diff --git a/esphome/config_validation.py b/esphome/config_validation.py
index 1ad955ffe0..bc3772dad6 100644
--- a/esphome/config_validation.py
+++ b/esphome/config_validation.py
@@ -1634,11 +1634,10 @@ class GenerateID(Optional):
         super().__init__(key, default=lambda: None)
 
 
-def _get_priority_default(*args):
-    for arg in args:
-        if arg is not vol.UNDEFINED:
-            return arg
-    return vol.UNDEFINED
+def _get_platform_key(*args):
+    key = [CORE.target_platform]
+    key.extend(args)
+    return ["_".join(key)]
 
 
 class SplitDefault(Optional):
@@ -1648,38 +1647,30 @@ class SplitDefault(Optional):
         super().__init__(key)
 
         self._defaults = {}
-        priority_mapping = {
-            "esp32_arduino": ["esp32"],
-            "esp32_idf": ["esp32"],
-            "esp32_s2_arduino": ["esp32_s2", "esp32_arduino", "esp32"],
-            "esp32_s2_idf": ["esp32_s2", "esp32_idf", "esp32"],
-            "esp32_s3_arduino": ["esp32_s3", "esp32_arduino", "esp32"],
-            "esp32_s3_idf": ["esp32_s3", "esp32_idf", "esp32"],
-            "esp32_c3_arduino": ["esp32_c3", "esp32_arduino", "esp32"],
-            "esp32_c3_idf": ["esp32_c3", "esp32_idf", "esp32"],
-        }
-        for platform_key, value in kwargs.items():
-            if platform_key not in priority_mapping:
-                self._defaults[platform_key] = vol.default_factory(value)
 
-        for platform_key, priority in priority_mapping.items():
-            prioritized_default = _get_priority_default(
-                *[kwargs.get(p, vol.UNDEFINED) for p in [platform_key] + priority]
-            )
-            self._defaults[platform_key] = vol.default_factory(prioritized_default)
+        for platform_key, value in kwargs.items():
+            self._defaults[platform_key] = vol.default_factory(value)
+        self._defaults[vol.UNDEFINED] = vol.default_factory(vol.UNDEFINED)
 
     @property
     def default(self):
-        key = [CORE.target_platform]
+        keys = []
         if CORE.is_esp32:
             from esphome.components.esp32 import get_esp32_variant
             from esphome.components.esp32.const import VARIANT_ESP32
 
             variant = get_esp32_variant().replace(VARIANT_ESP32, "").lower()
+            framework = CORE.target_framework.replace("esp-", "")
             if variant:
-                key += [variant]
-            key += [CORE.target_framework.replace("esp-", "")]
-        return self._defaults.get("_".join(key), vol.default_factory(vol.UNDEFINED))
+                keys += _get_platform_key(variant, framework)
+                keys += _get_platform_key(variant)
+            keys += _get_platform_key(framework)
+        keys += _get_platform_key()
+        keys += [vol.UNDEFINED]
+        for key in keys:
+            if self._defaults.get(key) is not None:
+                return self._defaults[key]
+        raise NotImplementedError
 
     @default.setter
     def default(self, value):