diff --git a/examples/README.txt b/examples/README.txt
index 6b67a9837..5aaed9c0e 100644
--- a/examples/README.txt
+++ b/examples/README.txt
@@ -895,7 +895,6 @@ examples/netloop
CONFIG_NET_LOOPBACK - Requires local loopback supprt
CONFIG_NET_TCP - Requires TCP support with the following:
CONFIG_NET_TCPBACKLOG
- CONFIG_NET_TCP_READAHEAD
CONFIG_NET_TCP_WRITE_BUFFERS
CONFIG_NET_IPv4 - Currently supports only IPv4
@@ -1229,7 +1228,6 @@ examples/poll
CONFIG_NET - Defined for general network support
CONFIG_NET_TCP - Defined for TCP/IP support
- CONFIG_NET_TCP_READAHEAD - Defined
CONFIG_NET_NTCP_READAHEAD_BUFFERS - Defined to be greater than zero
CONFIG_EXAMPLES_POLL_NOMAC - (May be defined to use software assigned MAC)
diff --git a/examples/netloop/Kconfig b/examples/netloop/Kconfig
index bbb6ae615..b24632025 100644
--- a/examples/netloop/Kconfig
+++ b/examples/netloop/Kconfig
@@ -6,7 +6,7 @@
config EXAMPLES_NETLOOP
tristate "Local loopback example"
default n
- depends on NET_LOOPBACK && NET_TCP && NET_TCPBACKLOG && NET_TCP_READAHEAD && NET_TCP_WRITE_BUFFERS && NET_IPv4
+ depends on NET_LOOPBACK && NET_TCP && NET_TCPBACKLOG && NET_TCP_WRITE_BUFFERS && NET_IPv4
---help---
Enable the local loopback example
diff --git a/examples/netloop/netloop.h b/examples/netloop/netloop.h
index ea18f1322..6d890f2da 100644
--- a/examples/netloop/netloop.h
+++ b/examples/netloop/netloop.h
@@ -1,7 +1,7 @@
/****************************************************************************
* examples/netloop/netloop.h
*
- * Copyright (C) 2015 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2015, 2020 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -56,7 +56,6 @@
* CONFIG_NET - Network support must be enabled
* CONFIG_NET_TCP - Only support on TCP (because read-ahead
* buffering s not yet support for UDP)
- * CONFIG_NET_TCP_READAHEAD - TCP/IP read-ahead buffering must be enabled
*/
@@ -64,8 +63,8 @@
# error Network socket support not enabled
#endif
-#if !defined(CONFIG_NET_TCP) && !defined(CONFIG_NET_TCP_READAHEAD) || \
- !defined(CONFIG_NET_TCPBACKLOG) || !defined(CONFIG_NET_TCP_WRITE_BUFFERS)
+#if !defined(CONFIG_NET_TCP) || !defined(CONFIG_NET_TCPBACKLOG) || \
+ !defined(CONFIG_NET_TCP_WRITE_BUFFERS)
# error TCP not configured correctly
#endif
diff --git a/examples/poll/poll_internal.h b/examples/poll/poll_internal.h
index 5229ae43d..6a1d66341 100644
--- a/examples/poll/poll_internal.h
+++ b/examples/poll/poll_internal.h
@@ -1,7 +1,7 @@
/****************************************************************************
* examples/poll/poll_internal.h
*
- * Copyright (C) 2008, 2009, 2014 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2008, 2009, 2014, 2020 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -56,11 +56,9 @@
* CONFIG_NET - Network support must be enabled
* CONFIG_NET_TCP - Only support on TCP (because read-ahead
* buffering s not yet support for UDP)
- * CONFIG_NET_TCP_READAHEAD - TCP/IP read-ahead buffering must be enabled
*/
-#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP) && \
- defined(CONFIG_NET_TCP_READAHEAD)
+#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP)
# define HAVE_NETPOLL 1
#else
# undef HAVE_NETPOLL
diff --git a/netutils/thttpd/config.h b/netutils/thttpd/config.h
index e7e511348..41eb27c99 100644
--- a/netutils/thttpd/config.h
+++ b/netutils/thttpd/config.h
@@ -1,7 +1,7 @@
/****************************************************************************
* netutils/thttpd/config.h
*
- * Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ * Copyright (C) 2009, 2020 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@
#undef CONFIG_THTTPD
#if defined(CONFIG_NET) && defined(CONFIG_NET_TCP) && \
defined(CONFIG_NET_TCPBACKLOG) && !defined(CONFIG_DISABLE_ENVIRON) && \
- !defined(CONFIG_SDCLONE_DISABLE) && defined(CONFIG_NET_TCP_READAHEAD)
+ !defined(CONFIG_SDCLONE_DISABLE)
# define CONFIG_THTTPD 1