diff --git a/configure b/configure
index b558ec7b362..c3d8260cb53 100755
--- a/configure
+++ b/configure
@@ -864,6 +864,7 @@ enable_api_ms_win_core_io_l1_1_1
 enable_api_ms_win_core_kernel32_legacy_l1_1_0
 enable_api_ms_win_core_libraryloader_l1_1_1
 enable_api_ms_win_core_localization_l1_2_0
+enable_api_ms_win_core_localization_obsolete_l1_1_0
 enable_api_ms_win_core_localregistry_l1_1_0
 enable_api_ms_win_core_processthreads_l1_1_0
 enable_api_ms_win_core_processthreads_l1_1_1
@@ -16602,6 +16603,7 @@ wine_fn_config_dll api-ms-win-core-io-l1-1-1 enable_api_ms_win_core_io_l1_1_1
 wine_fn_config_dll api-ms-win-core-kernel32-legacy-l1-1-0 enable_api_ms_win_core_kernel32_legacy_l1_1_0
 wine_fn_config_dll api-ms-win-core-libraryloader-l1-1-1 enable_api_ms_win_core_libraryloader_l1_1_1
 wine_fn_config_dll api-ms-win-core-localization-l1-2-0 enable_api_ms_win_core_localization_l1_2_0
+wine_fn_config_dll api-ms-win-core-localization-obsolete-l1-1-0 enable_api_ms_win_core_localization_obsolete_l1_1_0
 wine_fn_config_dll api-ms-win-core-localregistry-l1-1-0 enable_api_ms_win_core_localregistry_l1_1_0
 wine_fn_config_dll api-ms-win-core-processthreads-l1-1-0 enable_api_ms_win_core_processthreads_l1_1_0
 wine_fn_config_dll api-ms-win-core-processthreads-l1-1-1 enable_api_ms_win_core_processthreads_l1_1_1
diff --git a/configure.ac b/configure.ac
index 9d6af3aa3cc..2b61b9a969d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2633,6 +2633,7 @@ WINE_CONFIG_DLL(api-ms-win-core-io-l1-1-1)
 WINE_CONFIG_DLL(api-ms-win-core-kernel32-legacy-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-libraryloader-l1-1-1)
 WINE_CONFIG_DLL(api-ms-win-core-localization-l1-2-0)
+WINE_CONFIG_DLL(api-ms-win-core-localization-obsolete-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-localregistry-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-processthreads-l1-1-0)
 WINE_CONFIG_DLL(api-ms-win-core-processthreads-l1-1-1)
diff --git a/dlls/api-ms-win-core-localization-obsolete-l1-1-0/Makefile.in b/dlls/api-ms-win-core-localization-obsolete-l1-1-0/Makefile.in
new file mode 100644
index 00000000000..64355b03b59
--- /dev/null
+++ b/dlls/api-ms-win-core-localization-obsolete-l1-1-0/Makefile.in
@@ -0,0 +1 @@
+MODULE    = api-ms-win-core-localization-obsolete-l1-1-0.dll
diff --git a/dlls/api-ms-win-core-localization-obsolete-l1-1-0/api-ms-win-core-localization-obsolete-l1-1-0.spec b/dlls/api-ms-win-core-localization-obsolete-l1-1-0/api-ms-win-core-localization-obsolete-l1-1-0.spec
new file mode 100644
index 00000000000..e91733d177f
--- /dev/null
+++ b/dlls/api-ms-win-core-localization-obsolete-l1-1-0/api-ms-win-core-localization-obsolete-l1-1-0.spec
@@ -0,0 +1,11 @@
+@ stdcall CompareStringA(long long str long str long) kernel32.CompareStringA
+@ stdcall EnumLanguageGroupLocalesW(ptr long long ptr) kernel32.EnumLanguageGroupLocalesW
+@ stdcall EnumSystemLanguageGroupsW(ptr long ptr) kernel32.EnumSystemLanguageGroupsW
+@ stdcall EnumSystemLocalesEx(ptr long long ptr) kernel32.EnumSystemLocalesEx
+@ stdcall EnumUILanguagesW(ptr long long) kernel32.EnumUILanguagesW
+@ stdcall GetNumberFormatW(long long wstr ptr ptr long) kernel32.GetNumberFormatW
+@ stdcall GetStringTypeA(long long str long ptr) kernel32.GetStringTypeA
+@ stdcall GetSystemDefaultLocaleName(ptr long) kernel32.GetSystemDefaultLocaleName
+@ stdcall GetSystemDefaultUILanguage() kernel32.GetSystemDefaultUILanguage
+@ stdcall GetUserDefaultUILanguage() kernel32.GetUserDefaultUILanguage
+@ stdcall LCIDToLocaleName(long ptr long long) kernel32.LCIDToLocaleName
diff --git a/tools/make_specfiles b/tools/make_specfiles
index c123fe08f51..46ed717b563 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -153,6 +153,7 @@ my @dll_groups =
   "api-ms-win-core-kernel32-legacy-l1-1-0",
   "api-ms-win-core-libraryloader-l1-1-1",
   "api-ms-win-core-localization-l1-2-0",
+  "api-ms-win-core-localization-obsolete-l1-1-0",
  ],
  [
   "ole32",