diff --git a/app/models/poll/question.rb b/app/models/poll/question.rb
index 7d3da1b00..16786a9b6 100644
--- a/app/models/poll/question.rb
+++ b/app/models/poll/question.rb
@@ -13,7 +13,6 @@ class Poll::Question < ActiveRecord::Base
   has_many :partial_results
   belongs_to :proposal
 
-  validates :poll_id, presence: true
   validates :title, presence: true
   validates :summary, presence: true
   validates :author, presence: true