diff --git a/app/models/budget.rb b/app/models/budget.rb
index 4fc250bf4..319f02d4b 100644
--- a/app/models/budget.rb
+++ b/app/models/budget.rb
@@ -1,7 +1,6 @@
 class Budget < ApplicationRecord
   include Measurable
   include Sluggable
-  include StatsVersionable
   include Reportable
   include Imageable
 
diff --git a/app/models/budget/stats.rb b/app/models/budget/stats.rb
index 04cc6d480..d03e4edd3 100644
--- a/app/models/budget/stats.rb
+++ b/app/models/budget/stats.rb
@@ -193,6 +193,6 @@ class Budget::Stats
     stats_cache(*stats_methods)
 
     def full_cache_key_for(key)
-      "budgets_stats/#{budget.id}/#{phases.join}/#{key}/#{version}"
+      "budgets_stats/#{budget.id}/#{phases.join}/#{key}"
     end
 end
diff --git a/app/models/concerns/statisticable.rb b/app/models/concerns/statisticable.rb
index d644f0dec..cb1fae680 100644
--- a/app/models/concerns/statisticable.rb
+++ b/app/models/concerns/statisticable.rb
@@ -149,10 +149,6 @@ module Statisticable
     (fraction * 100.0 / total).round(3)
   end
 
-  def version
-    "v#{resource.find_or_create_stats_version.updated_at.to_i}"
-  end
-
   def advanced?
     resource.advanced_stats_enabled?
   end
@@ -231,6 +227,6 @@ module Statisticable
     end
 
     def stats_cache(key, &)
-      Rails.cache.fetch(full_cache_key_for(key), &)
+      Rails.cache.fetch(full_cache_key_for(key), expires_at: Date.current.end_of_day, &)
     end
 end
diff --git a/app/models/concerns/stats_versionable.rb b/app/models/concerns/stats_versionable.rb
deleted file mode 100644
index 9e9138ecc..000000000
--- a/app/models/concerns/stats_versionable.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-module StatsVersionable
-  extend ActiveSupport::Concern
-
-  included do
-    has_one :stats_version, as: :process, inverse_of: :process
-  end
-
-  def find_or_create_stats_version
-    stats_version || create_stats_version
-  end
-end
diff --git a/app/models/poll.rb b/app/models/poll.rb
index 3d587b59f..4021fcf1c 100644
--- a/app/models/poll.rb
+++ b/app/models/poll.rb
@@ -7,7 +7,6 @@ class Poll < ApplicationRecord
   include Notifiable
   include Searchable
   include Sluggable
-  include StatsVersionable
   include Reportable
   include SDG::Relatable
 
diff --git a/app/models/poll/stats.rb b/app/models/poll/stats.rb
index 0aeb93109..8a0b1562b 100644
--- a/app/models/poll/stats.rb
+++ b/app/models/poll/stats.rb
@@ -122,6 +122,6 @@ class Poll::Stats
     stats_cache(*stats_methods)
 
     def full_cache_key_for(key)
-      "polls_stats/#{poll.id}/#{key}/#{version}"
+      "polls_stats/#{poll.id}/#{key}"
     end
 end
diff --git a/app/models/stats_version.rb b/app/models/stats_version.rb
deleted file mode 100644
index f47ddea44..000000000
--- a/app/models/stats_version.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-class StatsVersion < ApplicationRecord
-  validates :process, presence: true
-
-  belongs_to :process, polymorphic: true
-end
diff --git a/db/migrate/20240408154814_drop_stats_versions.rb b/db/migrate/20240408154814_drop_stats_versions.rb
new file mode 100644
index 000000000..a88c1d879
--- /dev/null
+++ b/db/migrate/20240408154814_drop_stats_versions.rb
@@ -0,0 +1,12 @@
+class DropStatsVersions < ActiveRecord::Migration[7.0]
+  def change
+    drop_table :stats_versions, id: :serial do |t|
+      t.string :process_type
+      t.integer :process_id
+      t.datetime :created_at, precision: nil, null: false
+      t.datetime :updated_at, precision: nil, null: false
+
+      t.index ["process_type", "process_id"], name: "index_stats_versions_on_process_type_and_process_id"
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 0b5dfa0d5..d330136cc 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1515,14 +1515,6 @@ ActiveRecord::Schema[7.0].define(version: 2024_04_24_013913) do
     t.string "locale"
   end
 
