diff --git a/README b/README
index a451819..cfbd39a 100644
--- a/README
+++ b/README
@@ -1125,10 +1125,21 @@
 		BOOTP requests:		delay 0 ... 8 sec
 
 - DHCP Advanced Options:
-		CONFIG_BOOTP_MASK
+		You can fine tune the DHCP functionality by defining
+		CONFIG_BOOTP_* symbols:
 
-		You can fine tune the DHCP functionality by adding
-		these flags to the CONFIG_BOOTP_MASK define:
+		CONFIG_BOOTP_SUBNETMASK
+		CONFIG_BOOTP_GATEWAY
+		CONFIG_BOOTP_HOSTNAME
+		CONFIG_BOOTP_NISDOMAIN
+		CONFIG_BOOTP_BOOTPATH
+		CONFIG_BOOTP_BOOTFILESIZE
+		CONFIG_BOOTP_DNS
+		CONFIG_BOOTP_DNS2
+		CONFIG_BOOTP_SEND_HOSTNAME
+		CONFIG_BOOTP_NTPSERVER
+		CONFIG_BOOTP_TIMEOFFSET
+		CONFIG_BOOTP_VENDOREX
 
 		CONFIG_BOOTP_DNS2 - If a DHCP client requests the DNS
 		serverip from a DHCP server, it is possible that more
@@ -1137,15 +1148,14 @@
 		serverip will be stored in the additional environment
 		variable "dnsip2". The first DNS serverip is always
 		stored in the variable "dnsip", when CONFIG_BOOTP_DNS
-		is added to the CONFIG_BOOTP_MASK.
+		is defined.
 
 		CONFIG_BOOTP_SEND_HOSTNAME - Some DHCP servers are capable
 		to do a dynamic update of a DNS server. To do this, they
 		need the hostname of the DHCP requester.
-		If CONFIG_BOOP_SEND_HOSTNAME is added to the
-		CONFIG_BOOTP_MASK, the content of the "hostname"
-		environment variable is passed as option 12 to
-		the DHCP server.
+		If CONFIG_BOOP_SEND_HOSTNAME is defined, the content
+		of the "hostname" environment variable is passed as
+		option 12 to the DHCP server.
 
  - CDP Options:
 		CONFIG_CDP_DEVICE_ID
diff --git a/common/cmd_net.c b/common/cmd_net.c
index da55f14..8f766c8 100644
--- a/common/cmd_net.c
+++ b/common/cmd_net.c
@@ -128,7 +128,7 @@
 		ip_to_string (NetOurDNSIP, tmp);
 		setenv ("dnsip", tmp);
 	}
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
 	if (NetOurDNS2IP) {
 		ip_to_string (NetOurDNS2IP, tmp);
 		setenv ("dnsip2", tmp);
@@ -138,14 +138,14 @@
 		setenv ("domain", NetOurNISDomain);
 
