diff --git a/devtools/TARGETS b/devtools/BUCK
similarity index 68%
rename from devtools/TARGETS
rename to devtools/BUCK
index 2236702fbc7..bc1ff53e271 100644
--- a/devtools/TARGETS
+++ b/devtools/BUCK
@@ -1,8 +1,9 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 
 oncall("executorch")
 
-runtime.python_library(
+fbcode_target(_kind = runtime.python_library,
     name = "lib",
     srcs = ["__init__.py"],
     deps = [
diff --git a/devtools/backend_debug/TARGETS b/devtools/backend_debug/BUCK
similarity index 76%
rename from devtools/backend_debug/TARGETS
rename to devtools/backend_debug/BUCK
index 00fde3ee3b4..e1b4d77d2c7 100644
--- a/devtools/backend_debug/TARGETS
+++ b/devtools/backend_debug/BUCK
@@ -1,8 +1,9 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 
 oncall("executorch")
 
-runtime.python_library(
+fbcode_target(_kind = runtime.python_library,
     name = "delegation_info",
     srcs = [
         "__init__.py",
diff --git a/devtools/backend_debug/tests/TARGETS b/devtools/backend_debug/tests/BUCK
similarity index 76%
rename from devtools/backend_debug/tests/TARGETS
rename to devtools/backend_debug/tests/BUCK
index ae234df8ce4..4e02fff7471 100644
--- a/devtools/backend_debug/tests/TARGETS
+++ b/devtools/backend_debug/tests/BUCK
@@ -1,8 +1,9 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
 load("@fbcode_macros//build_defs:python_unittest.bzl", "python_unittest")
 
 oncall("executorch")
 
-python_unittest(
+fbcode_target(_kind = python_unittest,
     name = "test_delegation_info",
     srcs = [
         "test_delegation_info.py",
diff --git a/devtools/bundled_program/BUCK b/devtools/bundled_program/BUCK
index 0a42614a385..ec6a05df0f2 100644
--- a/devtools/bundled_program/BUCK
+++ b/devtools/bundled_program/BUCK
@@ -1,5 +1,52 @@
+load("@fbcode_macros//build_defs:build_file_migration.bzl", "fbcode_target", "non_fbcode_target")
 load(":targets.bzl", "define_common_targets")
 
 oncall("executorch")
 
-define_common_targets()
+non_fbcode_target(_kind = define_common_targets,)
+
+# !!!! fbcode/executorch/devtools/bundled_program/TARGETS was merged into this file, see https://fburl.com/workplace/xl8l9yuo for more info !!!!
+
+load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
+load(":targets.bzl", "define_common_targets")
+
+
+fbcode_target(_kind = define_common_targets,)
+
+fbcode_target(_kind = runtime.python_library,
+    name = "core",
+    srcs = [
+        "core.py",
+    ],
+    visibility = ["PUBLIC"],
+    deps = [
+        ":config",
+        ":version",
+        "//caffe2:torch",
+        "//executorch/devtools/bundled_program/schema:bundled_program_schema_py",
+        "//executorch/exir:schema",
+        "//executorch/exir:tensor",
+    ],
+)
+
+fbcode_target(_kind = runtime.python_library,
+    name = "config",
+    srcs = [
+        "config.py",
+    ],
+    visibility = ["PUBLIC"],
+    deps = [
+        "fbsource//third-party/pypi/typing-extensions:typing-extensions",
+        "//caffe2:torch",
+    ],
+)
+
+fbcode_target(_kind = runtime.python_library,
+    name = "version",
+    srcs = [
+        "version.py",
+    ],
+    visibility = [
+        "//executorch/devtools/...",
+    ],
+)
diff --git a/devtools/bundled_program/TARGETS b/devtools/bundled_program/TARGETS
deleted file mode 100644
index 10d4d0b9154..00000000000
--- a/devtools/bundled_program/TARGETS
+++ /dev/null
@@ -1,44 +0,0 @@
-load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
-load(":targets.bzl", "define_common_targets")
-
-oncall("executorch")
-
-define_common_targets()
-
-runtime.python_library(
-    name = "core",
-    srcs = [
-        "core.py",
-    ],
-    visibility = ["PUBLIC"],
-    deps = [
-        ":config",
-        ":version",
-        "//caffe2:torch",
-        "//executorch/devtools/bundled_program/schema:bundled_program_schema_py",
-        "//executorch/exir:schema",
-        "//executorch/exir:tensor",
-    ],
-)
-
-runtime.python_library(
-    name = "config",
-    srcs = [
-        "config.py",
-    ],
-    visibility = ["PUBLIC"],
-    deps = [
-        "fbsource//third-party/pypi/typing-extensions:typing-extensions",
-        "//caffe2:torch",
-    ],
-)
-
-runtime.python_library(
-    name = "version",
-    srcs = [
-        "version.py",
-    ],
-    visibility = [
-        "//executorch/devtools/...",
-    ],
-)