Yes, the latest advice from ASCIA (Australasian Society of Clinical Immunology and Allergy) based on the latest research is that excluding food from your diet does not prevent allergies.

Breastfeeding
- Exclusion of allergenic foods from the maternal diet has not been shown to prevent allergies.
and

Introduction of solid foods
- There is insufficient evidence to support previous advice to specifically delay or avoid potentially allergenic foods (such as egg, peanuts, nuts, wheat, cow's milk and fish) for the prevention of food allergy or eczema. This also applies to infants with siblings who already have allergies to these foods.
The whole article is here: The Australasian Society of Clinical Immunology and Allergy - ASCIA INFANT FEEDING ADVICE