Index: src/btree.c
==================================================================
--- src/btree.c
+++ src/btree.c
@@ -4573,10 +4573,12 @@
     xRecordCompare = sqlite3VdbeFindCompare(pIdxKey);
     assert( pIdxKey->default_rc==1 
          || pIdxKey->default_rc==0 
          || pIdxKey->default_rc==-1
     );
+  }else{
+    xRecordCompare = 0; /* Not actually used.  Avoids a compiler warning. */
   }
 
   rc = moveToRoot(pCur);
   if( rc ){
     return rc;

Index: src/vdbeaux.c
==================================================================
--- src/vdbeaux.c
+++ src/vdbeaux.c
@@ -3573,11 +3573,10 @@
 static int vdbeRecordCompareInt(
   int nKey1, const void *pKey1, /* Left key */
   const UnpackedRecord *pPKey2, /* Right key */
   int bSkip                     /* Ignored */
 ){
-  int szHdr = *(const u8*)pKey1;
   const u8 *aKey = &((const u8*)pKey1)[*(const u8*)pKey1 & 0x3F];
   int serial_type = ((const u8*)pKey1)[1];
   int res;
   i64 v = pPKey2->aMem[0].u.i;
   i64 lhs;