diff --git a/ReactCommon/cxxreact/BUCK b/ReactCommon/cxxreact/BUCK
index 14aa2e3c999..515ff8cb35d 100644
--- a/ReactCommon/cxxreact/BUCK
+++ b/ReactCommon/cxxreact/BUCK
@@ -1,5 +1,4 @@
-load("@xplat//configurations/buck/apple:flag_defs.bzl", "get_debug_preprocessor_flags")
-load("//ReactNative:DEFS.bzl", "IS_OSS_BUILD", "rn_xplat_cxx_library", "get_android_inspector_flags", "get_apple_inspector_flags", "ANDROID_JSC_DEPS", "APPLE_JSC_DEPS", "react_native_xplat_target")
+load("//ReactNative:DEFS.bzl", "IS_OSS_BUILD", "rn_xplat_cxx_library", "get_android_inspector_flags", "get_apple_inspector_flags", "ANDROID_JSC_DEPS", "APPLE_JSC_DEPS", "react_native_xplat_target", "ANDROID", "APPLE")
 
 CXX_LIBRARY_COMPILER_FLAGS = [
     "-std=c++14",
@@ -8,9 +7,12 @@ CXX_LIBRARY_COMPILER_FLAGS = [
 
 APPLE_COMPILER_FLAGS = []
 
+DEBUG_PREPROCESSOR_FLAGS = []
+
 if not IS_OSS_BUILD:
-    load("@xplat//configurations/buck/apple:flag_defs.bzl", "get_static_library_ios_flags", "flags")
+    load("@xplat//configurations/buck/apple:flag_defs.bzl", "get_debug_preprocessor_flags", "get_static_library_ios_flags", "flags")
     APPLE_COMPILER_FLAGS = flags.get_flag_value(get_static_library_ios_flags(), 'compiler_flags')
+    DEBUG_PREPROCESSOR_FLAGS = get_debug_preprocessor_flags()
 
 rn_xplat_cxx_library(
     name = "module",
@@ -140,7 +142,7 @@ rn_xplat_cxx_library(
     fbobjc_frameworks = [
         "$SDKROOT/System/Library/Frameworks/JavaScriptCore.framework",
     ],
-    fbobjc_preprocessor_flags = get_debug_preprocessor_flags() + get_apple_inspector_flags(),
+    fbobjc_preprocessor_flags = DEBUG_PREPROCESSOR_FLAGS + get_apple_inspector_flags(),
     force_static = True,
     macosx_tests_override = [],
     platforms = (ANDROID, APPLE),
diff --git a/ReactCommon/jschelpers/BUCK b/ReactCommon/jschelpers/BUCK
index 37dc1abb0df..c0bb888ea0c 100644
--- a/ReactCommon/jschelpers/BUCK
+++ b/ReactCommon/jschelpers/BUCK
@@ -1,4 +1,4 @@
-load("//ReactNative:DEFS.bzl", "rn_xplat_cxx_library", "react_native_xplat_target", "ANDROID_JSC_INTERNAL_DEPS", "APPLE_JSC_INTERNAL_DEPS")
+load("//ReactNative:DEFS.bzl", "rn_xplat_cxx_library", "react_native_xplat_target", "ANDROID_JSC_INTERNAL_DEPS", "APPLE_JSC_INTERNAL_DEPS", "ANDROID", "APPLE")
 
 EXPORTED_HEADERS = [
     "JavaScriptCore.h",
diff --git a/ReactNative/DEFS.bzl b/ReactNative/DEFS.bzl
index 135bacfbc93..b0c85a1aaf7 100644
--- a/ReactNative/DEFS.bzl
+++ b/ReactNative/DEFS.bzl
@@ -4,7 +4,7 @@ This lets us build React Native:
  - At Facebook by running buck from the root of the fb repo
  - Outside of Facebook by running buck in the root of the git repo
 """
-# @lint-ignore-every SKYLINT
+# @lint-ignore-every SKYLINT BUCKRESTRICTEDSYNTAX
 
 IS_OSS_BUILD = True
 
@@ -22,6 +22,7 @@ ANDROID_JSC_INTERNAL_DEPS = [
 ]
 ANDROID_JSC_DEPS = ANDROID_JSC_INTERNAL_DEPS
 ANDROID = "Android"
+APPLE = ""
 
 YOGA_TARGET = '//ReactAndroid/src/main/java/com/facebook:yoga'
 FBGLOGINIT_TARGET = '//ReactAndroid/src/main/jni/first-party/fbgloginit:fbgloginit'
@@ -33,6 +34,14 @@ with allow_unsafe_import():
     import os
 
 
+def get_apple_inspector_flags():
+    return []
+
+
+def get_android_inspector_flags():
+    return []
+
+
 # Building is not supported in OSS right now
 def rn_xplat_cxx_library(name, **kwargs):
     new_kwargs = {