diff --git a/composer.bridgeless.json b/composer.bridgeless.json
index 74aa559..5a7fb0b 100644
--- a/composer.bridgeless.json
+++ b/composer.bridgeless.json
@@ -5,7 +5,7 @@
 	},
 	"autoload": {
 		"psr-4": { "Nextras\\Migrations\\": "src/" },
-		"classmap": ["src/exceptions.php", "src/deprecated"]
+		"classmap": ["src/deprecated"]
 	},
 	"autoload-dev": {
 		"classmap": ["tests/inc"]
diff --git a/composer.json b/composer.json
index 29c2e67..26d29b6 100644
--- a/composer.json
+++ b/composer.json
@@ -39,7 +39,7 @@
 	},
 	"autoload": {
 		"psr-4": { "Nextras\\Migrations\\": "src/" },
-		"classmap": ["src/exceptions.php", "src/deprecated"]
+		"classmap": ["src/deprecated"]
 	},
 	"autoload-dev": {
 		"classmap": ["tests/inc"]
diff --git a/src/Exception.php b/src/Exception.php
new file mode 100644
index 0000000..426ddba
--- /dev/null
+++ b/src/Exception.php
@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+interface Exception
+{
+}
diff --git a/src/ExecutionException.php b/src/ExecutionException.php
new file mode 100644
index 0000000..35b8b9b
--- /dev/null
+++ b/src/ExecutionException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+/**
+ * Executing migration has failed.
+ */
+class ExecutionException extends RuntimeException
+{
+}
diff --git a/src/IOException.php b/src/IOException.php
new file mode 100644
index 0000000..ba6495a
--- /dev/null
+++ b/src/IOException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+/**
+ * Permission denied, file not found...
+ */
+class IOException extends RuntimeException
+{
+}
diff --git a/src/LockException.php b/src/LockException.php
new file mode 100644
index 0000000..90d71c8
--- /dev/null
+++ b/src/LockException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+/**
+ * Lock cannot be released or acquired.
+ */
+class LockException extends RuntimeException
+{
+}
diff --git a/src/LogicException.php b/src/LogicException.php
new file mode 100644
index 0000000..acdfaeb
--- /dev/null
+++ b/src/LogicException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+/**
+ * Error in usage or implementation.
+ */
+class LogicException extends \LogicException implements Exception
+{
+}
diff --git a/src/RuntimeException.php b/src/RuntimeException.php
new file mode 100644
index 0000000..1331781
--- /dev/null
+++ b/src/RuntimeException.php
@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * This file is part of the Nextras community extensions of Nette Framework
+ *
+ * @license    New BSD License
+ * @link       https://github.com/nextras/migrations
+ */
+
+namespace Nextras\Migrations;
+
+/**
+ * Error during runtime.
+ */
+abstract class RuntimeException extends \RuntimeException implements Exception
+{
+}
diff --git a/src/exceptions.php b/src/exceptions.php
deleted file mode 100644
index 051aacd..0000000
--- a/src/exceptions.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-
-/**
- * This file is part of the Nextras community extensions of Nette Framework
- *
- * @license    New BSD License
- * @link       https://github.com/nextras/migrations
- */
-
-namespace Nextras\Migrations;
-
-
-/**
- * Marker interface.
- */
-interface Exception
-{
-}
-
-
-/**
- * Error in usage or implementation.
- */
-class LogicException extends \LogicException implements Exception
-{
-}
-
-
-/**
- * Error during runtime.
- */
-abstract class RuntimeException extends \RuntimeException implements Exception
-{
-}
-
-
-/**
- * Executing migration has failed.
- */
-class ExecutionException extends RuntimeException
-{
-}
-
-
-/**
- * Permission denied, file not found...
- */
-class IOException extends RuntimeException
-{
-}
-
-
-/**
- * Lock cannot be released or acquired.
- */
-class LockException extends RuntimeException
-{
-}