diff --git a/app/controllers/admin/poll/booth_assignments_controller.rb b/app/controllers/admin/poll/booth_assignments_controller.rb
index 13a6955c979..0fc6e386a6b 100644
--- a/app/controllers/admin/poll/booth_assignments_controller.rb
+++ b/app/controllers/admin/poll/booth_assignments_controller.rb
@@ -29,11 +29,8 @@ def create
     @booth_assignment = ::Poll::BoothAssignment.new(poll: @poll,
                                                     booth: @booth)
 
-    if @booth_assignment.save
-      notice = t("admin.poll_booth_assignments.flash.create")
-    else
-      notice = t("admin.poll_booth_assignments.flash.error_create")
-    end
+    @booth_assignment.save
+
     respond_to do |format|
       format.js { render layout: false }
     end
@@ -44,11 +41,8 @@ def destroy
     @booth = Poll::Booth.find(booth_assignment_params[:booth_id])
     @booth_assignment = ::Poll::BoothAssignment.find(params[:id])
 
-    if @booth_assignment.destroy
-      notice = t("admin.poll_booth_assignments.flash.destroy")
-    else
-      notice = t("admin.poll_booth_assignments.flash.error_destroy")
-    end
+    @booth_assignment.destroy
+
     respond_to do |format|
       format.js { render layout: false }
     end
diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index ba2e848dd0a..dd7fd46b982 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -25,7 +25,6 @@ def show
                                                     .where.not(description: "").order(:given_order)
 
     @answers_by_question_id = {}
-    poll_answers = ::Poll::Answer.by_question(@poll.question_ids).by_author(current_user&.id)
 
     @last_pair_question_answers = {}
     @questions.each do |question|
diff --git a/app/models/abilities/tracker.rb b/app/models/abilities/tracker.rb
index 37279c82d1c..a755d26fbcd 100644
--- a/app/models/abilities/tracker.rb
+++ b/app/models/abilities/tracker.rb
@@ -3,8 +3,6 @@ class Tracker
     include CanCan::Ability
 
     def initialize(user)
-      tracker = user.tracker
-
       can :index, Budget
       can [:index, :show, :edit], Budget::Investment
       can :manage, Milestone
diff --git a/config/api.yml b/config/api.yml
index 20dd8c7a776..0814d55527b 100644
--- a/config/api.yml
+++ b/config/api.yml
@@ -5,7 +5,6 @@ User:
     public_debates:     [Debate]
     public_proposals:   [Proposal]
     public_comments:    [Comment]
-#    organization:       Organization
 Debate:
   fields:
     id:                 integer
@@ -81,8 +80,3 @@ Vote:
     votable_type:      string
     public_created_at: string
     vote_flag:         boolean
-# Organization:
-#   fields:
-#     id:               integer
-#     user_id:          integer
-#     name:             string
diff --git a/config/locales/en/admin.yml b/config/locales/en/admin.yml
index 6529b19bb15..e47a1090f65 100644
--- a/config/locales/en/admin.yml
+++ b/config/locales/en/admin.yml
@@ -1028,11 +1028,6 @@ en:
     poll_booth_assignments:
       alert:
         shifts: "There are shifts associated to this booth. If you remove the booth assignment, the shifts will be also deleted. Continue?"
-      flash:
-        destroy: "Booth not assigned anymore"
-        create: "Booth assigned"
-        error_destroy: "An error ocurred when removing booth assignment"
-        error_create: "An error ocurred when assigning booth to the poll"
       show:
         location: "Location"
         officers: "Officers"
diff --git a/config/locales/es/admin.yml b/config/locales/es/admin.yml
index a87554c0d64..5c76fb624c1 100644
--- a/config/locales/es/admin.yml
+++ b/config/locales/es/admin.yml
@@ -1029,11 +1029,6 @@ es:
     poll_booth_assignments:
       alert:
         shifts: "Hay turnos asignados para esta urna. Si la desasignas, esos turnos se eliminarán. ¿Deseas continuar?"
-      flash:
-        destroy: "Urna desasignada"
-        create: "Urna asignada"
-        error_destroy: "Se ha producido un error al desasignar la urna"
-        error_create: "Se ha producido un error al intentar asignar la urna"
       show:
         location: "Ubicación"
         officers: "Presidentes de mesa"
diff --git a/spec/features/admin/admin_notifications_spec.rb b/spec/features/admin/admin_notifications_spec.rb
index 9d6007b4f38..9020e21bebc 100644
--- a/spec/features/admin/admin_notifications_spec.rb
+++ b/spec/features/admin/admin_notifications_spec.rb
@@ -189,8 +189,6 @@
     scenario "A draft Admin notification can be sent", :js do
       2.times { create(:user) }
       notification = create(:admin_notification, segment_recipient: :all_users)
-      total_users = notification.list_of_recipients.count
-      confirm_message = "Are you sure you want to send this notification to #{total_users} users?"
 
