No. Sundays includes grains in all of our recipes, because the actual instance of grain allergies in dogs is <1%, and grain replacements (especially legumes and potatoes) may cause a fatal heart condition in dogs.
Sundays uses relatively small amounts of healthy, low-glycemic index grains like quinoa, oats, and millet.
You can read more here: https://sundaysfordogs.com/fda-warns-grain-free-dog-foods-cause-heart-failure-dcm/