCode()
-    {
-        return $this->connection->errorCode();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function errorInfo()
-    {
-        return $this->connection->errorInfo();
-    }
-
     public function getWrappedConnection() : PDO
     {
         return $this->connection;
diff --git a/lib/Doctrine/DBAL/Driver/PDOStatement.php b/lib/Doctrine/DBAL/Driver/PDOStatement.php
index b3b252a41f4..411cf8222c8 100644
--- a/lib/Doctrine/DBAL/Driver/PDOStatement.php
+++ b/lib/Doctrine/DBAL/Driver/PDOStatement.php
@@ -113,22 +113,6 @@ public function columnCount()
         return $this->stmt->columnCount();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return $this->stmt->errorCode();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return $this->stmt->errorInfo();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
index d98cffcd9a8..7b2161a2e68 100644
--- a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereConnection.php
@@ -14,8 +14,6 @@
 use function sasql_affected_rows;
 use function sasql_commit;
 use function sasql_connect;
-use function sasql_error;
-use function sasql_errorcode;
 use function sasql_escape_string;
 use function sasql_insert_id;
 use function sasql_pconnect;
@@ -84,22 +82,6 @@ public function commit() : void
         $this->endTransaction();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return sasql_errorcode($this->connection);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return sasql_error($this->connection);
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php
index 415be465041..c8afb177f46 100644
--- a/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php
+++ b/lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php
@@ -30,8 +30,6 @@
 use function sasql_prepare;
 use function sasql_stmt_affected_rows;
 use function sasql_stmt_bind_param_ex;
-use function sasql_stmt_errno;
-use function sasql_stmt_error;
 use function sasql_stmt_execute;
 use function sasql_stmt_field_count;
 use function sasql_stmt_reset;
@@ -144,22 +142,6 @@ public function columnCount()
         return sasql_stmt_field_count($this->stmt);
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        return sasql_stmt_errno($this->stmt);
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return sasql_stmt_error($this->stmt);
-    }
-
     /**
      * {@inheritdoc}
      *
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
index 2e4ac7da767..4470c58cd6d 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvConnection.php
@@ -8,12 +8,10 @@
 use Doctrine\DBAL\Driver\ResultStatement;
 use Doctrine\DBAL\Driver\ServerInfoAwareConnection;
 use Doctrine\DBAL\Driver\Statement as DriverStatement;
-use const SQLSRV_ERR_ERRORS;
 use function sqlsrv_begin_transaction;
 use function sqlsrv_commit;
 use function sqlsrv_configure;
 use function sqlsrv_connect;
-use function sqlsrv_errors;
 use function sqlsrv_query;
 use function sqlsrv_rollback;
 use function sqlsrv_rows_affected;
@@ -162,25 +160,4 @@ public function rollBack() : void
             throw SQLSrvException::fromSqlSrvErrors();
         }
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function errorCode()
-    {
-        $errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
-        if ($errors) {
-            return $errors[0]['code'];
-        }
-
-        return false;
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function errorInfo()
-    {
-        return (array) sqlsrv_errors(SQLSRV_ERR_ERRORS);
-    }
 }
diff --git a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
index 5fe10f306e5..21a6053f1ab 100644
--- a/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
+++ b/lib/Doctrine/DBAL/Driver/SQLSrv/SQLSrvStatement.php
@@ -11,7 +11,6 @@
 use Doctrine\DBAL\ParameterType;
 use IteratorAggregate;
 use const SQLSRV_ENC_BINARY;
-use const SQLSRV_ERR_ERRORS;
 use const SQLSRV_FETCH_ASSOC;
 use const SQLSRV_FETCH_BOTH;
 use const SQLSRV_FETCH_NUMERIC;
@@ -21,7 +20,6 @@
 use function in_array;
 use function is_int;
 use function is_numeric;
-use function sqlsrv_errors;
 use function sqlsrv_execute;
 use function sqlsrv_fetch;
 use function sqlsrv_fetch_array;
@@ -209,27 +207,6 @@ public function columnCount()
         return sqlsrv_num_fields($this->stmt) ?: 0;
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        $errors = sqlsrv_errors(SQLSRV_ERR_ERRORS);
-        if ($errors) {
-            return $errors[0]['code'];
-        }
-
-        return false;
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        return (array) sqlsrv_errors(SQLSRV_ERR_ERRORS);
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Driver/Statement.php b/lib/Doctrine/DBAL/Driver/Statement.php
index 8ad231fea10..dd7895d93d3 100644
--- a/lib/Doctrine/DBAL/Driver/Statement.php
+++ b/lib/Doctrine/DBAL/Driver/Statement.php
@@ -59,22 +59,6 @@ public function bindValue($param, $value, $type = ParameterType::STRING) : void;
      */
     public function bindParam($column, &$variable, $type = ParameterType::STRING, $length = null) : void;
 
-    /**
-     * Fetches the SQLSTATE associated with the last operation on the statement handle.
-     *
-     * @see Doctrine_Adapter_Interface::errorCode()
-     *
-     * @return string|int|bool The error code string.
-     */
-    public function errorCode();
-
-    /**
-     * Fetches extended error information associated with the last operation on the statement handle.
-     *
-     * @return mixed[] The error info array.
-     */
-    public function errorInfo();
-
     /**
      * Executes a prepared statement
      *
diff --git a/lib/Doctrine/DBAL/Portability/Statement.php b/lib/Doctrine/DBAL/Portability/Statement.php
index c2ab9534fd7..102c11d9268 100644
--- a/lib/Doctrine/DBAL/Portability/Statement.php
+++ b/lib/Doctrine/DBAL/Portability/Statement.php
@@ -80,26 +80,6 @@ public function columnCount()
         return $this->stmt->columnCount();
     }
 
