diff --git a/vndk/tools/header-checker/utils/create_reference_dumps.py b/vndk/tools/header-checker/utils/create_reference_dumps.py
index 80e51d232..e25ec6135 100755
--- a/vndk/tools/header-checker/utils/create_reference_dumps.py
+++ b/vndk/tools/header-checker/utils/create_reference_dumps.py
@@ -65,39 +65,6 @@ def get_lib_arch_str(target):
     return target.arch + target_arch_variant_str
 
 
-# FIXME (b/121986692): Before aosp/858259 is merged, apex mutator adds
-# `_platform` suffix if the module is used by some apex modules. This
-# workaround searches for lsdump with and without `_platform`.
-_WORKAROUND_APEX_PLATFORM_LSDUMPS = True
-
-if _WORKAROUND_APEX_PLATFORM_LSDUMPS:
-    def _find_lib_lsdumps_workaround(dir_name, lsdump_paths, libs):
-        dir_name_platform = dir_name + '_platform'
-
-        matched_lsdump_paths = set(find_lib_lsdumps(
-            dir_name, lsdump_paths, libs))
-
-        matched_lsdump_paths_platform = set(find_lib_lsdumps(
-            dir_name_platform, lsdump_paths, libs))
-
-        # Pick the lsdump file with latest modification time if both of them
-        # exist.
-        matched_lsdump_paths_replaced = set(
-            path.replace(dir_name, dir_name_platform)
-            for path in matched_lsdump_paths)
-
-        both = matched_lsdump_paths_replaced & matched_lsdump_paths_platform
-
-        for path_platform in both:
-            path = path_platform.replace(dir_name_platform, dir_name)
-            if os.stat(path).st_mtime >= os.stat(path_platform).st_mtime:
-                matched_lsdump_paths_platform.remove(path_platform)
-            else:
-                matched_lsdump_paths.remove(path)
-
-        return sorted(matched_lsdump_paths | matched_lsdump_paths_platform)
-
-
 def find_and_copy_lib_lsdumps(target, ref_dump_dir_stem, ref_dump_dir_insertion,
                               core_or_vendor_shared_str, libs, lsdump_paths,
                               compress):
@@ -105,12 +72,8 @@ def find_and_copy_lib_lsdumps(target, ref_dump_dir_stem, ref_dump_dir_insertion,
         target.arch, target.arch_variant, target.cpu_variant,
         core_or_vendor_shared_str)
 
-    if _WORKAROUND_APEX_PLATFORM_LSDUMPS:
-        arch_lsdump_paths = _find_lib_lsdumps_workaround(
-            module_variant_dir_name, lsdump_paths, libs)
-    else:
-        arch_lsdump_paths = find_lib_lsdumps(
-            module_variant_dir_name, lsdump_paths, libs)
+    arch_lsdump_paths = find_lib_lsdumps(
+        module_variant_dir_name, lsdump_paths, libs)
 
     # Copy the contents of the lsdump into their corresponding reference ABI
     # dumps directories.