diff --git a/src/Protocol/PublishDiagnosticParams.php b/src/Protocol/PublishDiagnosticParams.php
deleted file mode 100644
index c1180c7..0000000
--- a/src/Protocol/PublishDiagnosticParams.php
+++ /dev/null
@@ -1,24 +0,0 @@
-<?php
-
-namespace LanguageServer\Protocol;
-
-/**
- * Diagnostics notification are sent from the server to the client to signal results
- * of validation runs.
- */
-class PublishDiagnosticsParams extends RequestParams
-{
-    /**
-     * The URI for which diagnostic information is reported.
-     *
-     * @var string
-     */
-    public $uri;
-
-    /**
-     * An array of diagnostic information items.
-     *
-     * @var Diagnostic[]
-     */
-    public $diagnostics;
-}
diff --git a/src/Protocol/PublishDiagnosticsNotification.php b/src/Protocol/PublishDiagnosticsNotification.php
deleted file mode 100644
index b84fd33..0000000
--- a/src/Protocol/PublishDiagnosticsNotification.php
+++ /dev/null
@@ -1,26 +0,0 @@
-<?php
-
-namespace LanguageServer\Protocol;
-
-use AdvancedJsonRpc\Notification;
-
-/**
- * Diagnostics notification are sent from the server to the client to signal results of validation runs.
- */
-class PublishDiagnosticsNotification extends Notification
-{
-    /**
-     * @var PublishDiagnosticsParams
-     */
-    public $params;
-
-    /**
-     * @param string $uri
-     * @param Diagnostic[] $diagnostics
-     */
-    public function __construct(string $uri, array $diagnostics)
-    {
-        $this->method = 'textDocument/publishDiagnostics';
-        $this->params = $params;
-    }
-}
diff --git a/src/Protocol/PublishDiagnosticsParams.php b/src/Protocol/PublishDiagnosticsParams.php
deleted file mode 100644
index 1081187..0000000
--- a/src/Protocol/PublishDiagnosticsParams.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-namespace LanguageServer\Protocol\TextDocument;
-
-use LanguageServer\Protocol\Params;
-
-class PublishDiagnosticsParams extends Params
-{
-    /**
-     * The URI for which diagnostic information is reported.
-     *
-     * @var string
-     */
-    public $uri;
-
-    /**
-     * An array of diagnostic information items.
-     *
-     * @var LanguageServer\Protocol\Diagnostic[]
-     */
-    public $diagnostics;
-}