-    /**
-     * {@inheritdoc}
-     */
-    public function errorCode()
-    {
-        assert($this->stmt instanceof DriverStatement);
-
-        return $this->stmt->errorCode();
-    }
-
-    /**
-     * {@inheritdoc}
-     */
-    public function errorInfo()
-    {
-        assert($this->stmt instanceof DriverStatement);
-
-        return $this->stmt->errorInfo();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/lib/Doctrine/DBAL/Statement.php b/lib/Doctrine/DBAL/Statement.php
index 7022c809b61..61e60f5e0ed 100644
--- a/lib/Doctrine/DBAL/Statement.php
+++ b/lib/Doctrine/DBAL/Statement.php
@@ -179,24 +179,6 @@ public function columnCount()
         return $this->stmt->columnCount();
     }
 
-    /**
-     * Fetches the SQLSTATE associated with the last operation on the statement.
-     *
-     * @return string|int|bool
-     */
-    public function errorCode()
-    {
-        return $this->stmt->errorCode();
-    }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function errorInfo()
-    {
-        return $this->stmt->errorInfo();
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index ce26e2bc55a..34af83a4576 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -26,7 +26,6 @@ parameters:
         - '~^Method Doctrine\\DBAL\\Schema\\(Oracle|PostgreSql|SQLServer)SchemaManager::_getPortableTableDefinition\(\) should return array but returns string\.\z~'
         - '~^Method Doctrine\\DBAL\\Platforms\\(|SQLAnywhere|Sqlite)Platform::_getTransactionIsolationLevelSQL\(\) should return string but returns int\.\z~'
         - '~^Method Doctrine\\DBAL\\Driver\\OCI8\\OCI8Connection::lastInsertId\(\) should return string but returns (int|false)\.\z~'
-        - '~^Method Doctrine\\DBAL\\Driver\\SQLSrv\\SQLSrvConnection::errorCode\(\) should return string\|null but returns false\.\z~'
 
         # https://bugs.php.net/bug.php?id=78126
         - '~^Call to an undefined method PDO::sqliteCreateFunction\(\)\.\z~'
diff --git a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
index 0a3fac87626..924150e54bc 100644
--- a/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
+++ b/tests/Doctrine/Tests/DBAL/Driver/OCI8/OCI8StatementTest.php
@@ -8,6 +8,7 @@
 use Doctrine\DBAL\Driver\OCI8\OCI8Exception;
 use Doctrine\DBAL\Driver\OCI8\OCI8Statement;
 use Doctrine\Tests\DbalTestCase;
+use PHPUnit\Framework\MockObject\MockObject;
 use ReflectionProperty;
 use const OCI_NO_AUTO_COMMIT;
 use function extension_loaded;
@@ -39,8 +40,9 @@ protected function setUp() : void
      */
     public function testExecute(array $params) : void
     {
+        /** @var OCI8Statement|MockObject $statement */
         $statement = $this->getMockBuilder(OCI8Statement::class)
-            ->onlyMethods(['bindValue', 'errorInfo'])
+            ->onlyMethods(['bindValue'])
             ->disableOriginalConstructor()
             ->getMock();
 
@@ -54,17 +56,9 @@ public function testExecute(array $params) : void
                 ->willReturn(true);
         }
 
-        // the return value is irrelevant to the test
-        // but it has to be compatible with the method signature
-        $statement->method('errorInfo')
-            ->willReturn(false);
-
         // can't pass to constructor since we don't have a real database handle,
         // but execute must check the connection for the executeMode
-        $conn = $this->getMockBuilder(OCI8Connection::class)
-            ->onlyMethods(['getExecuteMode'])
-            ->disableOriginalConstructor()
-            ->getMock();
+        $conn = $this->createMock(OCI8Connection::class);
         $conn->expects($this->once())
             ->method('getExecuteMode')
             ->willReturn(OCI_NO_AUTO_COMMIT);
diff --git a/tests/Doctrine/Tests/DBAL/Portability/StatementTest.php b/tests/Doctrine/Tests/DBAL/Portability/StatementTest.php
index ae7f6a385ee..7753cda4325 100644
--- a/tests/Doctrine/Tests/DBAL/Portability/StatementTest.php
+++ b/tests/Doctrine/Tests/DBAL/Portability/StatementTest.php
@@ -84,28 +84,6 @@ public function testColumnCount() : void
         self::assertSame($columnCount, $this->stmt->columnCount());
     }
 
-    public function testErrorCode() : void
-    {
-        $errorCode = '666';
-
-        $this->wrappedStmt->expects($this->once())
-            ->method('errorCode')
-            ->will($this->returnValue($errorCode));
-
-        self::assertSame($errorCode, $this->stmt->errorCode());
-    }
-
-    public function testErrorInfo() : void
-    {
-        $errorInfo = ['666', 'Evil error.'];
-
-        $this->wrappedStmt->expects($this->once())
-            ->method('errorInfo')
-            ->will($this->returnValue($errorInfo));
-
-        self::assertSame($errorInfo, $this->stmt->errorInfo());
-    }
-
     public function testExecute() : void
     {
         $params = [