diff --git a/db/dev_seeds/budgets.rb b/db/dev_seeds/budgets.rb
index 883919962..25e33cbbc 100644
--- a/db/dev_seeds/budgets.rb
+++ b/db/dev_seeds/budgets.rb
@@ -91,7 +91,7 @@ section "Marking investments as visible to valuators" do
 end
 
 section "Geolocating Investments" do
-  Budget.all.each do |budget|
+  Budget.find_each do |budget|
     budget.investments.each do |investment|
       MapLocation.create(latitude: Setting['map_latitude'].to_f + rand(-10..10)/100.to_f,
                          longitude: Setting['map_longitude'].to_f + rand(-10..10)/100.to_f,
@@ -140,7 +140,7 @@ section "Creating Valuation Assignments" do
 end
 
 section "Creating investment milestones" do
-  Budget::Investment.all.each do |investment|
+  Budget::Investment.find_each do |investment|
     milestone = Budget::Investment::Milestone.new(investment_id: investment.id, publication_date: Date.tomorrow)
     I18n.available_locales.map do |locale|
       neutral_locale = locale.to_s.downcase.underscore.to_sym
diff --git a/db/dev_seeds/communities.rb b/db/dev_seeds/communities.rb
index 776ba1b27..10550591a 100644
--- a/db/dev_seeds/communities.rb
+++ b/db/dev_seeds/communities.rb
@@ -1,10 +1,10 @@
 section "Creating Communities" do
-  Proposal.all.each { |proposal| proposal.update(community: Community.create) }
-  Budget::Investment.all.each { |investment| investment.update(community: Community.create) }
+  Proposal.find_each { |proposal| proposal.update(community: Community.create) }
+  Budget::Investment.find_each { |investment| investment.update(community: Community.create) }
 end
 
 section "Creating Communities Topics" do
-  Community.all.each do |community|
+  Community.find_each do |community|
     Topic.create(community: community, author: User.all.sample,
                  title: Faker::Lorem.sentence(3).truncate(60), description: Faker::Lorem.sentence)
   end
diff --git a/db/dev_seeds/legislation_processes.rb b/db/dev_seeds/legislation_processes.rb
index 932f93fd8..d65e7cb3b 100644
--- a/db/dev_seeds/legislation_processes.rb
+++ b/db/dev_seeds/legislation_processes.rb
@@ -23,7 +23,7 @@ section "Creating legislation processes" do
                                  published: true)
   end
 
-  Legislation::Process.all.each do |process|
+  Legislation::Process.find_each do |process|
     (1..3).each do |i|
       process.draft_versions.create!(title: "Version #{i}",
                                      body: Faker::Lorem.paragraphs.join("\n\n"))
diff --git a/db/dev_seeds/notifications.rb b/db/dev_seeds/notifications.rb
index bb87e8603..3d7282f4a 100644
--- a/db/dev_seeds/notifications.rb
+++ b/db/dev_seeds/notifications.rb
@@ -1,5 +1,5 @@
 section "Creating comment notifications" do
-  User.all.each do |user|
+  User.find_each do |user|
     debate = Debate.create!(author: user,
                             title: Faker::Lorem.sentence(3).truncate(60),
                             description: "<p>#{Faker::Lorem.paragraphs.join('</p><p>')}</p>",
diff --git a/db/dev_seeds/polls.rb b/db/dev_seeds/polls.rb
index 7d80c2559..188efe4fd 100644
--- a/db/dev_seeds/polls.rb
+++ b/db/dev_seeds/polls.rb
@@ -31,7 +31,7 @@ section "Creating polls" do
 end
 
 section "Creating Poll Questions & Answers" do
-  Poll.all.each do |poll|
+  Poll.find_each do |poll|
     (1..4).to_a.sample.times do
       question = Poll::Question.create!(author: User.all.sample,
                                         title: Faker::Lorem.sentence(3).truncate(60) + '?',
@@ -55,10 +55,10 @@ section "Creating Poll Booths & BoothAssignments" do
 end
 
 section "Creating Poll Shifts for Poll Officers" do
-  Poll.all.each do |poll|
+  Poll.find_each do |poll|
     Poll::BoothAssignment.where(poll: poll).each do |booth_assignment|
       scrutiny = (poll.ends_at.to_datetime..poll.ends_at.to_datetime + Poll::RECOUNT_DURATION)
-      Poll::Officer.all.each do |poll_officer|
+      Poll::Officer.find_each do |poll_officer|
         {
           vote_collection: (poll.starts_at.to_datetime..poll.ends_at.to_datetime),
           recount_scrutiny: scrutiny
@@ -130,7 +130,7 @@ section "Creating Poll Voters" do
 end
 
 section "Creating Poll Recounts" do
-  Poll.all.each do |poll|
+  Poll.find_each do |poll|
     poll.booth_assignments.each do |booth_assignment|
       officer_assignment = poll.officer_assignments.first
       author = Poll::Officer.first.user
@@ -148,7 +148,7 @@ section "Creating Poll Recounts" do
 end
 
 section "Creating Poll Results" do
-  Poll.all.each do |poll|
+  Poll.find_each do |poll|
     poll.booth_assignments.each do |booth_assignment|
       officer_assignment = poll.officer_assignments.first
       author = Poll::Officer.first.user