       visit admin_admin_notification_path(notification)
 
diff --git a/spec/features/admin/budget_investments_spec.rb b/spec/features/admin/budget_investments_spec.rb
index 187bd328711..485a1ead172 100644
--- a/spec/features/admin/budget_investments_spec.rb
+++ b/spec/features/admin/budget_investments_spec.rb
@@ -1715,27 +1715,7 @@
   context "Selecting csv" do
 
     scenario "Downloading CSV file" do
-      admin = create(:administrator, user: create(:user, username: "Admin"))
-      valuator = create(:valuator, user: create(:user, username: "Valuator"))
-      valuator_group = create(:valuator_group, name: "Valuator Group")
-      budget_group = create(:budget_group, name: "Budget Group", budget: budget)
-      first_budget_heading = create(:budget_heading, group: budget_group, name: "Budget Heading")
-      second_budget_heading = create(:budget_heading, group: budget_group, name: "Other Heading")
-      first_investment = create(:budget_investment, :feasible, :selected, title: "Le Investment",
-                                                         budget: budget, group: budget_group,
-                                                         heading: first_budget_heading,
-                                                         cached_votes_up: 88, price: 99,
-                                                         valuators: [],
-                                                         valuator_groups: [valuator_group],
-                                                         administrator: admin,
-                                                         visible_to_valuators: true)
-      second_investment = create(:budget_investment, :unfeasible, title: "Alt Investment",
-                                                         budget: budget, group: budget_group,
-                                                         heading: second_budget_heading,
-                                                         cached_votes_up: 66, price: 88,
-                                                         valuators: [valuator],
-                                                         valuator_groups: [],
-                                                         visible_to_valuators: false)
+      create(:budget_investment, budget: budget)
 
       visit admin_budget_budget_investments_path(budget)
 
diff --git a/spec/features/admin/emails/newsletters_spec.rb b/spec/features/admin/emails/newsletters_spec.rb
index 0cdfab879d1..751fb89a722 100644
--- a/spec/features/admin/emails/newsletters_spec.rb
+++ b/spec/features/admin/emails/newsletters_spec.rb
@@ -130,7 +130,6 @@
     scenario "Sends newsletter emails", :js do
       newsletter = create(:newsletter)
       visit admin_newsletter_path(newsletter)
-      total_users = newsletter.list_of_recipient_emails.count
 
       accept_confirm { click_link "Send" }
 
diff --git a/spec/features/admin/poll/shifts_spec.rb b/spec/features/admin/poll/shifts_spec.rb
index bbde7be256d..2720bb32cd7 100644
--- a/spec/features/admin/poll/shifts_spec.rb
+++ b/spec/features/admin/poll/shifts_spec.rb
@@ -8,7 +8,6 @@
   end
 
   scenario "Show" do
-    poll = create(:poll)
     officer = create(:poll_officer)
 
     booth1 = create(:poll_booth)
@@ -246,7 +245,6 @@
   end
 
   scenario "Destroy an officer" do
-    poll = create(:poll)
     booth = create(:poll_booth)
     officer = create(:poll_officer)
 
