diff --git a/gcc/config/aarch64/aarch64-protos.h b/gcc/config/aarch64/aarch64-protos.h
index 1d3f94c813e..95972556c56 100644
--- a/gcc/config/aarch64/aarch64-protos.h
+++ b/gcc/config/aarch64/aarch64-protos.h
@@ -24,6 +24,7 @@
 
 #include "input.h"
 #include "config/arm/aarch-common.h"
+#include "config/mingw/winnt.h"
 
 /* SYMBOL_SMALL_ABSOLUTE: Generate symbol accesses through
    high and lo relocs that calculate the base address using a PC
@@ -1110,11 +1111,6 @@ extern void aarch64_output_patchable_area (unsigned int, bool);
 
 extern void aarch64_adjust_reg_alloc_order ();
 
-extern void mingw_pe_maybe_record_exported_symbol (tree, const char *, int);
-extern unsigned int mingw_pe_section_type_flags (tree, const char *, int);
-extern void mingw_pe_unique_section (tree, int);
-extern void mingw_pe_encode_section_info (tree, rtx, int);
-
 bool aarch64_optimize_mode_switching (aarch64_mode_entity);
 void aarch64_restore_za (rtx);
 
diff --git a/gcc/config/aarch64/cygming.h b/gcc/config/aarch64/cygming.h
index 2e7b01feb76..0d048879311 100644
--- a/gcc/config/aarch64/cygming.h
+++ b/gcc/config/aarch64/cygming.h
@@ -51,10 +51,6 @@ still needed for compilation.  */
 #include <stdio.h>
 #endif
 
-extern void mingw_pe_asm_named_section (const char *, unsigned int, tree);
-extern void mingw_pe_declare_function_type (FILE *file, const char *name,
-	int pub);
-
 #define TARGET_ASM_NAMED_SECTION  mingw_pe_asm_named_section
 
 /* Select attributes for named sections.  */
diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
index dbc861fb1ea..96368521380 100644
--- a/gcc/config/i386/i386-protos.h
+++ b/gcc/config/i386/i386-protos.h
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#include "config/mingw/winnt.h"
+
 /* In i386-common.cc.  */
 extern bool ix86_handle_option (struct gcc_options *opts,
 				struct gcc_options *opts_set ATTRIBUTE_UNUSED,
@@ -295,16 +297,10 @@ extern void ix86_target_macros (void);
 extern void ix86_register_pragmas (void);
 
 /* In winnt.cc  */
-extern void mingw_pe_unique_section (tree, int);
-extern void mingw_pe_declare_function_type (FILE *, const char *, int);
 extern void i386_pe_record_external_function (tree, const char *);
-extern void mingw_pe_maybe_record_exported_symbol (tree, const char *, int);
-extern void mingw_pe_encode_section_info (tree, rtx, int);
 extern bool i386_pe_binds_local_p (const_tree);
 extern const char *i386_pe_strip_name_encoding_full (const char *);
 extern bool i386_pe_valid_dllimport_attribute_p (const_tree);
-extern unsigned int mingw_pe_section_type_flags (tree, const char *, int);
-extern void mingw_pe_asm_named_section (const char *, unsigned int, tree);
 extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
 						    const char *,
 						    HOST_WIDE_INT,
diff --git a/gcc/config/mingw/winnt.h b/gcc/config/mingw/winnt.h
new file mode 100644
index 00000000000..da8445904ce
--- /dev/null
+++ b/gcc/config/mingw/winnt.h
@@ -0,0 +1,29 @@
+/* Subroutines for targets on Windows.
+Copyright (C) 2024 Free Software Foundation, Inc.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+http://www.gnu.org/licenses/.  */
+
+#ifndef GCC_MINGW_WINNT_H
+#define GCC_MINGW_WINNT_H
+
+extern void mingw_pe_asm_named_section (const char *, unsigned int, tree);
+extern void mingw_pe_declare_function_type (FILE *file, const char *name,
+	int pub);
+extern void mingw_pe_encode_section_info (tree, rtx, int);
+extern void mingw_pe_maybe_record_exported_symbol (tree, const char *, int);
+extern unsigned int mingw_pe_section_type_flags (tree, const char *, int);
+extern void mingw_pe_unique_section (tree, int);
+
+#endif
