diff --git a/src/server.cpp b/src/server.cpp
index cb03f7fe0e..c8abca3fd8 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -426,12 +426,21 @@ class ModulesShutdownGuard {
     ~ModulesShutdownGuard() {
         this->server.shutdownModules();
     }
+    ModulesShutdownGuard(const ModulesShutdownGuard&) = delete;
+    ModulesShutdownGuard& operator=(const ModulesShutdownGuard&) = delete;
+    ModulesShutdownGuard(ModulesShutdownGuard&&) = delete;
+    ModulesShutdownGuard& operator=(ModulesShutdownGuard&&) = delete;
 };
 
 class OvmsExitGuard {
     Server& server;
 
 public:
+    OvmsExitGuard() = delete;
+    OvmsExitGuard(const OvmsExitGuard&) = delete;
+    OvmsExitGuard& operator=(const OvmsExitGuard&) = delete;
+    OvmsExitGuard& operator=(OvmsExitGuard&&) = delete;
+    OvmsExitGuard(OvmsExitGuard&&) = delete;
     OvmsExitGuard(Server& server) :
         server(server) { server.setExitStatus(0); }
     ~OvmsExitGuard() { server.setExitStatus(1); }