Index: /trunk/src/VBox/Runtime/common/dvm/dvmbsdlabel.cpp
===================================================================
--- /trunk/src/VBox/Runtime/common/dvm/dvmbsdlabel.cpp	(revision 42386)
+++ /trunk/src/VBox/Runtime/common/dvm/dvmbsdlabel.cpp	(revision 42387)
@@ -349,4 +349,6 @@
     PRTDVMFMTINTERNAL pThis = hVolMgrFmt;
 
+    NOREF(cbRange);
+
     if (off <= RTDVM_BSDLBL_LBA2BYTE(1, pThis->pDisk))
         *pfUsed = true;
Index: /trunk/src/VBox/Runtime/common/dvm/dvmgpt.cpp
===================================================================
--- /trunk/src/VBox/Runtime/common/dvm/dvmgpt.cpp	(revision 42386)
+++ /trunk/src/VBox/Runtime/common/dvm/dvmgpt.cpp	(revision 42387)
@@ -347,4 +347,6 @@
 {
     PRTDVMFMTINTERNAL pThis = hVolMgrFmt;
+
+    NOREF(cbRange);
 
     if (off < 33*pThis->pDisk->cbSector)
Index: /trunk/src/VBox/Runtime/common/dvm/dvmmbr.cpp
===================================================================
--- /trunk/src/VBox/Runtime/common/dvm/dvmmbr.cpp	(revision 42386)
+++ /trunk/src/VBox/Runtime/common/dvm/dvmmbr.cpp	(revision 42387)
@@ -217,4 +217,6 @@
 {
     PRTDVMFMTINTERNAL pThis = hVolMgrFmt;
+
+    NOREF(cbRange);
 
     /* MBR uses the first sector only. */