diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index a42f6d5390..41d108e0b8 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -456,59 +456,6 @@ do_lookup_x (const char *undef_name, unsigned int new_hash,
       if (sym != NULL)
 	{
 	found_it:
-	  /* When UNDEF_MAP is NULL, which indicates we are called from
-	     do_lookup_x on relocation against protected data, we skip
-	     the data definion in the executable from copy reloc.  */
-	  if (ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA
-	      && undef_map == NULL
-	      && map->l_type == lt_executable
-	      && type_class == ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA)
-	    {
-	      const ElfW(Sym) *s;
-	      unsigned int i;
-
-#if ! ELF_MACHINE_NO_RELA
-	      if (map->l_info[DT_RELA] != NULL
-		  && map->l_info[DT_RELASZ] != NULL
-		  && map->l_info[DT_RELASZ]->d_un.d_val != 0)
-		{
-		  const ElfW(Rela) *rela
-		    = (const ElfW(Rela) *) D_PTR (map, l_info[DT_RELA]);
-		  unsigned int rela_count
-		    = map->l_info[DT_RELASZ]->d_un.d_val / sizeof (*rela);
-
-		  for (i = 0; i < rela_count; i++, rela++)
-		    if (elf_machine_type_class (ELFW(R_TYPE) (rela->r_info))
-			== ELF_RTYPE_CLASS_COPY)
-		      {
-			s = &symtab[ELFW(R_SYM) (rela->r_info)];
-			if (!strcmp (strtab + s->st_name, undef_name))
-			  goto skip;
-		      }
-		}
-#endif
-#if ! ELF_MACHINE_NO_REL
-	      if (map->l_info[DT_REL] != NULL
-		  && map->l_info[DT_RELSZ] != NULL
-		  && map->l_info[DT_RELSZ]->d_un.d_val != 0)
-		{
-		  const ElfW(Rel) *rel
-		    = (const ElfW(Rel) *) D_PTR (map, l_info[DT_REL]);
-		  unsigned int rel_count
-		    = map->l_info[DT_RELSZ]->d_un.d_val / sizeof (*rel);
-
-		  for (i = 0; i < rel_count; i++, rel++)
-		    if (elf_machine_type_class (ELFW(R_TYPE) (rel->r_info))
-			== ELF_RTYPE_CLASS_COPY)
-		      {
-			s = &symtab[ELFW(R_SYM) (rel->r_info)];
-			if (!strcmp (strtab + s->st_name, undef_name))
-			  goto skip;
-		      }
-		}
-#endif
-	    }
-
 	  /* Hidden and internal symbols are local, ignore them.  */
 	  if (__glibc_unlikely (dl_symbol_visibility_binds_local_p (sym)))
 	    goto skip;
@@ -854,43 +801,6 @@ _dl_lookup_symbol_x (const char *undef_name, struct link_map *undef_map,
       return 0;
     }
 
-  int protected = (*ref
-		   && ELFW(ST_VISIBILITY) ((*ref)->st_other) == STV_PROTECTED);
-  if (__glibc_unlikely (protected != 0))
-    {
-      /* It is very tricky.  We need to figure out what value to
-	 return for the protected symbol.  */
-      if (type_class == ELF_RTYPE_CLASS_PLT)
-	{
-	  if (current_value.s != NULL && current_value.m != undef_map)
-	    {
-	      current_value.s = *ref;
-	      current_value.m = undef_map;
-	    }
-	}
-      else
-	{
-	  struct sym_val protected_value = { NULL, NULL };
-
-	  for (scope = symbol_scope; *scope != NULL; i = 0, ++scope)
-	    if (do_lookup_x (undef_name, new_hash, &old_hash, *ref,
-			     &protected_value, *scope, i, version, flags,
-			     skip_map,
-			     (ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA
-			      && ELFW(ST_TYPE) ((*ref)->st_info) == STT_OBJECT
-			      && type_class == ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA)
-			     ? ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA
-			     : ELF_RTYPE_CLASS_PLT, NULL) != 0)
-	      break;
-
-	  if (protected_value.s != NULL && protected_value.m != undef_map)
-	    {
-	      current_value.s = *ref;
-	      current_value.m = undef_map;
-	    }
-	}
-    }
-
   /* We have to check whether this would bind UNDEF_MAP to an object
      in the global scope which was dynamically loaded.  In this case
      we have to prevent the latter from being unloaded unless the
diff --git a/sysdeps/arc/dl-sysdep.h b/sysdeps/arc/dl-sysdep.h
deleted file mode 100644
index cf4d160a73..0000000000
--- a/sysdeps/arc/dl-sysdep.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* System-specific settings for dynamic linker code.  ARC version.
-   Copyright (C) 2020-2022 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
-   <https://www.gnu.org/licenses/>.  */
-
-#include_next <dl-sysdep.h>
-
-#define DL_EXTERN_PROTECTED_DATA
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 6716e1f382..d3cbfd4f95 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -149,23 +149,13 @@ dl_symbol_visibility_binds_local_p (const ElfW(Sym) *sym)
    satisfied by any symbol in the executable.  Some architectures do
    not support copy relocations.  In this case we define the macro to
    zero so that the code for handling them gets automatically optimized
-   out.  ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA means address of protected
-   data defined in the shared library may be external, i.e., due to copy
-   relocation.  */
+   out.  */
 #define ELF_RTYPE_CLASS_PLT 1
 #ifndef DL_NO_COPY_RELOCS
 # define ELF_RTYPE_CLASS_COPY 2
 #else
 # define ELF_RTYPE_CLASS_COPY 0
 #endif
-/* If DL_EXTERN_PROTECTED_DATA is defined, address of protected data
-   defined in the shared library may be external, i.e., due to copy
-   relocation.   */
-#ifdef DL_EXTERN_PROTECTED_DATA
-# define ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA 4
-#else
-# define ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA 0
-#endif
 
