1 files changed, 1 insertions, 0 deletions
diff --git a/src/memdb.c b/src/memdb.c
index 321ef6ff7..1cc9fc2e6 100644
--- a/src/memdb.c
+++ b/src/memdb.c
@@ -505,6 +505,7 @@ static int memdbOpen(
   MemFile *pFile = (MemFile*)pFd;
   MemStore *p = 0;
   int szName;
+  UNUSED_PARAMETER(pVfs);
 
   memset(pFile, 0, sizeof(*pFile));
   szName = sqlite3Strlen30(zName);