diff --git a/esphome/components/libretiny/__init__.py b/esphome/components/libretiny/__init__.py
index f641c1776d..149e5d1179 100644
--- a/esphome/components/libretiny/__init__.py
+++ b/esphome/components/libretiny/__init__.py
@@ -3,7 +3,6 @@ import logging
 from os.path import dirname, isfile, join
 
 import esphome.codegen as cg
-from esphome.config_helpers import filter_source_files_from_platform
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_BOARD,
@@ -21,7 +20,6 @@ from esphome.const import (
     KEY_FRAMEWORK_VERSION,
     KEY_TARGET_FRAMEWORK,
     KEY_TARGET_PLATFORM,
-    PlatformFramework,
     __version__,
 )
 from esphome.core import CORE
@@ -342,14 +340,3 @@ async def component_to_code(config):
         cg.add_platformio_option("custom_fw_version", __version__)
 
     await cg.register_component(var, config)
-
-
-FILTER_SOURCE_FILES = filter_source_files_from_platform(
-    {
-        "gpio_arduino.cpp": {
-            PlatformFramework.BK72XX_ARDUINO,
-            PlatformFramework.RTL87XX_ARDUINO,
-            PlatformFramework.LN882X_ARDUINO,
-        },
-    }
-)