diff --git a/src/Error.php b/src/Error.php
deleted file mode 100644
index 28a46a6..0000000
--- a/src/Error.php
+++ /dev/null
@@ -1,18 +0,0 @@
-<?php
-namespace GraphQL;
-
-trigger_error(
-    'GraphQL\Error was moved to GraphQL\Error\Error and will be deleted on next release',
-    E_USER_DEPRECATED
-);
-
-
-/**
- * Class Error
- *
- * @deprecated since 2016-10-21 in favor of GraphQL\Error\Error
- * @package GraphQL
- */
-class Error extends \GraphQL\Error\Error
-{
-}
diff --git a/src/FormattedError.php b/src/FormattedError.php
deleted file mode 100644
index 9eda817..0000000
--- a/src/FormattedError.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-namespace GraphQL;
-
-trigger_error(
-    'GraphQL\FormattedError was moved to GraphQL\Error\FormattedError and will be deleted on next release',
-    E_USER_DEPRECATED
-);
-
-/**
- * Class FormattedError
- * @deprecated since 2016-10-21 in favor of GraphQL\Error\FormattedError
- * @package GraphQL
- */
-class FormattedError extends \GraphQL\Error\FormattedError
-{
-}
diff --git a/src/SyntaxError.php b/src/SyntaxError.php
deleted file mode 100644
index 7a393f0..0000000
--- a/src/SyntaxError.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-namespace GraphQL;
-
-trigger_error(
-    'GraphQL\SyntaxError was moved to GraphQL\Error\SyntaxError and will be deleted on next release',
-    E_USER_DEPRECATED
-);
-
-/**
- * Class SyntaxError
- * @deprecated since 2016-10-21 in favor of GraphQL\Error\SyntaxError
- * @package GraphQL
- */
-class SyntaxError extends \GraphQL\Error\SyntaxError
-{
-}
diff --git a/src/deprecated.php b/src/deprecated.php
index d80802b..cdca9a7 100644
--- a/src/deprecated.php
+++ b/src/deprecated.php
@@ -4,6 +4,10 @@ if (defined('GRAPHQL_WITH_DEPRECATED') && !GRAPHQL_WITH_DEPRECATED) {
 }
 
 // Renamed as of 8.0:
+class_alias('GraphQL\Error\Error', 'GraphQL\Error');
+class_alias('GraphQL\Error\FormattedError', 'GraphQL\FormattedError');
+class_alias('GraphQL\Error\SyntaxError', 'GraphQL\SyntaxError');
+
 class_alias('GraphQL\Language\AST\ArgumentNode', 'GraphQL\Language\AST\Argument');
 class_alias('GraphQL\Language\AST\BooleanValueNode', 'GraphQL\Language\AST\BooleanValue');
 class_alias('GraphQL\Language\AST\DefinitionNode', 'GraphQL\Language\AST\Definition');