diff --git a/src/Forms/HTMLEditor/TinyMCEGZIPGenerator.php b/src/Forms/HTMLEditor/TinyMCEGZIPGenerator.php
deleted file mode 100644
index 5794f42c5..000000000
--- a/src/Forms/HTMLEditor/TinyMCEGZIPGenerator.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-namespace SilverStripe\Forms\HTMLEditor;
-
-use Exception;
-use SilverStripe\Control\Controller;
-use SilverStripe\Core\Injector\Injectable;
-use SilverStripe\Dev\Deprecation;
-use TinyMCE_Compressor;
-
-/**
- * Uses the default tiny_mc_gzip.php handler
- *
- * @deprecated 4.0.0:5.0.0
- */
-class TinyMCEGZIPGenerator implements TinyMCEScriptGenerator
-{
-    use Injectable;
-
-    public function __construct()
-    {
-        Deprecation::notice('5.0', 'Legacy tiny_mce_gzip compressor is deprecated');
-    }
-
-    /**
-     * Generate a script URL for the given config
-     *
-     * @param TinyMCEConfig $config
-     * @return string
-     * @throws Exception
-     */
-    public function getScriptURL(TinyMCEConfig $config)
-    {
-        return Controller::join_links($config->getTinyMCEResourceURL(), 'tinymce.min.js');
-    }
-}