diff --git a/backends/cadence/aot/TARGETS b/backends/cadence/aot/TARGETS
index 0c39fd3d38e..27f9c00f4ac 100644
--- a/backends/cadence/aot/TARGETS
+++ b/backends/cadence/aot/TARGETS
@@ -12,7 +12,6 @@ load(
     "CXX",
 )
 load("@fbsource//xplat/executorch/codegen:codegen.bzl", "executorch_generated_lib")
-load("@fbcode_macros//build_defs:cpp_python_extension.bzl", "cpp_python_extension")
 
 oncall("odai_jarvis")
 
diff --git a/exir/_serialize/TARGETS b/exir/_serialize/TARGETS
index 6671bf00334..83a2d4957ce 100644
--- a/exir/_serialize/TARGETS
+++ b/exir/_serialize/TARGETS
@@ -1,11 +1,10 @@
-load("@fbcode_macros//build_defs:cpp_python_extension.bzl", "cpp_python_extension")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 
 oncall("executorch")
 
 # TODO(T157145817): Update other flatbuffer serializers to use flatc like
 # _flatbuffer.py does, and remove this.
-cpp_python_extension(
+runtime.cxx_python_extension(
     name = "_bindings",
     srcs = [
         "bindings.cpp",
diff --git a/exir/verification/TARGETS b/exir/verification/TARGETS
index 8362d87a238..85251677b55 100644
--- a/exir/verification/TARGETS
+++ b/exir/verification/TARGETS
@@ -1,10 +1,9 @@
-load("@fbcode_macros//build_defs:cpp_python_extension.bzl", "cpp_python_extension")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 load("@fbcode_macros//build_defs:python_unittest.bzl", "python_unittest")
 
 oncall("executorch")
 
-cpp_python_extension(
+runtime.cxx_python_extension(
     name = "bindings",
     srcs = [
         "bindings.cpp",
diff --git a/extension/pytree/TARGETS b/extension/pytree/TARGETS
index 32eea9b3bdb..5f09772ee38 100644
--- a/extension/pytree/TARGETS
+++ b/extension/pytree/TARGETS
@@ -1,7 +1,6 @@
 # Any targets that should be shared between fbcode and xplat must be defined in
 # targets.bzl. This file can contain fbcode-only targets.
 
-load("@fbcode_macros//build_defs:cpp_python_extension.bzl", "cpp_python_extension")
 load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")
 load(":targets.bzl", "define_common_targets")
 
@@ -9,7 +8,7 @@ oncall("executorch")
 
 define_common_targets()
 
-cpp_python_extension(
+runtime.cxx_python_extension(
     name = "pybindings",
     srcs = [
         "pybindings.cpp",
@@ -21,7 +20,7 @@ cpp_python_extension(
     ],
 )
 
-cpp_python_extension(
+runtime.cxx_python_extension(
     name = "pybindings_debug",
     srcs = [
         "pybindings.cpp",