Index: /trunk/src/VBox/Main/src-server/MachineImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/MachineImpl.cpp	(revision 78426)
+++ /trunk/src/VBox/Main/src-server/MachineImpl.cpp	(revision 78427)
@@ -15204,4 +15204,5 @@
     if (FAILED(rc)) return rc;
 
+    /* the setter does more than just the assignment, so use it */
     ChipsetType_T enmChipsetType;
     rc = osType->COMGETTER(RecommendedChipset)(&enmChipsetType);
@@ -15214,5 +15215,4 @@
     if (FAILED(rc)) return rc;
 
-    size_t mnet = mNetworkAdapters.size(); NOREF(mnet);
     /* Apply network adapters defaults */
     for (ULONG slot = 0; slot < mNetworkAdapters.size(); ++slot)