diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 85e2e919d1cd..dfd7bc8094bf 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1509,7 +1509,7 @@ struct i2c_adapter* i2c_get_adapter(int id)
 	struct i2c_adapter *adapter;
 
 	mutex_lock(&core_lock);
-	adapter = (struct i2c_adapter *)idr_find(&i2c_adapter_idr, id);
+	adapter = idr_find(&i2c_adapter_idr, id);
 	if (adapter && !try_module_get(adapter->owner))
 		adapter = NULL;