diff --git a/script/hassfest/model.py b/script/hassfest/model.py
index 175885a53ec..6b500daa9b3 100644
--- a/script/hassfest/model.py
+++ b/script/hassfest/model.py
@@ -1,10 +1,8 @@
 """Models for manifest validator."""
 from __future__ import annotations
 
-import importlib
 import json
 import pathlib
-from types import ModuleType
 from typing import Any
 
 import attr
@@ -227,10 +225,3 @@ class Integration:
             return
 
         self.manifest = manifest
-
-    def import_pkg(self, platform: str | None = None) -> ModuleType:
-        """Import the Python file."""
-        pkg = f"homeassistant.components.{self.domain}"
-        if platform is not None:
-            pkg += f".{platform}"
-        return importlib.import_module(pkg)