 /* ELF uses the PF_x macros to specify the segment permissions, mmap
    uses PROT_xxx.  In most cases the three macros have the values 1, 2,
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 1f8d734215..3311631a3e 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -203,8 +203,7 @@ _dl_start_user:\n\
      || (type) == R_386_TLS_DTPOFF32 || (type) == R_386_TLS_TPOFF32	      \
      || (type) == R_386_TLS_TPOFF || (type) == R_386_TLS_DESC)		      \
     * ELF_RTYPE_CLASS_PLT)						      \
-   | (((type) == R_386_COPY) * ELF_RTYPE_CLASS_COPY)			      \
-   | (((type) == R_386_GLOB_DAT) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA))
+   | (((type) == R_386_COPY) * ELF_RTYPE_CLASS_COPY))
 
 /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
 #define ELF_MACHINE_JMP_SLOT	R_386_JMP_SLOT
diff --git a/sysdeps/nios2/dl-sysdep.h b/sysdeps/nios2/dl-sysdep.h
deleted file mode 100644
index 257b37c258..0000000000
--- a/sysdeps/nios2/dl-sysdep.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* System-specific settings for dynamic linker code.  Nios II version.
-   Copyright (C) 2009-2022 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
-   <https://www.gnu.org/licenses/>.  */
-
-#include_next <dl-sysdep.h>
-
-#define DL_EXTERN_PROTECTED_DATA
diff --git a/sysdeps/x86/dl-lookupcfg.h b/sysdeps/x86/dl-lookupcfg.h
index 18b3b49f6e..e136cc63af 100644
--- a/sysdeps/x86/dl-lookupcfg.h
+++ b/sysdeps/x86/dl-lookupcfg.h
@@ -20,10 +20,6 @@
 
 #include_next <dl-lookupcfg.h>
 
-/* Address of protected data defined in the shared library may be
-   external due to copy relocation.   */
-#define DL_EXTERN_PROTECTED_DATA
-
 struct link_map;
 
 extern void _dl_unmap (struct link_map *map) attribute_hidden;
diff --git a/sysdeps/x86_64/dl-machine.h b/sysdeps/x86_64/dl-machine.h
index 7f607f6dff..78aecfc9fd 100644
--- a/sysdeps/x86_64/dl-machine.h
+++ b/sysdeps/x86_64/dl-machine.h
@@ -181,10 +181,7 @@ _dl_start_user:\n\
    TLS variable, so undefined references should not be allowed to
    define the value.
    ELF_RTYPE_CLASS_COPY iff TYPE should not be allowed to resolve to one
-   of the main executable's symbols, as for a COPY reloc.
-   ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA iff TYPE describes relocation may
-   against protected data whose address be external due to copy relocation.
- */
+   of the main executable's symbols, as for a COPY reloc.  */
 #define elf_machine_type_class(type)					      \
   ((((type) == R_X86_64_JUMP_SLOT					      \
      || (type) == R_X86_64_DTPMOD64					      \
@@ -192,8 +189,7 @@ _dl_start_user:\n\
      || (type) == R_X86_64_TPOFF64					      \
      || (type) == R_X86_64_TLSDESC)					      \
     * ELF_RTYPE_CLASS_PLT)						      \
-   | (((type) == R_X86_64_COPY) * ELF_RTYPE_CLASS_COPY)			      \
-   | (((type) == R_X86_64_GLOB_DAT) * ELF_RTYPE_CLASS_EXTERN_PROTECTED_DATA))
+   | (((type) == R_X86_64_COPY) * ELF_RTYPE_CLASS_COPY))
 
 /* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
 #define ELF_MACHINE_JMP_SLOT	R_X86_64_JUMP_SLOT
