diff --git a/esphome/const.py b/esphome/const.py
index 54ebb2815f..dc2bf15eb1 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -15,15 +15,6 @@ PLATFORM_LIBRETINY_OLDSTYLE = "libretiny"
 PLATFORM_RP2040 = "rp2040"
 PLATFORM_RTL87XX = "rtl87xx"
 
-TARGET_PLATFORMS = [
-    PLATFORM_BK72XX,
-    PLATFORM_ESP32,
-    PLATFORM_ESP8266,
-    PLATFORM_HOST,
-    PLATFORM_LIBRETINY_OLDSTYLE,
-    PLATFORM_RP2040,
-    PLATFORM_RTL87XX,
-]
 
 SOURCE_FILE_EXTENSIONS = {".cpp", ".hpp", ".h", ".c", ".tcc", ".ino"}
 HEADER_FILE_EXTENSIONS = {".h", ".hpp", ".tcc"}
diff --git a/esphome/loader.py b/esphome/loader.py
index d808805119..65939e66e0 100644
--- a/esphome/loader.py
+++ b/esphome/loader.py
@@ -52,6 +52,10 @@ class ComponentManifest:
     def is_platform_component(self) -> bool:
         return getattr(self.module, "IS_PLATFORM_COMPONENT", False)
 
+    @property
+    def is_target_platform(self) -> bool:
+        return getattr(self.module, "IS_TARGET_PLATFORM", False)
+
     @property
     def config_schema(self) -> Optional[Any]:
         return getattr(self.module, "CONFIG_SCHEMA", None)