diff --git a/homeassistant/components/portainer/config_flow.py b/homeassistant/components/portainer/config_flow.py
index 2037ab45cac9..8aa037d7b386 100644
--- a/homeassistant/components/portainer/config_flow.py
+++ b/homeassistant/components/portainer/config_flow.py
@@ -16,7 +16,6 @@ import voluptuous as vol
 from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
 from homeassistant.const import CONF_API_TOKEN, CONF_URL, CONF_VERIFY_SSL
 from homeassistant.core import HomeAssistant
-from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.selector import (
     BooleanSelector,
@@ -198,13 +197,13 @@ class PortainerConfigFlow(ConfigFlow, domain=DOMAIN):
         )
 
 
-class CannotConnect(HomeAssistantError):
+class CannotConnect(Exception):
     """Error to indicate we cannot connect."""
 
 
-class InvalidAuth(HomeAssistantError):
+class InvalidAuth(Exception):
     """Error to indicate there is invalid auth."""
 
 
-class PortainerTimeout(HomeAssistantError):
+class PortainerTimeout(Exception):
     """Error to indicate a timeout occurred."""