@@ -261,7 +259,6 @@
   end
 
   scenario "Empty" do
-    poll = create(:poll)
     booth = create(:poll_booth)
 
     visit new_admin_booth_shift_path(booth)
diff --git a/spec/features/admin/stats_spec.rb b/spec/features/admin/stats_spec.rb
index 7abf9db3ce4..1f1c8275f65 100644
--- a/spec/features/admin/stats_spec.rb
+++ b/spec/features/admin/stats_spec.rb
@@ -388,8 +388,6 @@
     end
 
     scenario "Participants by poll" do
-      oa = create(:poll_officer_assignment)
-
       poll1 = create(:poll)
       poll2 = create(:poll)
 
diff --git a/spec/features/admin/system_emails_spec.rb b/spec/features/admin/system_emails_spec.rb
index cfd71b9bc94..c31899113ce 100644
--- a/spec/features/admin/system_emails_spec.rb
+++ b/spec/features/admin/system_emails_spec.rb
@@ -214,8 +214,6 @@
 
       expect(page).to have_content "Invitation to CONSUL"
       expect(page).to have_content "Thank you for applying to join CONSUL!"
-
-      registration_url = new_user_registration_url(track_id: 172943750183759812)
       expect(page).to have_link "Complete registration"
     end
 
diff --git a/spec/features/budgets/investments_spec.rb b/spec/features/budgets/investments_spec.rb
index 97e31f2fa2e..58525cc8069 100644
--- a/spec/features/budgets/investments_spec.rb
+++ b/spec/features/budgets/investments_spec.rb
@@ -1760,7 +1760,6 @@ def investments_order
       scenario "Due to being unfeasible" do
         user = create(:user, :level_two)
         investment = create(:budget_investment, :selected, heading: heading)
-        heading2 = create(:budget_heading, group: group)
 
         ballot = create(:budget_ballot, user: user, budget: budget)
         ballot.investments << investment
diff --git a/spec/features/direct_messages_spec.rb b/spec/features/direct_messages_spec.rb
index 2872d252beb..dbf7d0ebfde 100644
--- a/spec/features/direct_messages_spec.rb
+++ b/spec/features/direct_messages_spec.rb
@@ -60,7 +60,6 @@
     end
 
     scenario "User not logged in" do
-      sender = create(:user)
       receiver = create(:user)
 
       visit new_user_direct_message_path(receiver)
diff --git a/spec/features/polls/answers_spec.rb b/spec/features/polls/answers_spec.rb
index 67d46fb16d2..35043ec4d9b 100644
--- a/spec/features/polls/answers_spec.rb
+++ b/spec/features/polls/answers_spec.rb
@@ -39,12 +39,11 @@
   end
 
   scenario "Add video to answer" do
-    answer1 = create(:poll_question_answer, question: question)
-    answer2 = create(:poll_question_answer, question: question)
+    answer = create(:poll_question_answer, question: question)
 
     visit admin_question_path(question)
 
-    within("#poll_question_answer_#{answer1.id}") do
+    within("#poll_question_answer_#{answer.id}") do
       click_link "Video list"
     end
 
@@ -55,7 +54,7 @@
 
     click_button "Save"
 
-    within("#poll_question_answer_video_#{answer1.videos.last.id}") do
+    within("#poll_question_answer_video_#{answer.videos.last.id}") do
       expect(page).to have_content "Awesome project video"
       expect(page).to have_content "https://www.youtube.com/watch?v=123"
     end
diff --git a/spec/features/polls/voter_spec.rb b/spec/features/polls/voter_spec.rb
index 77e14e17db2..391cb648953 100644
--- a/spec/features/polls/voter_spec.rb
+++ b/spec/features/polls/voter_spec.rb
@@ -50,8 +50,6 @@
     end
 
     scenario "Voting in booth", :js do
-      user = create(:user, :in_census)
-
       login_through_form_as_officer(officer.user)
 
       visit new_officing_residence_path
diff --git a/spec/features/proposals_spec.rb b/spec/features/proposals_spec.rb
index fa22d6d07cc..52c1c15e470 100644
--- a/spec/features/proposals_spec.rb
+++ b/spec/features/proposals_spec.rb
@@ -119,7 +119,7 @@
       proposal_with_image = create(:proposal)
       image = create(:image, imageable: proposal_with_image)
 
-      visit proposals_path(id: proposal)
+      visit proposals_path
 
       within("#proposal_#{proposal.id}") do
         expect(page).not_to have_css("div.with-image")
diff --git a/spec/lib/graphql_spec.rb b/spec/lib/graphql_spec.rb
index 4c414414090..d3a02cb54a3 100644
--- a/spec/lib/graphql_spec.rb
+++ b/spec/lib/graphql_spec.rb
@@ -49,12 +49,6 @@ def extract_fields(response, collection_name, field_chain)
     expect(dig(response, "data.proposal.title")).to eq(proposal.title)
   end
 
