diff --git a/script/helpers.py b/script/helpers.py
index ff63bbc5b6..9032451b4f 100644
--- a/script/helpers.py
+++ b/script/helpers.py
@@ -530,27 +530,26 @@ def get_components_from_integration_fixtures() -> set[str]:
     Returns:
         Set of component names used in integration test fixtures
     """
-    import yaml
+    from esphome import yaml_util
 
     components: set[str] = set()
     fixtures_dir = Path(__file__).parent.parent / "tests" / "integration" / "fixtures"
 
     for yaml_file in fixtures_dir.glob("*.yaml"):
-        with open(yaml_file) as f:
-            config: dict[str, any] | None = yaml.safe_load(f)
-            if not config:
+        config: dict[str, any] | None = yaml_util.load_yaml(str(yaml_file))
+        if not config:
+            continue
+
+        # Add all top-level component keys
+        components.update(config.keys())
+
+        # Add platform components (e.g., output.template)
+        for value in config.values():
+            if not isinstance(value, list):
                 continue
 
-            # Add all top-level component keys
-            components.update(config.keys())
-
-            # Add platform components (e.g., output.template)
-            for value in config.values():
-                if not isinstance(value, list):
-                    continue
-
-                for item in value:
-                    if isinstance(item, dict) and "platform" in item:
-                        components.add(item["platform"])
+            for item in value:
+                if isinstance(item, dict) and "platform" in item:
+                    components.add(item["platform"])
 
     return components
diff --git a/tests/script/test_helpers.py b/tests/script/test_helpers.py
index d0db08e6f7..423e2d3c30 100644
--- a/tests/script/test_helpers.py
+++ b/tests/script/test_helpers.py
@@ -986,8 +986,7 @@ def test_get_components_from_integration_fixtures() -> None:
 
     with (
         patch("pathlib.Path.glob") as mock_glob,
-        patch("builtins.open", create=True),
-        patch("yaml.safe_load", return_value=yaml_content),
+        patch("esphome.yaml_util.load_yaml", return_value=yaml_content),
     ):
         mock_glob.return_value = [mock_yaml_file]