 #if defined(CONFIG_CMD_SNTP) \
-    && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_TIMEOFFSET)
+    && defined(CONFIG_BOOTP_TIMEOFFSET)
 	if (NetTimeOffset) {
 		sprintf (tmp, "%d", NetTimeOffset);
 		setenv ("timeoffset", tmp);
 	}
 #endif
 #if defined(CONFIG_CMD_SNTP) \
-    && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NTPSERVER)
+    && defined(CONFIG_BOOTP_NTPSERVER)
 	if (NetNtpServerIP) {
 		ip_to_string (NetNtpServerIP, tmp);
 		setenv ("ntpserverip", tmp);
diff --git a/include/cmd_confdefs.h b/include/cmd_confdefs.h
deleted file mode 100644
index 3bfb2ae..0000000
--- a/include/cmd_confdefs.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * (C) Copyright 2000-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#ifndef _CMD_CONFIG_H
-#define _CMD_CONFIG_H
-
-/*
- * Temporary placeholder until all users directly
- * include the proper include file, "config_bootp.h".
- */
-#include "config_bootp.h"
-
-#endif	/* _CMD_CONFIG_H */
diff --git a/include/config_bootp.h b/include/config_bootp.h
deleted file mode 100644
index f0c9360..0000000
--- a/include/config_bootp.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright 2007 Freescale Semiconductor, Inc.
- *
- * This file is licensed under the terms of the GNU General Public
- * License Version 2. This file is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef _CONFIG_BOOTP_H
-#define _CONFIG_BOOTP_H
-
-/*
- * Optional BOOTP fields
- */
-
-#define CONFIG_BOOTP_SUBNETMASK		0x00000001
-#define CONFIG_BOOTP_GATEWAY		0x00000002
-#define CONFIG_BOOTP_HOSTNAME		0x00000004
-#define CONFIG_BOOTP_NISDOMAIN		0x00000008
-#define CONFIG_BOOTP_BOOTPATH		0x00000010
-#define CONFIG_BOOTP_BOOTFILESIZE	0x00000020
-#define CONFIG_BOOTP_DNS		0x00000040
-#define CONFIG_BOOTP_DNS2		0x00000080
-#define CONFIG_BOOTP_SEND_HOSTNAME	0x00000100
-#define CONFIG_BOOTP_NTPSERVER		0x00000200
-#define CONFIG_BOOTP_TIMEOFFSET		0x00000400
-
-#define CONFIG_BOOTP_VENDOREX		0x80000000
-
-#define CONFIG_BOOTP_ALL		(~CONFIG_BOOTP_VENDOREX)
-
-#define CONFIG_BOOTP_DEFAULT		(CONFIG_BOOTP_SUBNETMASK | \
-					CONFIG_BOOTP_GATEWAY	 | \
-					CONFIG_BOOTP_HOSTNAME	 | \
-					CONFIG_BOOTP_BOOTPATH)
-
-#ifndef CONFIG_BOOTP_MASK
-#define CONFIG_BOOTP_MASK		CONFIG_BOOTP_DEFAULT
-#endif
-
-#endif	/* _CONFIG_BOOTP_H */
diff --git a/include/net.h b/include/net.h
index f6f33ff..9671948 100644
--- a/include/net.h
+++ b/include/net.h
@@ -296,7 +296,7 @@
 extern IPaddr_t		NetOurGatewayIP;	/* Our gateway IP addresse	*/
 extern IPaddr_t		NetOurSubnetMask;	/* Our subnet mask (0 = unknown)*/
 extern IPaddr_t		NetOurDNSIP;	 /* Our Domain Name Server (0 = unknown)*/
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
 extern IPaddr_t		NetOurDNS2IP;	 /* Our 2nd Domain Name Server (0 = unknown)*/
 #endif
 extern char		NetOurNISDomain[32];	/* Our NIS domain		*/
diff --git a/net/bootp.c b/net/bootp.c
index 0c7c193..ac9455e 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -76,7 +76,7 @@
 }
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
+#if defined(CONFIG_BOOTP_VENDOREX)
 extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */
 extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL  */
 #endif
@@ -181,7 +181,7 @@
 		if (NetOurDNSIP == 0) {
 			NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2));
 		}
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
 		if ((NetOurDNS2IP == 0) && (size > 4)) {
 			NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
 		}
@@ -383,10 +383,10 @@
 	u8 *start = e;
 	u8 *cnt;
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
+#if defined(CONFIG_BOOTP_VENDOREX)
 	u8 *x;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME)
+#if defined(CONFIG_BOOTP_SEND_HOSTNAME)
 	char *hostname;
 #endif
 
@@ -425,7 +425,7 @@
 		*e++ = tmp >> 8;
 		*e++ = tmp & 0xff;
 	}
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME)
+#if defined(CONFIG_BOOTP_SEND_HOSTNAME)
 	if ((hostname = getenv ("hostname"))) {
 		int hostnamelen = strlen (hostname);
 
@@ -436,7 +436,7 @@
 	}
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
+#if defined(CONFIG_BOOTP_VENDOREX)
 	if ((x = dhcp_vendorex_prep (e)))
 		return x - start;
 #endif
@@ -444,39 +444,39 @@
 	*e++ = 55;		/* Parameter Request List */
 	 cnt = e++;		/* Pointer to count of requested items */
 	*cnt = 0;
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK)
+#if defined(CONFIG_BOOTP_SUBNETMASK)
 	*e++  = 1;		/* Subnet Mask */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_TIMEOFFSET)
+#if defined(CONFIG_BOOTP_TIMEOFFSET)
 	*e++  = 2;
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY)
+#if defined(CONFIG_BOOTP_GATEWAY)
 	*e++  = 3;		/* Router Option */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS)
+#if defined(CONFIG_BOOTP_DNS)
 	*e++  = 6;		/* DNS Server(s) */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME)
+#if defined(CONFIG_BOOTP_HOSTNAME)
 	*e++  = 12;		/* Hostname */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE)
+#if defined(CONFIG_BOOTP_BOOTFILESIZE)
 	*e++  = 13;		/* Boot File Size */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH)
+#if defined(CONFIG_BOOTP_BOOTPATH)
 	*e++  = 17;		/* Boot path */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN)
+#if defined(CONFIG_BOOTP_NISDOMAIN)
 	*e++  = 40;		/* NIS Domain name request */
 	*cnt += 1;
 #endif
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NTPSERVER)
+#if defined(CONFIG_BOOTP_NTPSERVER)
 	*e++  = 42;
 	*cnt += 1;
 #endif
@@ -493,7 +493,7 @@
 
