diff --git a/backends/mediatek/quantizer/TARGETS b/backends/mediatek/quantizer/BUCK
similarity index 70%
rename from backends/mediatek/quantizer/TARGETS
rename to backends/mediatek/quantizer/BUCK
index 09be73cd172..1638bbeecff 100644
--- a/backends/mediatek/quantizer/TARGETS
+++ b/backends/mediatek/quantizer/BUCK
@@ -1,6 +1,7 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 
-runtime.python_library(
+fbcode_target(_kind = runtime.python_library,
     name = "quantizer",
     srcs = [
         "__init__.py",
diff --git a/backends/mediatek/runtime/BUCK b/backends/mediatek/runtime/BUCK
index d395eb07786..3163f668716 100644
--- a/backends/mediatek/runtime/BUCK
+++ b/backends/mediatek/runtime/BUCK
@@ -1,3 +1,5 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
+oncall("executorch")
 # Any targets that should be shared between fbcode and xplat must be defined in
 # targets.bzl. This file can contain xplat-only targets.
 
@@ -7,9 +9,8 @@ load(
 )
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 
-oncall("executorch")
 
-runtime.cxx_library(
+non_fbcode_target(_kind = runtime.cxx_library,
     name = "neuron_backend",
     srcs = [
         "NeuronBackend.cpp",
diff --git a/backends/mediatek/runtime/TARGETS b/backends/mediatek/runtime/TARGETS
deleted file mode 100644
index e69de29bb2d..00000000000