diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
index f3cfd48c44..aac9b613d5 100644
--- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -17,9 +17,6 @@
License along with the GNU C Library; if not, see
. */
-/* i386 uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
# define __ASSUME_SOCKET_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 5543d92d7e..0ac1616b33 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -37,10 +37,6 @@
introduced. If somebody cares these values can afterwards be
corrected. */
-/* Some architectures use the socketcall multiplexer for some or all
- socket-related operations instead of separate syscalls.
- __ASSUME_SOCKETCALL is defined for such architectures. */
-
/* The changed st_ino field appeared in 2.4.0-test6. However, SH is lame,
and still does not have a 64-bit inode field. */
#define __ASSUME_ST_INO_64_BIT 1
diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 6980f922e3..c17eec15f0 100644
--- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -17,9 +17,6 @@
License along with the GNU C Library. If not, see
. */
-/* m68k uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
# define __ASSUME_SOCKET_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index dfee428f49..7fb6c0cbb2 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -16,9 +16,6 @@
. */
-/* MicroBlaze uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* All supported kernel versions for MicroBlaze have these syscalls. */
#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_BIND_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
index 503f562d76..1d05a5d1b6 100644
--- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
@@ -17,9 +17,6 @@
License along with the GNU C Library; if not, see
. */
-/* PowerPC uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* New syscalls added for PowerPC in 2.6.37. */
#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_BIND_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
index f718264926..ff0c4c8336 100644
--- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -17,9 +17,6 @@
License along with the GNU C Library; if not, see
. */
-/* S/390 uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* Direct socketcalls available with kernel 4.3. */
#if __LINUX_KERNEL_VERSION >= 0x040300
# define __ASSUME_SOCKET_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 60b6a8126b..8b9ff0c445 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -20,9 +20,6 @@
#ifndef __KERNEL_FEATURES_SH__
# define __KERNEL_FEATURES_SH__
-/* SH uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
/* These syscalls were added for SH in 2.6.37. */
#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_BIND_SYSCALL 1
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index fd48081a77..b4a7227be2 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -17,9 +17,6 @@
License along with the GNU C Library; if not, see
. */
-/* SPARC uses socketcall. */
-#define __ASSUME_SOCKETCALL 1
-
#include_next
/* 32-bit SPARC kernels do not support