diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index 95c47c491..a9189adc6 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -1783,8 +1783,7 @@ fhandler_pty_master::setup ()
 				     | FILE_FLAG_FIRST_PIPE_INSTANCE,
 				PIPE_WAIT | PIPE_TYPE_MESSAGE
 				| PIPE_READMODE_MESSAGE
-				| (wincap.has_pipe_reject_remote_clients ()
-				   ? PIPE_REJECT_REMOTE_CLIENTS : 0),
+				| PIPE_REJECT_REMOTE_CLIENTS,
 				1, 4096, 4096, 0, &sec_all_nih);
   if (master_ctl == INVALID_HANDLE_VALUE)
     {
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc
index 4ccfef69c..5f4df131b 100644
--- a/winsup/cygwin/pipe.cc
+++ b/winsup/cygwin/pipe.cc
@@ -229,9 +229,7 @@ fhandler_pipe::create (LPSECURITY_ATTRIBUTES sa_ptr, PHANDLE r, PHANDLE w,
   char pipename[MAX_PATH];
   size_t len = __small_sprintf (pipename, PIPE_INTRO "%S-",
 				      &cygheap->installation_key);
-  DWORD pipe_mode = PIPE_READMODE_BYTE
-		    | (wincap.has_pipe_reject_remote_clients ()
-		       ? PIPE_REJECT_REMOTE_CLIENTS : 0);
+  DWORD pipe_mode = PIPE_READMODE_BYTE | PIPE_REJECT_REMOTE_CLIENTS;
   if (!name)
     pipe_mode |= pipe_byte ? PIPE_TYPE_BYTE : PIPE_TYPE_MESSAGE;
   else
diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index dd2bdff98..eb9f5c0a1 100644
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -25,7 +25,6 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:false,
   has_broken_alloc_console:false,
   has_console_logon_sid:false,
-  has_pipe_reject_remote_clients:false,
   terminate_thread_frees_stack:false,
   has_precise_system_time:false,
   has_microsoft_accounts:false,
@@ -44,7 +43,6 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:false,
   has_broken_alloc_console:false,
   has_console_logon_sid:false,
-  has_pipe_reject_remote_clients:false,
   terminate_thread_frees_stack:false,
   has_precise_system_time:false,
   has_microsoft_accounts:false,
@@ -63,7 +61,6 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:true,
   has_broken_alloc_console:false,
   has_console_logon_sid:false,
-  has_pipe_reject_remote_clients:true,
   terminate_thread_frees_stack:true,
   has_precise_system_time:false,
   has_microsoft_accounts:false,
@@ -82,7 +79,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:true,
   has_broken_alloc_console:true,
   has_console_logon_sid:true,
-  has_pipe_reject_remote_clients:true,
   terminate_thread_frees_stack:true,
   has_precise_system_time:false,
   has_microsoft_accounts:false,
@@ -101,7 +97,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:false,
   has_broken_alloc_console:true,
   has_console_logon_sid:true,
-  has_pipe_reject_remote_clients:true,
   terminate_thread_frees_stack:true,
   has_precise_system_time:true,
   has_microsoft_accounts:true,
@@ -120,7 +115,6 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
   has_gaa_largeaddress_bug:false,
   has_broken_alloc_console:true,
   has_console_logon_sid:true,
-  has_pipe_reject_remote_clients:true,
   terminate_thread_frees_stack:true,
   has_precise_system_time:true,
   has_microsoft_accounts:true,
@@ -139,7 +133,6 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
   has_gaa_largeaddress_bug:false,
   has_broken_alloc_console:true,
   has_console_logon_sid:true,
-  has_pipe_reject_remote_clients:true,
   terminate_thread_frees_stack:true,
   has_precise_system_time:true,
   has_microsoft_accounts:true,
diff --git a/winsup/cygwin/wincap.h b/winsup/cygwin/wincap.h
index b3e613442..391cce74c 100644
--- a/winsup/cygwin/wincap.h
+++ b/winsup/cygwin/wincap.h
@@ -18,7 +18,6 @@ struct wincaps
   unsigned has_gaa_largeaddress_bug			: 1;
   unsigned has_broken_alloc_console			: 1;
   unsigned has_console_logon_sid			: 1;
-  unsigned has_pipe_reject_remote_clients		: 1;
   unsigned terminate_thread_frees_stack			: 1;
   unsigned has_precise_system_time			: 1;
   unsigned has_microsoft_accounts			: 1;
@@ -62,7 +61,6 @@ public:
   bool	IMPLEMENT (has_gaa_largeaddress_bug)
   bool	IMPLEMENT (has_broken_alloc_console)
   bool	IMPLEMENT (has_console_logon_sid)
-  bool	IMPLEMENT (has_pipe_reject_remote_clients)
   bool	IMPLEMENT (terminate_thread_frees_stack)
   bool	IMPLEMENT (has_precise_system_time)
   bool	IMPLEMENT (has_microsoft_accounts)