diff --git a/homeassistant/components/insteon/__init__.py b/homeassistant/components/insteon/__init__.py
index 82b910215c4..c8a0982b430 100644
--- a/homeassistant/components/insteon/__init__.py
+++ b/homeassistant/components/insteon/__init__.py
@@ -51,7 +51,7 @@ async def async_get_device_config(hass, config_entry):
 
     load_aldb = 2 if devices.modem.aldb.read_write_mode == ReadWriteMode.UNKNOWN else 1
     await devices.async_load(id_devices=1, load_modem_aldb=load_aldb)
-    for addr in devices:
+    for addr in list(devices):
         device = devices[addr]
         flags = True
         for name in device.operating_flags:
diff --git a/homeassistant/components/insteon/api/__init__.py b/homeassistant/components/insteon/api/__init__.py
index e56d4dab07e..b12ae993d9b 100644
--- a/homeassistant/components/insteon/api/__init__.py
+++ b/homeassistant/components/insteon/api/__init__.py
@@ -55,12 +55,6 @@ def async_load_api(hass):
     websocket_api.async_register_command(hass, websocket_reset_properties)
 
 
-def get_entrypoint(is_dev):
-    """Get the entry point for the frontend."""
-    if is_dev:
-        return "entrypoint.js"
-
-
 async def async_register_insteon_frontend(hass: HomeAssistant):
     """Register the Insteon frontend configuration panel."""
     # Add to sidepanel if needed