diff --git a/src/testlib/doc/snippets/code/src_corelib_kernel_qtestsupport_core.cpp b/src/testlib/doc/snippets/code/src_corelib_kernel_qtestsupport_core.cpp
index 30c6dfec9f4..7faf40d9b7f 100644
--- a/src/testlib/doc/snippets/code/src_corelib_kernel_qtestsupport_core.cpp
+++ b/src/testlib/doc/snippets/code/src_corelib_kernel_qtestsupport_core.cpp
@@ -5,9 +5,9 @@
 // dummy class
 class MyObject
 {
-    public:
-        int isReady();
-        bool startup();
+public:
+    int isReady();
+    void startup() {}
 };
 
 // dummy function
@@ -27,7 +27,7 @@ int MyObject::isReady()
 return 1;
 }
 
-static bool startup()
+[[maybe_unused]] static bool startup()
 {
 //! [2]
     MyObject obj;