 #else	/* CFG_CMD_DHCP */
 /*
- *	Warning: no field size check - change CONFIG_BOOTP_MASK at your own risk!
+ *	Warning: no field size check - change CONFIG_BOOTP_* at your own risk!
  */
 static int BootpExtended (u8 * e)
 {
@@ -515,43 +515,43 @@
 	*e++ = (576 - 312 + OPT_SIZE) & 0xff;
 #endif /* CFG_CMD_DHCP */
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK)
+#if defined(CONFIG_BOOTP_SUBNETMASK)
 	*e++ = 1;		/* Subnet mask request */
 	*e++ = 4;
 	e   += 4;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY)
+#if defined(CONFIG_BOOTP_GATEWAY)
 	*e++ = 3;		/* Default gateway request */
 	*e++ = 4;
 	e   += 4;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS)
+#if defined(CONFIG_BOOTP_DNS)
 	*e++ = 6;		/* Domain Name Server */
 	*e++ = 4;
 	e   += 4;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME)
+#if defined(CONFIG_BOOTP_HOSTNAME)
 	*e++ = 12;		/* Host name request */
 	*e++ = 32;
 	e   += 32;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE)
+#if defined(CONFIG_BOOTP_BOOTFILESIZE)
 	*e++ = 13;		/* Boot file size */
 	*e++ = 2;
 	e   += 2;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH)
+#if defined(CONFIG_BOOTP_BOOTPATH)
 	*e++ = 17;		/* Boot path */
 	*e++ = 32;
 	e   += 32;
 #endif
 
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN)
+#if defined(CONFIG_BOOTP_NISDOMAIN)
 	*e++ = 40;		/* NIS Domain name request */
 	*e++ = 32;
 	e   += 32;
@@ -726,7 +726,7 @@
 		case 1:
 			NetCopyIP (&NetOurSubnetMask, (popt + 2));
 			break;
-#if defined(CONFIG_CMD_SNTP) && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_TIMEOFFSET)
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET)
 		case 2:		/* Time offset	*/
 			NetCopyLong (&NetTimeOffset, (ulong *) (popt + 2));
 			NetTimeOffset = ntohl (NetTimeOffset);
@@ -737,7 +737,7 @@
 			break;
 		case 6:
 			NetCopyIP (&NetOurDNSIP, (popt + 2));
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
 			if (*(popt + 1) > 4) {
 				NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4));
 			}
@@ -755,7 +755,7 @@
 			memcpy (&NetOurRootPath, popt + 2, size);
 			NetOurRootPath[size] = 0;
 			break;
-#if defined(CONFIG_CMD_SNTP) && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NTPSERVER)
+#if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER)
 		case 42:	/* NTP server IP */
 			NetCopyIP (&NetNtpServerIP, (popt + 2));
 			break;
@@ -801,7 +801,7 @@
 			}
 			break;
 		default:
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
+#if defined(CONFIG_BOOTP_VENDOREX)
 			if (dhcp_vendorex_proc (popt))
 				break;
 #endif
diff --git a/net/net.c b/net/net.c
index 1b7b4a8..f96eb28 100644
--- a/net/net.c
+++ b/net/net.c
@@ -110,7 +110,7 @@
 IPaddr_t	NetOurSubnetMask=0;		/* Our subnet mask (0=unknown)	*/
 IPaddr_t	NetOurGatewayIP=0;		/* Our gateways IP address	*/
 IPaddr_t	NetOurDNSIP=0;			/* Our DNS IP address		*/
-#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+#if defined(CONFIG_BOOTP_DNS2)
 IPaddr_t	NetOurDNS2IP=0;			/* Our 2nd DNS IP address	*/
 #endif
 char		NetOurNISDomain[32]={0,};	/* Our NIS domain		*/