+++ src/app/virtualbox/src/VBox/Storage/VMDK.cpp
@@ -6114,7 +6114,6 @@
                         }
                         pExtent->uGrainSectorAbs = uSectorExtentAbs;
                         pExtent->uGrain = uSectorExtentRel / pExtent->cSectorsPerGrain;
-                        Assert(uLBA == uSectorExtentRel);
                     }
                     memcpy(pvBuf, (uint8_t *)pExtent->pvGrain + VMDK_SECTOR2BYTE(uSectorInGrain), cbToRead);
                 }
@@ -6258,7 +6257,6 @@
                      * which is somewhere between expensive and impossible. */
                     rc = VERR_VD_VMDK_INVALID_STATE;
                     pExtent->uGrainSectorAbs = 0;
-                    AssertRC(rc);
                 }
                 else
                 {