diff --git a/composer.json b/composer.json
index af77f3e2baf..cfacbd52c0b 100644
--- a/composer.json
+++ b/composer.json
@@ -37,8 +37,7 @@
     "classmap": [
       "src/Controllers/Version1",
       "src/Controllers/Version2",
-      "src/Controllers/Version3",
-      "src/Controllers/Version4"
+      "src/Controllers/Version3"
     ],
     "psr-4": {
       "Automattic\\WooCommerce\\RestApi\\": "src"