diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c
index 1c290f2cf5..95e13e72fd 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/slru.c,v 1.4 2003/08/04 00:43:15 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/slru.c,v 1.5 2003/08/08 14:39:45 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -742,7 +742,9 @@ SimpleLruSetLatestPage(SlruCtl ctl, int pageno)
 void
 SimpleLruFlush(SlruCtl ctl, bool checkpoint)
 {
+#ifdef USE_ASSERT_CHECKING		/* only used in Assert() */
 	SlruShared	shared = (SlruShared) ctl->shared;
+#endif
 	int			slotno;
 
 	LWLockAcquire(ctl->locks->ControlLock, LW_EXCLUSIVE);
diff --git a/src/backend/executor/execScan.c b/src/backend/executor/execScan.c
index 94c9074f34..36593174d7 100644
--- a/src/backend/executor/execScan.c
+++ b/src/backend/executor/execScan.c
@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/executor/execScan.c,v 1.25 2003/08/04 02:39:58 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/executor/execScan.c,v 1.26 2003/08/08 14:39:45 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -196,7 +196,9 @@ tlist_matches_tupdesc(List *tlist, Index varno, TupleDesc tupdesc)
 
 	for (attrno = 1; attrno <= numattrs; attrno++)
 	{
+#ifdef USE_ASSERT_CHECKING		/* only used in Assert() */
 		Form_pg_attribute att_tup = tupdesc->attrs[attrno - 1];
+#endif
 		Var		   *var;
 
 		if (tlist == NIL)