diff --git a/src/Dibi/Connection.php b/src/Dibi/Connection.php
index a812a31c..5d506418 100644
--- a/src/Dibi/Connection.php
+++ b/src/Dibi/Connection.php
@@ -198,14 +198,6 @@ class Connection
 	}
 
 
-	/** @deprecated */
-	public static function alias(&$config, $key, $alias)
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use Helpers::alias().', E_USER_DEPRECATED);
-		Helpers::alias($config, $key, $alias);
-	}
-
-
 	/**
 	 * Returns the driver and connects to a database in lazy mode.
 	 * @return Driver
diff --git a/src/Dibi/Drivers/FirebirdDriver.php b/src/Dibi/Drivers/FirebirdDriver.php
index 58e1afea..f2ab2f37 100644
--- a/src/Dibi/Drivers/FirebirdDriver.php
+++ b/src/Dibi/Drivers/FirebirdDriver.php
@@ -340,14 +340,6 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/MsSqlDriver.php b/src/Dibi/Drivers/MsSqlDriver.php
index 62545bc8..0ad1c16b 100644
--- a/src/Dibi/Drivers/MsSqlDriver.php
+++ b/src/Dibi/Drivers/MsSqlDriver.php
@@ -291,14 +291,6 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/MySqlDriver.php b/src/Dibi/Drivers/MySqlDriver.php
index 93ab512f..f4d5f655 100644
--- a/src/Dibi/Drivers/MySqlDriver.php
+++ b/src/Dibi/Drivers/MySqlDriver.php
@@ -375,14 +375,6 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/MySqliDriver.php b/src/Dibi/Drivers/MySqliDriver.php
index 5b19e4bf..5b96c2a7 100644
--- a/src/Dibi/Drivers/MySqliDriver.php
+++ b/src/Dibi/Drivers/MySqliDriver.php
@@ -383,14 +383,6 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/OdbcDriver.php b/src/Dibi/Drivers/OdbcDriver.php
index bc5d5f37..9bc54124 100644
--- a/src/Dibi/Drivers/OdbcDriver.php
+++ b/src/Dibi/Drivers/OdbcDriver.php
@@ -315,14 +315,6 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/OracleDriver.php b/src/Dibi/Drivers/OracleDriver.php
index 16476f48..ba107287 100644
--- a/src/Dibi/Drivers/OracleDriver.php
+++ b/src/Dibi/Drivers/OracleDriver.php
@@ -67,9 +67,6 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	{
 		$foo = &$config['charset'];
 
-		if (isset($config['formatDate']) || isset($config['formatDateTime'])) {
-			trigger_error('OracleDriver: options formatDate and formatDateTime are deprecated.', E_USER_DEPRECATED);
-		}
 		if (empty($config['nativeDate'])) {
 			$this->fmtDate = isset($config['formatDate']) ? $config['formatDate'] : 'U';
 			$this->fmtDateTime = isset($config['formatDateTime']) ? $config['formatDateTime'] : 'U';
@@ -349,14 +346,6 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/PdoDriver.php b/src/Dibi/Drivers/PdoDriver.php
index 1f7b0a26..7ddf29b0 100644
--- a/src/Dibi/Drivers/PdoDriver.php
+++ b/src/Dibi/Drivers/PdoDriver.php
@@ -404,14 +404,6 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/PostgreDriver.php b/src/Dibi/Drivers/PostgreDriver.php
index 4ad48caa..ddf386ff 100644
--- a/src/Dibi/Drivers/PostgreDriver.php
+++ b/src/Dibi/Drivers/PostgreDriver.php
@@ -391,14 +391,6 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/Sqlite3Driver.php b/src/Dibi/Drivers/Sqlite3Driver.php
index a8a1d180..6fae30e8 100644
--- a/src/Dibi/Drivers/Sqlite3Driver.php
+++ b/src/Dibi/Drivers/Sqlite3Driver.php
@@ -335,14 +335,6 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Dibi\Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Drivers/SqlsrvDriver.php b/src/Dibi/Drivers/SqlsrvDriver.php
index ef154ba7..b6e39a95 100644
--- a/src/Dibi/Drivers/SqlsrvDriver.php
+++ b/src/Dibi/Drivers/SqlsrvDriver.php
@@ -315,14 +315,6 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	}
 
 
-	/** @deprecated */
-	public function escape($value, $type)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		return Helpers::escape($this, $value, $type);
-	}
-
-
 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
 	 * @param  string
diff --git a/src/Dibi/Result.php b/src/Dibi/Result.php
index 6019b589..a37cc716 100644
--- a/src/Dibi/Result.php
+++ b/src/Dibi/Result.php
@@ -62,16 +62,6 @@ class Result implements IDataSource
 	}
 
