diff --git a/esphome/components/socket/__init__.py b/esphome/components/socket/__init__.py
index dcbab9d240..e085a09eac 100644
--- a/esphome/components/socket/__init__.py
+++ b/esphome/components/socket/__init__.py
@@ -45,9 +45,6 @@ async def to_code(config):
 
 def FILTER_SOURCE_FILES() -> list[str]:
     """Return list of socket implementation files that aren't selected by the user."""
-    if not hasattr(CORE, "config") or "socket" not in CORE.config:
-        return []
-
     impl = CORE.config["socket"][CONF_IMPLEMENTATION]
 
     # Build list of files to exclude based on selected implementation
diff --git a/esphome/helpers.py b/esphome/helpers.py
index 153dcf6a6a..a99a317239 100644
--- a/esphome/helpers.py
+++ b/esphome/helpers.py
@@ -553,11 +553,10 @@ def filter_source_files_from_platform(
             return []
 
         # Return files that should be excluded for current platform
-        excluded = []
-        for filename, platforms in files_map.items():
-            if current_platform_framework not in platforms:
-                excluded.append(filename)
-
-        return excluded
+        return [
+            filename
+            for filename, platforms in files_map.items()
+            if current_platform_framework not in platforms
+        ]
 
     return filter_source_files