diff --git a/src/functions.php b/src/functions.php
index 75ce980..bd62ab8 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -190,7 +190,7 @@ function stubGlobal(string $function, string $namespace): StubVerifier
  */
 function restoreGlobalFunctions()
 {
-    return Globals::$container->functionHookManager->restoreGlobalFunctions();
+    Globals::$container->functionHookManager->restoreGlobalFunctions();
 }
 
 /**