diff --git a/libomptarget/include/PluginManager.h b/libomptarget/include/PluginManager.h
index 5e5306a..7768428 100644
--- a/libomptarget/include/PluginManager.h
+++ b/libomptarget/include/PluginManager.h
@@ -69,7 +69,7 @@
   /// Access to the shared object file representing the plugin.
   std::unique_ptr<llvm::sys::DynamicLibrary> LibraryHandler;
 
-#define PLUGIN_API_HANDLE(NAME, MANDATORY)                                     \
+#define PLUGIN_API_HANDLE(NAME)                                                \
   using NAME##_ty = decltype(__tgt_rtl_##NAME);                                \
   NAME##_ty *NAME = nullptr;
 
@@ -114,8 +114,10 @@
   // Unregister a shared library from all RTLs.
   void unregisterLib(__tgt_bin_desc *Desc);
 
-  void addDeviceImage(__tgt_bin_desc &TgtBinDesc, __tgt_device_image &TgtDeviceImage) {
-    DeviceImages.emplace_back(std::make_unique<DeviceImageTy>(TgtBinDesc, TgtDeviceImage));
+  void addDeviceImage(__tgt_bin_desc &TgtBinDesc,
+                      __tgt_device_image &TgtDeviceImage) {
+    DeviceImages.emplace_back(
+        std::make_unique<DeviceImageTy>(TgtBinDesc, TgtDeviceImage));
   }
 
   /// Return the device presented to the user as device \p DeviceNo if it is
diff --git a/libomptarget/include/Shared/PluginAPI.inc b/libomptarget/include/Shared/PluginAPI.inc
index 3b982e3..e445da6 100644
--- a/libomptarget/include/Shared/PluginAPI.inc
+++ b/libomptarget/include/Shared/PluginAPI.inc
@@ -13,39 +13,39 @@
 
 // No include guards!
 
-PLUGIN_API_HANDLE(init_plugin, true);
-PLUGIN_API_HANDLE(is_valid_binary, true);
-PLUGIN_API_HANDLE(is_data_exchangable, false);
-PLUGIN_API_HANDLE(number_of_devices, true);
-PLUGIN_API_HANDLE(init_device, true);
-PLUGIN_API_HANDLE(load_binary, true);
-PLUGIN_API_HANDLE(get_global, true);
-PLUGIN_API_HANDLE(get_function, true);
-PLUGIN_API_HANDLE(data_alloc, true);
-PLUGIN_API_HANDLE(data_submit, true);
-PLUGIN_API_HANDLE(data_submit_async, false);
-PLUGIN_API_HANDLE(data_retrieve, true);
-PLUGIN_API_HANDLE(data_retrieve_async, false);
-PLUGIN_API_HANDLE(data_exchange, false);
-PLUGIN_API_HANDLE(data_exchange_async, false);
-PLUGIN_API_HANDLE(data_delete, true);
-PLUGIN_API_HANDLE(launch_kernel, true);
-PLUGIN_API_HANDLE(init_requires, false);
-PLUGIN_API_HANDLE(synchronize, false);
-PLUGIN_API_HANDLE(query_async, false);
-PLUGIN_API_HANDLE(set_info_flag, false);
-PLUGIN_API_HANDLE(print_device_info, false);
-PLUGIN_API_HANDLE(create_event, false);
-PLUGIN_API_HANDLE(record_event, false);
-PLUGIN_API_HANDLE(wait_event, false);
-PLUGIN_API_HANDLE(sync_event, false);
-PLUGIN_API_HANDLE(destroy_event, false);
-PLUGIN_API_HANDLE(init_async_info, false);
-PLUGIN_API_HANDLE(init_device_info, false);
-PLUGIN_API_HANDLE(data_lock, false);
-PLUGIN_API_HANDLE(data_unlock, false);
-PLUGIN_API_HANDLE(data_notify_mapped, false);
-PLUGIN_API_HANDLE(data_notify_unmapped, false);
-PLUGIN_API_HANDLE(set_device_offset, false);
-PLUGIN_API_HANDLE(initialize_record_replay, false);
-PLUGIN_API_HANDLE(use_auto_zero_copy, false);
+PLUGIN_API_HANDLE(init_plugin);
+PLUGIN_API_HANDLE(is_valid_binary);
+PLUGIN_API_HANDLE(is_data_exchangable);
+PLUGIN_API_HANDLE(number_of_devices);
+PLUGIN_API_HANDLE(init_device);
+PLUGIN_API_HANDLE(load_binary);
+PLUGIN_API_HANDLE(get_global);
+PLUGIN_API_HANDLE(get_function);
+PLUGIN_API_HANDLE(data_alloc);
+PLUGIN_API_HANDLE(data_submit);
+PLUGIN_API_HANDLE(data_submit_async);
+PLUGIN_API_HANDLE(data_retrieve);
+PLUGIN_API_HANDLE(data_retrieve_async);
+PLUGIN_API_HANDLE(data_exchange);
+PLUGIN_API_HANDLE(data_exchange_async);
+PLUGIN_API_HANDLE(data_delete);
+PLUGIN_API_HANDLE(launch_kernel);
+PLUGIN_API_HANDLE(init_requires);
+PLUGIN_API_HANDLE(synchronize);
+PLUGIN_API_HANDLE(query_async);
+PLUGIN_API_HANDLE(set_info_flag);
+PLUGIN_API_HANDLE(print_device_info);
+PLUGIN_API_HANDLE(create_event);
+PLUGIN_API_HANDLE(record_event);
+PLUGIN_API_HANDLE(wait_event);
+PLUGIN_API_HANDLE(sync_event);
+PLUGIN_API_HANDLE(destroy_event);
+PLUGIN_API_HANDLE(init_async_info);
+PLUGIN_API_HANDLE(init_device_info);
+PLUGIN_API_HANDLE(data_lock);
+PLUGIN_API_HANDLE(data_unlock);
+PLUGIN_API_HANDLE(data_notify_mapped);
+PLUGIN_API_HANDLE(data_notify_unmapped);
+PLUGIN_API_HANDLE(set_device_offset);
+PLUGIN_API_HANDLE(initialize_record_replay);
+PLUGIN_API_HANDLE(use_auto_zero_copy);
diff --git a/libomptarget/src/PluginManager.cpp b/libomptarget/src/PluginManager.cpp
index 09f9c64..9289132 100644
--- a/libomptarget/src/PluginManager.cpp
+++ b/libomptarget/src/PluginManager.cpp
@@ -56,10 +56,10 @@
 
 Error PluginAdaptorTy::init() {
 
-#define PLUGIN_API_HANDLE(NAME, MANDATORY)                                     \
+#define PLUGIN_API_HANDLE(NAME)                                                \
   NAME = reinterpret_cast<decltype(NAME)>(                                     \
       LibraryHandler->getAddressOfSymbol(GETNAME(__tgt_rtl_##NAME)));          \
-  if (MANDATORY && !NAME) {                                                    \
+  if (!NAME) {                                                                 \
     return createStringError(inconvertibleErrorCode(),                         \
                              "Invalid plugin as necessary interface function " \
                              "(%s) was not found.\n",                          \