diff --git a/esphome/components/ethernet/__init__.py b/esphome/components/ethernet/__init__.py
index e32f06d059..af9938678a 100644
--- a/esphome/components/ethernet/__init__.py
+++ b/esphome/components/ethernet/__init__.py
@@ -286,7 +286,7 @@ CONFIG_SCHEMA = cv.All(
 )
 
 
-def _final_validate(config):
+def _final_validate_spi(config):
     if config[CONF_TYPE] not in SPI_ETHERNET_TYPES:
         return
     if spi_configs := fv.full_config.get().get(CONF_SPI):
@@ -305,9 +305,6 @@ def _final_validate(config):
                     )
 
 
-FINAL_VALIDATE_SCHEMA = _final_validate
-
-
 def manual_ip(config):
     return cg.StructInitializer(
         ManualIP,
@@ -427,6 +424,7 @@ def _final_validate_rmii_pins(config: ConfigType) -> None:
 
 def _final_validate(config: ConfigType) -> ConfigType:
     """Final validation for Ethernet component."""
+    _final_validate_spi(config)
     _final_validate_rmii_pins(config)
     return config