diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 2ef2bcb..d0d7414 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -452,11 +452,7 @@ START_THREAD_DEFN
       LIBC_PROBE (pthread_start, 3, (pthread_t) pd, pd->start_routine, pd->arg);
 
       /* Run the code the user provided.  */
-#ifdef CALL_THREAD_FCT
-      THREAD_SETMEM (pd, result, CALL_THREAD_FCT (pd));
-#else
       THREAD_SETMEM (pd, result, pd->start_routine (pd->arg));
-#endif
     }
 
   /* Call destructors for the thread_local TLS variables.  */
diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
index 04dc6ae..f9a6b11 100644
--- a/sysdeps/i386/nptl/tls.h
+++ b/sysdeps/i386/nptl/tls.h
@@ -394,22 +394,6 @@ tls_fill_user_desc (union user_desc_init *desc,
 	      abort (); })
 
 
-/* Call the user-provided thread function.  */
-#define CALL_THREAD_FCT(descr) \
-  ({ void *__res;							      \
-     int __ignore1, __ignore2;						      \
-     asm volatile ("pushl %%eax\n\t"					      \
-		   "pushl %%eax\n\t"					      \
-		   "pushl %%eax\n\t"					      \
-		   "pushl %%gs:%P4\n\t"					      \
-		   "call *%%gs:%P3\n\t"					      \
-		   "addl $16, %%esp"					      \
-		   : "=a" (__res), "=c" (__ignore1), "=d" (__ignore2)	      \
-		   : "i" (offsetof (struct pthread, start_routine)),	      \
-		     "i" (offsetof (struct pthread, arg)));		      \
-     __res; })
-
-
 /* Set the stack guard field in TCB head.  */
 #define THREAD_SET_STACK_GUARD(value) \
   THREAD_SETMEM (THREAD_SELF, header.stack_guard, value)
diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h
index 53b41bc..9b8ad82 100644
--- a/sysdeps/x86_64/nptl/tls.h
+++ b/sysdeps/x86_64/nptl/tls.h
@@ -326,18 +326,6 @@ typedef struct
 	      abort (); })
 
 
-# define CALL_THREAD_FCT(descr) \
-  ({ void *__res;							      \
-     asm volatile ("movq %%fs:%P2, %%rdi\n\t"				      \
-		   "callq *%%fs:%P1"					      \
-		   : "=a" (__res)					      \
-		   : "i" (offsetof (struct pthread, start_routine)),	      \
-		     "i" (offsetof (struct pthread, arg))		      \
-		   : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11",	      \
-		     "memory", "cc");					      \
-     __res; })
-
-
 /* Set the stack guard field in TCB head.  */
 # define THREAD_SET_STACK_GUARD(value) \
     THREAD_SETMEM (THREAD_SELF, header.stack_guard, value)
diff --git a/sysdeps/x86_64/x32/nptl/tls.h b/sysdeps/x86_64/x32/nptl/tls.h
deleted file mode 100644
index 68f65a6..0000000
--- a/sysdeps/x86_64/x32/nptl/tls.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* Definition for thread-local data handling.  nptl/x32 version.
-   Copyright (C) 2012-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _X32_TLS_H
-#define _X32_TLS_H	1
-
-#include_next <tls.h>
-
-#ifndef __ASSEMBLER__
-
-/* X32 doesn't support 32-bit indirect calls via memory.  Instead, we
-   load the 32-bit address from memory into the lower 32 bits of the
-   return-value register, which will automatically zero-extend the upper
-   32 bits of the return-value register.  We then do the indirect call
-   via the 64-bit return-value register.  */
-# undef CALL_THREAD_FCT
-# define CALL_THREAD_FCT(descr) \
-  ({ void *__res;							      \
-     asm volatile ("movl %%fs:%P2, %%edi\n\t"				      \
-		   "movl %%fs:%P1, %k0\n\t"				      \
-		   "callq *%q0"						      \
-		   : "=a" (__res)					      \
-		   : "i" (offsetof (struct pthread, start_routine)),	      \
-		     "i" (offsetof (struct pthread, arg))		      \
-		   : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11",	      \
-		     "memory", "cc");					      \
-     __res; })
-
-#endif /* __ASSEMBLER__ */
-
-#endif	/* x32/tls.h */
