Index: /trunk/src/VBox/Main/src-client/AudioDriver.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/AudioDriver.cpp	(revision 70579)
+++ /trunk/src/VBox/Main/src-client/AudioDriver.cpp	(revision 70580)
@@ -234,6 +234,4 @@
     Assert(pThis->muLUN != UINT8_MAX);
 
-    int vrc = VINF_SUCCESS;
-
     AudioDriverCfg *pCfg = &pThis->mCfg;
 
@@ -241,5 +239,5 @@
              pCfg->strName.c_str(), pCfg->strDev.c_str(), pCfg->uInst, pThis->muLUN));
 
-    vrc = PDMR3DriverDetach(ptrVM.rawUVM(), pCfg->strDev.c_str(), pCfg->uInst, pThis->muLUN, "AUDIO",
+    int vrc = PDMR3DriverDetach(ptrVM.rawUVM(), pCfg->strDev.c_str(), pCfg->uInst, pThis->muLUN, "AUDIO",
                             0 /* iOccurrence */, 0 /* fFlags */);
     if (RT_SUCCESS(vrc))