-  xit "returns has_one associations" do
-    organization = create(:organization)
-    response = execute("{ user(id: #{organization.user_id}) { organization { name } } }")
-    expect(dig(response, "data.user.organization.name")).to eq(organization.name)
-  end
-
   it "returns belongs_to associations" do
     response = execute("{ proposal(id: #{proposal.id}) { public_author { username } } }")
     expect(dig(response, "data.proposal.public_author.username")).to eq(proposal.public_author.username)
@@ -72,15 +66,6 @@ def extract_fields(response, collection_name, field_chain)
     expect(comment_bodies).to match_array([comment_1.body, comment_2.body])
   end
 
-  xit "executes deeply nested queries" do
-    org_user = create(:user)
-    organization = create(:organization, user: org_user)
-    org_proposal = create(:proposal, author: org_user)
-    response = execute("{ proposal(id: #{org_proposal.id}) { public_author { organization { name } } } }")
-
-    expect(dig(response, "data.proposal.public_author.organization.name")).to eq(organization.name)
-  end
-
   it "hides confidential fields of Int type" do
     response = execute("{ user(id: #{user.id}) { failed_census_calls_count } }")
     expect(hidden_field?(response, "failed_census_calls_count")).to be_truthy
@@ -157,18 +142,6 @@ def extract_fields(response, collection_name, field_chain)
       expect(received_titles).to match_array [visible_proposal.title]
     end
 
-    xit "only returns proposals of the Human Rights proceeding" do
-      proposal = create(:proposal)
-      human_rights_proposal = create(:proposal, proceeding: "Derechos Humanos", sub_proceeding: "Right to have a job")
-      other_proceeding_proposal = create(:proposal)
-      other_proceeding_proposal.update_attribute(:proceeding, "Another proceeding")
-
-      response = execute("{ proposals { edges { node { title } } } }")
-      received_titles = extract_fields(response, "proposals", "title")
-
-      expect(received_titles).to match_array [proposal.title, human_rights_proposal.title]
-    end
-
     it "includes proposals of authors even if public activity is set to false" do
       visible_author = create(:user, public_activity: true)
       hidden_author  = create(:user, public_activity: false)
@@ -556,17 +529,6 @@ def extract_fields(response, collection_name, field_chain)
       expect(received_tags).to match_array ["Health", "Transportation"]
     end
 
-    xit "does not display tags for proceeding's proposals" do
-      valid_proceeding_proposal = create(:proposal, proceeding: "Derechos Humanos", sub_proceeding: "Right to a Home", tag_list: "Health")
-      invalid_proceeding_proposal = create(:proposal, tag_list: "Animals")
-      invalid_proceeding_proposal.update_attribute("proceeding", "Random")
-
-      response = execute("{ tags { edges { node { name } } } }")
-      received_tags = extract_fields(response, "tags", "name")
-
-      expect(received_tags).to match_array ["Health"]
-    end
-
     it "does not display tags for taggings that are not public" do
       proposal = create(:proposal, tag_list: "Health")
       allow(ActsAsTaggableOn::Tag).to receive(:public_for_api).and_return([])
diff --git a/spec/models/poll/shift_spec.rb b/spec/models/poll/shift_spec.rb
index 7edebfeca3c..5baaede9159 100644
--- a/spec/models/poll/shift_spec.rb
+++ b/spec/models/poll/shift_spec.rb
@@ -58,7 +58,6 @@
 
     it "creates and destroy corresponding officer_assignments" do
       poll2 = create(:poll)
-      poll3 = create(:poll)
 
       booth_assignment1 = create(:poll_booth_assignment, poll: poll, booth: booth)
       booth_assignment2 = create(:poll_booth_assignment, poll: poll2, booth: booth)
diff --git a/spec/models/signature_spec.rb b/spec/models/signature_spec.rb
index 3a3bebcd71b..f194f3d2271 100644
--- a/spec/models/signature_spec.rb
+++ b/spec/models/signature_spec.rb
@@ -183,7 +183,6 @@
       it "creates a user with that document number" do
         create(:geozone, census_code: "01")
         signature = create(:signature, document_number: "12345678Z")
-        proposal = signature.signable
 
         signature.verify