diff --git a/dibi/drivers/mssql.php b/dibi/drivers/mssql.php
index b113027d..0c14ffed 100644
--- a/dibi/drivers/mssql.php
+++ b/dibi/drivers/mssql.php
@@ -170,17 +170,6 @@ class DibiMsSqlDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('MSSQL driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/mssql2005.php b/dibi/drivers/mssql2005.php
index d540d6b5..1ae5cd1d 100644
--- a/dibi/drivers/mssql2005.php
+++ b/dibi/drivers/mssql2005.php
@@ -172,17 +172,6 @@ class DibiMsSql2005Driver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('MSSQL 2005 driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/mysql.php b/dibi/drivers/mysql.php
index 20a8ace3..6617204a 100644
--- a/dibi/drivers/mysql.php
+++ b/dibi/drivers/mysql.php
@@ -246,17 +246,6 @@ class DibiMySqlDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		return (bool) mysql_result(mysql_query('SELECT @@autocommit', $this->connection), 0);
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/mysqli.php b/dibi/drivers/mysqli.php
index 61eb23e1..4198b6ad 100644
--- a/dibi/drivers/mysqli.php
+++ b/dibi/drivers/mysqli.php
@@ -230,18 +230,6 @@ class DibiMySqliDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		$row = mysqli_fetch_row(mysqli_query($this->connection, 'SELECT @@autocommit'));
-		return (bool) $row[0];
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mysqli
diff --git a/dibi/drivers/odbc.php b/dibi/drivers/odbc.php
index 9dedb00b..8e49985a 100644
--- a/dibi/drivers/odbc.php
+++ b/dibi/drivers/odbc.php
@@ -184,7 +184,7 @@ class DibiOdbcDriver extends DibiObject implements IDibiDriver
 	 */
 	public function inTransaction()
 	{
-		return (bool) odbc_autocommit($this->connection);
+		return !odbc_autocommit($this->connection);
 	}
 
 
diff --git a/dibi/drivers/oracle.php b/dibi/drivers/oracle.php
index 64129ab8..ff839007 100644
--- a/dibi/drivers/oracle.php
+++ b/dibi/drivers/oracle.php
@@ -186,17 +186,6 @@ class DibiOracleDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('Oracle driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/pdo.php b/dibi/drivers/pdo.php
index 6bc3e3a0..5e8d91d5 100644
--- a/dibi/drivers/pdo.php
+++ b/dibi/drivers/pdo.php
@@ -197,17 +197,6 @@ class DibiPdoDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		return (bool) $this->connection->getAttribute(PDO::ATTR_AUTOCOMMIT);
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return PDO
diff --git a/dibi/drivers/postgre.php b/dibi/drivers/postgre.php
index 656f11d7..f94d3d78 100644
--- a/dibi/drivers/postgre.php
+++ b/dibi/drivers/postgre.php
@@ -208,17 +208,6 @@ class DibiPostgreDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('PostgreSQL driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/sqlite.php b/dibi/drivers/sqlite.php
index 6cf08cc1..75524846 100644
--- a/dibi/drivers/sqlite.php
+++ b/dibi/drivers/sqlite.php
@@ -193,17 +193,6 @@ class DibiSqliteDriver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('SQLite driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/drivers/sqlite3.php b/dibi/drivers/sqlite3.php
index 0dc309f0..6f309dbb 100644
--- a/dibi/drivers/sqlite3.php
+++ b/dibi/drivers/sqlite3.php
@@ -183,17 +183,6 @@ class DibiSqlite3Driver extends DibiObject implements IDibiDriver
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		throw new NotSupportedException('SQLite3 driver does not support transaction testing.');
-	}
-
-
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed
diff --git a/dibi/libs/DibiConnection.php b/dibi/libs/DibiConnection.php
index 78555626..da81382f 100644
--- a/dibi/libs/DibiConnection.php
+++ b/dibi/libs/DibiConnection.php
@@ -446,18 +446,6 @@ class DibiConnection extends DibiObject
 
 
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	public function inTransaction()
-	{
-		$this->connect();
-		return $this->driver->inTransaction();
-	}
-
-
-
 	/**
 	 * Encodes data for use in a SQL statement.
 	 * @param  string    unescaped string
diff --git a/dibi/libs/interfaces.php b/dibi/libs/interfaces.php
index 0b74ccef..734cb7c5 100644
--- a/dibi/libs/interfaces.php
+++ b/dibi/libs/interfaces.php
@@ -145,12 +145,6 @@ interface IDibiDriver
 	 */
 	function rollback($savepoint = NULL);
 
-	/**
-	 * Is in transaction?
-	 * @return bool
-	 */
-	function inTransaction();
-
 	/**
 	 * Returns the connection resource.
 	 * @return mixed