 
-	/**
-	 * @deprecated
-	 */
-	final public function getResource()
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use getResultDriver()->getResultResource().', E_USER_DEPRECATED);
-		return $this->getResultDriver()->getResultResource();
-	}
-
-
 	/**
 	 * Frees the resources allocated for this result set.
 	 * @return void
diff --git a/src/Dibi/Strict.php b/src/Dibi/Strict.php
index e3a4329c..8e4b7bdc 100644
--- a/src/Dibi/Strict.php
+++ b/src/Dibi/Strict.php
@@ -117,18 +117,6 @@ trait Strict
 			$class = (new ReflectionClass($class))->getName();
 		}
 
-		if (self::$extMethods === NULL) { // for backwards compatibility
-			$list = get_defined_functions();
-			foreach ($list['user'] as $fce) {
-				$pair = explode('_prototype_', $fce);
-				if (count($pair) === 2) {
-					trigger_error("Extension method defined as $fce() is deprecated, use $class::extensionMethod('$name', ...).", E_USER_DEPRECATED);
-					self::$extMethods[$pair[1]][(new ReflectionClass($pair[0]))->getName()] = $fce;
-					self::$extMethods[$pair[1]][''] = NULL;
-				}
-			}
-		}
-
 		$list = & self::$extMethods[strtolower($name)];
 		if ($callback === NULL) { // getter
 			$cache = &$list[''][$class];
diff --git a/src/Dibi/Translator.php b/src/Dibi/Translator.php
index ce08e0ea..9e0ab10e 100644
--- a/src/Dibi/Translator.php
+++ b/src/Dibi/Translator.php
@@ -338,10 +338,6 @@ final class Translator
 				case 'sn':
 					return $value == '' ? 'NULL' : $this->driver->escapeText((string) $value); // notice two equal signs
 
-				case 'in': // deprecated
-					trigger_error('Modifier %in is deprecated, use %iN.', E_USER_DEPRECATED);
-					// intentionally break omitted
-
 				case 'iN': // signed int or NULL
 					if ($value == '') {
 						$value = NULL;
@@ -354,9 +350,6 @@ final class Translator
 						return 'NULL';
 					} elseif (is_string($value) && preg_match('#[+-]?\d++(?:e\d+)?\z#A', $value)) {
 						return $value; // support for long numbers - keep them unchanged
-					} elseif (is_string($value) && substr($value, 1, 1) === 'x' && is_numeric($value)) {
-						trigger_error('Support for hex strings has been deprecated.', E_USER_DEPRECATED);
-						return (string) hexdec($value);
 					} else {
 						return (string) (int) $value;
 					}
diff --git a/src/Dibi/dibi.php b/src/Dibi/dibi.php
index 23a7b8c2..4e1a9d8e 100644
--- a/src/Dibi/dibi.php
+++ b/src/Dibi/dibi.php
@@ -22,33 +22,13 @@ class dibi
 
 	/** version */
 	const
-		VERSION = '4.0-dev',
-		REVISION = 'released on 2017-06-09';
+		VERSION = '4.0-dev';
 
 	/** sorting order */
 	const
 		ASC = 'ASC',
 		DESC = 'DESC';
 
-	/** @deprecated */
-	const
-		TEXT = Type::TEXT,
-		BINARY = Type::BINARY,
-		BOOL = Type::BOOL,
-		INTEGER = Type::INTEGER,
-		FLOAT = Type::FLOAT,
-		DATE = Type::DATE,
-		DATETIME = Type::DATETIME,
-		TIME = Type::TIME,
-		FIELD_TEXT = Type::TEXT,
-		FIELD_BINARY = Type::BINARY,
-		FIELD_BOOL = Type::BOOL,
-		FIELD_INTEGER = Type::INTEGER,
-		FIELD_FLOAT = Type::FLOAT,
-		FIELD_DATE = Type::DATE,
-		FIELD_DATETIME = Type::DATETIME,
-		FIELD_TIME = Type::TIME;
-
 	/** @var Dibi\Connection[]  Connection registry storage for DibiConnection objects */
 	private static $registry = [];
 
@@ -151,16 +131,6 @@ class dibi
 	}
 
 
-	/**
-	 * @deprecated
-	 */
-	public static function activate($name)
-	{
-		trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
-		self::$connection = self::getConnection($name);
-	}
-
-
 	/********************* monostate for active connection ****************d*g**/