diff --git a/app/models/booth.rb b/app/models/booth.rb
index 686f3690..e692c663 100644
--- a/app/models/booth.rb
+++ b/app/models/booth.rb
@@ -2,7 +2,7 @@ class Booth < ActiveRecord::Base
   include ActiveRecord::Transitions
 
   belongs_to :conference
-  has_many :booth_requests
+  has_many :booth_requests, dependent: :destroy
   has_many :users, through: :booth_requests
 
   has_one :submitter_booth_user, -> { where(role: 'submitter') }, class_name: 'BoothRequest'
diff --git a/app/models/user.rb b/app/models/user.rb
index 1f953893..f3f03ab7 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -57,6 +57,7 @@ class User < ActiveRecord::Base
   has_many :subscriptions, dependent: :destroy
   has_many :tracks, foreign_key: 'submitter_id'
   has_many :booth_requests
+  has_many :booth_requests, dependent: :destroy
   has_many :booths, through: :booth_requests
   accepts_nested_attributes_for :roles