diff --git a/src/include/utils/builtins.h b/src/include/utils/builtins.h
index 052a065569..3cf0686f7d 100644
--- a/src/include/utils/builtins.h
+++ b/src/include/utils/builtins.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: builtins.h,v 1.18 1997/05/14 04:33:41 thomas Exp $
+ * $Id: builtins.h,v 1.19 1997/06/23 15:03:38 thomas Exp $
  *
  * NOTES
  *    This should normally only be included by fmgr.h.
@@ -481,8 +481,6 @@ extern struct varlena *byteaSetByte(struct varlena *v, int32 n, int32 newByte);
 extern struct varlena *byteaSetBit(struct varlena *v, int32 n, int32 newBit);
 
 /* datetime.c */
-#if USE_NEW_DATE
-
 extern DateADT date_in(char *datestr);
 extern char *date_out(DateADT dateVal);
 extern bool date_eq(DateADT dateVal1, DateADT dateVal2);
@@ -502,29 +500,6 @@ extern DateADT datetime_date(DateTime *datetime);
 extern DateTime *datetime_datetime(DateADT date, TimeADT *time);
 extern DateADT abstime_date(AbsoluteTime abstime);
 
-#else
-
-extern int4 date_in(char *datestr);
-extern char *date_out(int4 dateVal);
-extern bool date_eq(int4 dateVal1, int4 dateVal2);
-extern bool date_ne(int4 dateVal1, int4 dateVal2);
-extern bool date_lt(int4 dateVal1, int4 dateVal2);
-extern bool date_le(int4 dateVal1, int4 dateVal2);
-extern bool date_gt(int4 dateVal1, int4 dateVal2);
-extern bool date_ge(int4 dateVal1, int4 dateVal2);
-extern int date_cmp(int4 dateVal1, int4 dateVal2);
-extern int4 date_larger(int4 dateVal1, int4 dateVal2);
-extern int4 date_smaller(int4 dateVal1, int4 dateVal2);
-extern int32 date_mi(int4 dateVal1, int4 dateVal2);
-extern int4 date_pli(int4 dateVal, int32 days);
-extern int4 date_mii(int4 dateVal, int32 days);
-extern DateTime *date_datetime(int4 date);
-extern int4 datetime_date(DateTime *datetime);
-extern DateTime *datetime_datetime(int4 date, TimeADT *time);
-extern int4 abstime_date(AbsoluteTime abstime);
-
-#endif
-
 extern TimeADT *time_in(char *timestr);
 extern char *time_out(TimeADT *time);
 extern bool time_eq(TimeADT *time1, TimeADT *time2);
diff --git a/src/include/utils/datetime.h b/src/include/utils/datetime.h
index 584f96074c..fd9546362f 100644
--- a/src/include/utils/datetime.h
+++ b/src/include/utils/datetime.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: datetime.h,v 1.2 1997/03/14 23:33:21 scrappy Exp $
+ * $Id: datetime.h,v 1.3 1997/06/23 15:03:41 thomas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,34 +15,8 @@
 
 #include "utils/dt.h"
 
-#if USE_NEW_DATE
-
 typedef int32	DateADT;
 
-#else
-
-/* these things look like structs, but we pass them by value so be careful
-   For example, passing an int -> DateADT is not portable! */
-typedef struct DateADT {
-    char	day;
-    char	month;
-    short	year;
-} DateADT;
-
-#endif
-
-#if USE_NEW_TIME
-
 typedef float8	TimeADT;
 
-#else
-
-typedef struct TimeADT {
-    short	hr;
-    short	min;
-    float	sec;
-} TimeADT;
-
-#endif
-
 #endif /* DATETIME_H */
diff --git a/src/include/utils/dt.h b/src/include/utils/dt.h
index eaf7cfa48e..a7a5f61e3e 100644
--- a/src/include/utils/dt.h
+++ b/src/include/utils/dt.h
@@ -8,7 +8,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: dt.h,v 1.11 1997/06/20 17:15:00 thomas Exp $
+ * $Id: dt.h,v 1.12 1997/06/23 15:03:45 thomas Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -36,15 +36,6 @@ typedef struct {
 } TimeSpan;
 
 
-/*
- * USE_NEW_DATE enables a more efficient Julian day-based date type.
- * USE_NEW_TIME enables a more efficient double-based time type.
- */
-
-#define USE_NEW_DATE	1
-#define USE_NEW_TIME	1
-
-
 /* ----------------------------------------------------------------
  *		time types + support macros
  *