-  create_table "stats_versions", id: :serial, force: :cascade do |t|
-    t.string "process_type"
-    t.integer "process_id"
-    t.datetime "created_at", precision: nil, null: false
-    t.datetime "updated_at", precision: nil, null: false
-    t.index ["process_type", "process_id"], name: "index_stats_versions_on_process_type_and_process_id"
-  end
-
   create_table "taggings", id: :serial, force: :cascade do |t|
     t.integer "tag_id"
     t.string "taggable_type"
diff --git a/lib/tasks/stats.rake b/lib/tasks/stats.rake
deleted file mode 100644
index 526309823..000000000
--- a/lib/tasks/stats.rake
+++ /dev/null
@@ -1,10 +0,0 @@
-namespace :stats do
-  desc "Expires stats cache"
-  task expire_cache: :environment do
-    Tenant.run_on_each do
-      [Budget, Poll].each do |model_class|
-        model_class.find_each { |record| record.find_or_create_stats_version.touch }
-      end
-    end
-  end
-end
diff --git a/spec/models/poll/stats_spec.rb b/spec/models/poll/stats_spec.rb
index ddb95a361..9bf5f56c2 100644
--- a/spec/models/poll/stats_spec.rb
+++ b/spec/models/poll/stats_spec.rb
@@ -299,32 +299,4 @@ describe Poll::Stats do
       end
     end
   end
-
-  describe "#version", :with_frozen_time do
-    context "record with no stats" do
-      it "returns a string based on the current time" do
-        expect(stats.version).to eq "v#{Time.current.to_i}"
-      end
-
-      it "doesn't overwrite the timestamp when called multiple times" do
-        time = Time.current
-
-        expect(stats.version).to eq "v#{time.to_i}"
-
-        unfreeze_time
-
-        travel_to 2.seconds.from_now do
-          expect(stats.version).to eq "v#{time.to_i}"
-        end
-      end
-    end
-
-    context "record with stats" do
-      before { poll.create_stats_version(updated_at: 1.day.ago) }
-
-      it "returns the version of the existing stats" do
-        expect(stats.version).to eq "v#{1.day.ago.to_i}"
-      end
-    end
-  end
 end
diff --git a/spec/models/statisticable_spec.rb b/spec/models/statisticable_spec.rb
index f1817fbbd..e1705d86d 100644
--- a/spec/models/statisticable_spec.rb
+++ b/spec/models/statisticable_spec.rb
@@ -4,6 +4,12 @@ describe Statisticable do
   before do
     dummy_stats = Class.new do
       include Statisticable
+      attr_accessor :total
+      stats_cache :total
+
+      def full_cache_key_for(key)
+        "dummy_stats/#{object_id}/#{key}"
+      end
 
       def participants
         User.all
@@ -221,4 +227,28 @@ describe Statisticable do
       end.each(&:join)
     end
   end
+
+  describe "cache" do
+    it "expires the cache at the end of the day", :with_cache do
+      time = Time.current
+
+      travel_to(time) do
+        stats.total = 6
+
+        expect(stats.total).to eq 6
+
+        stats.total = 7
+
+        expect(stats.total).to eq 6
+      end
+
+      travel_to(time.end_of_day) do
+        expect(stats.total).to eq 6
+      end
+
+      travel_to(time.end_of_day + 1.second) do
+        expect(stats.total).to eq 7
+      end
+    end
+  end
 end
diff --git a/spec/models/stats_version_spec.rb b/spec/models/stats_version_spec.rb
deleted file mode 100644
index eb875ed09..000000000
--- a/spec/models/stats_version_spec.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-require "rails_helper"
-
-describe StatsVersion do
-  describe "validations" do
-    it "is valid with a process" do
-      expect(StatsVersion.new(process: Budget.new)).to be_valid
-    end
-
-    it "is not valid without a process" do
-      expect(StatsVersion.new(process: nil)).not_to be_valid
-    end
-  end
-end