diff --git a/tests/unit_tests/fixtures/core/config/area_id_collision.yaml b/tests/unit_tests/fixtures/core/config/area_id_collision.yaml
index 985db073da..fb2e930e61 100644
--- a/tests/unit_tests/fixtures/core/config/area_id_collision.yaml
+++ b/tests/unit_tests/fixtures/core/config/area_id_collision.yaml
@@ -7,4 +7,4 @@ esphome:
     - id: duplicate_id
       name: Area 2
 
-host:
\ No newline at end of file
+host:
diff --git a/tests/unit_tests/fixtures/core/config/device_without_area.yaml b/tests/unit_tests/fixtures/core/config/device_without_area.yaml
index cc81953d42..8464cf37df 100644
--- a/tests/unit_tests/fixtures/core/config/device_without_area.yaml
+++ b/tests/unit_tests/fixtures/core/config/device_without_area.yaml
@@ -4,4 +4,4 @@ esphome:
     - id: test_device
       name: Test Device
 
-host:
\ No newline at end of file
+host:
diff --git a/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml b/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
index 136c2aafac..fe2dc3db17 100644
--- a/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
+++ b/tests/unit_tests/fixtures/core/config/legacy_string_area.yaml
@@ -2,4 +2,4 @@ esphome:
   name: test-legacy-area
   area: Living Room
 
-host:
\ No newline at end of file
+host:
diff --git a/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml b/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
index 0ffee3177c..ef3b4f6e67 100644
--- a/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
+++ b/tests/unit_tests/fixtures/core/config/multiple_areas_devices.yaml
@@ -19,4 +19,4 @@ esphome:
       name: Device 3
       area_id: area2
 
-host:
\ No newline at end of file
+host:
diff --git a/tests/unit_tests/fixtures/core/config/valid_area_device.yaml b/tests/unit_tests/fixtures/core/config/valid_area_device.yaml
index 54e1262819..fc97894586 100644
--- a/tests/unit_tests/fixtures/core/config/valid_area_device.yaml
+++ b/tests/unit_tests/fixtures/core/config/valid_area_device.yaml
@@ -8,4 +8,4 @@ esphome:
       name: Test Device
       area_id: bedroom_area
 
-host:
\ No newline at end of file
+host: