diff --git a/ChangeLog b/ChangeLog
index 9d48c8beb3..61562e2a7c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2016-04-08  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #19925]
+	* sysdeps/unix/sysv/linux/alpha/bits/termios.h (XCASE): Do not
+	define if [!__USE_MISC && __USE_XOPEN2K].
+	* sysdeps/unix/sysv/linux/bits/termios.h (XCASE): Likewise.
+	* sysdeps/unix/sysv/linux/mips/bits/termios.h (XCASE): Likewise.
+	* sysdeps/unix/sysv/linux/powerpc/bits/termios.h (XCASE):
+	Likewise.
+	* sysdeps/unix/sysv/linux/sparc/bits/termios.h (XCASE): Likewise.
+	* conform/Makefile (test-xfail-XOPEN2K/termios.h/conform): Remove
+	variable.
+	(test-xfail-XOPEN2K8/termios.h/conform): Likewise.
+
 2016-04-07  Paul E. Murphy  <murphyp@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/powerpc64/multiarch/Makefile:
diff --git a/conform/Makefile b/conform/Makefile
index fddeaa1768..ed94ffc735 100644
--- a/conform/Makefile
+++ b/conform/Makefile
@@ -218,7 +218,6 @@ test-xfail-XOPEN2K/signal.h/conform = yes
 test-xfail-XOPEN2K/stdarg.h/conform = yes
 test-xfail-XOPEN2K/stdio.h/conform = yes
 test-xfail-XOPEN2K/sys/wait.h/conform = yes
-test-xfail-XOPEN2K/termios.h/conform = yes
 test-xfail-XOPEN2K/ucontext.h/conform = yes
 test-xfail-POSIX2008/arpa/inet.h/conform = yes
 test-xfail-POSIX2008/netdb.h/conform = yes
@@ -230,7 +229,6 @@ test-xfail-XOPEN2K8/limits.h/conform = yes
 test-xfail-XOPEN2K8/signal.h/conform = yes
 test-xfail-XOPEN2K8/stdio.h/conform = yes
 test-xfail-XOPEN2K8/sys/wait.h/conform = yes
-test-xfail-XOPEN2K8/termios.h/conform = yes
 
 conformtest-cc-flags = -I../include $(+sysdep-includes) $(sysincludes) -I..
 $(conformtest-header-tests): $(objpfx)%/conform.out: \
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios.h b/sysdeps/unix/sysv/linux/alpha/bits/termios.h
index d9b5be9f44..ddb0e427a7 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios.h
@@ -185,7 +185,7 @@ struct termios
 /* c_lflag bits */
 #define ISIG	0x00000080
 #define ICANON	0x00000100
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
 # define XCASE	0x00004000
 #endif
 #define ECHO	0x00000008
diff --git a/sysdeps/unix/sysv/linux/bits/termios.h b/sysdeps/unix/sysv/linux/bits/termios.h
index bbf093dc67..e09f826e0f 100644
--- a/sysdeps/unix/sysv/linux/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/bits/termios.h
@@ -177,7 +177,7 @@ struct termios
 /* c_lflag bits */
 #define ISIG	0000001
 #define ICANON	0000002
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
 # define XCASE	0000004
 #endif
 #define ECHO	0000010
diff --git a/sysdeps/unix/sysv/linux/mips/bits/termios.h b/sysdeps/unix/sysv/linux/mips/bits/termios.h
index 7013cdd823..8ca3f98d22 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/termios.h
@@ -175,7 +175,7 @@ struct termios
 /* c_lflag bits */
 #define ISIG	0000001		/* Enable signals.  */
 #define ICANON	0000002		/* Do erase and kill processing.  */
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
 # define XCASE	0000004
 #endif
 #define ECHO	0000010		/* Enable echo.  */
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
index e13ea3f676..ba8a388a5a 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
@@ -187,7 +187,7 @@ struct termios {
 /* c_lflag bits */
 #define ISIG	0x00000080
 #define ICANON	0x00000100
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
 # define XCASE	0x00004000
 #endif
 #define ECHO	0x00000008
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/termios.h b/sysdeps/unix/sysv/linux/sparc/bits/termios.h
index 65673aafdc..3d04f415df 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/termios.h
@@ -181,7 +181,7 @@ struct termios
 /* c_lflag bits */
 #define ISIG	0x00000001
 #define ICANON	0x00000002
-#if defined __USE_MISC || defined __USE_XOPEN
+#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_XOPEN2K)
 # define XCASE	0x00000004
 #endif
 #define ECHO	0x00000008