diff --git a/.coveragerc b/.coveragerc
index 4b5c0820650..e25f664efe8 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -375,6 +375,7 @@ omit =
     homeassistant/components/google/*
     homeassistant/components/google_cloud/tts.py
     homeassistant/components/google_maps/device_tracker.py
+    homeassistant/components/google_pubsub/__init__.py
     homeassistant/components/google_travel_time/__init__.py
     homeassistant/components/google_travel_time/helpers.py
     homeassistant/components/google_travel_time/sensor.py
diff --git a/homeassistant/components/google_pubsub/__init__.py b/homeassistant/components/google_pubsub/__init__.py
index 514b919e877..19530d9d663 100644
--- a/homeassistant/components/google_pubsub/__init__.py
+++ b/homeassistant/components/google_pubsub/__init__.py
@@ -45,9 +45,12 @@ def setup(hass: HomeAssistant, yaml_config: dict[str, Any]):
     config = yaml_config[DOMAIN]
     project_id = config[CONF_PROJECT_ID]
     topic_name = config[CONF_TOPIC_NAME]
-    service_principal_path = os.path.join(
-        hass.config.config_dir, config[CONF_SERVICE_PRINCIPAL]
-    )
+    if hass.config.config_dir:
+        service_principal_path = os.path.join(
+            hass.config.config_dir, config[CONF_SERVICE_PRINCIPAL]
+        )
+    else:
+        service_principal_path = config[CONF_SERVICE_PRINCIPAL]
 
     if not os.path.isfile(service_principal_path):
         _LOGGER.error("Path to credentials file cannot be found")
diff --git a/mypy.ini b/mypy.ini
index 837dc73343a..3108f73a49e 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1367,9 +1367,6 @@ ignore_errors = true
 [mypy-homeassistant.components.google_assistant.*]
 ignore_errors = true
 
-[mypy-homeassistant.components.google_pubsub.*]
-ignore_errors = true
-
 [mypy-homeassistant.components.gpmdp.*]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 513be3e59c2..6a863355afc 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -48,7 +48,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.geniushub.*",
     "homeassistant.components.glances.*",
     "homeassistant.components.google_assistant.*",
-    "homeassistant.components.google_pubsub.*",
     "homeassistant.components.gpmdp.*",
     "homeassistant.components.gree.*",
     "homeassistant.components.growatt_server.*",