diff --git a/db/migrate/20180131011426_remove_internal_comments_from_investment.rb b/db/migrate/20180131011426_remove_internal_comments_from_investment.rb
new file mode 100644
index 000000000..b104e2bae
--- /dev/null
+++ b/db/migrate/20180131011426_remove_internal_comments_from_investment.rb
@@ -0,0 +1,5 @@
+class RemoveInternalCommentsFromInvestment < ActiveRecord::Migration
+  def change
+    remove_column :budget_investments, :internal_comments
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 612ca8e1e..a32417cc1 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -136,7 +136,6 @@ ActiveRecord::Schema.define(version: 20180220211105) do
     t.string   "feasibility",                limit: 15, default: "undecided"
     t.text     "price_explanation"
     t.text     "unfeasibility_explanation"
-    t.text     "internal_comments"
     t.boolean  "valuation_finished",                    default: false
     t.integer  "valuator_assignments_count",            default: 0
     t.integer  "price_first_year",           limit: 8
diff --git a/lib/migrate_spending_proposals_to_investments.rb b/lib/migrate_spending_proposals_to_investments.rb
index 6df75d3f7..908be8cc5 100644
--- a/lib/migrate_spending_proposals_to_investments.rb
+++ b/lib/migrate_spending_proposals_to_investments.rb
@@ -32,7 +32,6 @@ class MigrateSpendingProposalsToInvestments
       external_url: sp.external_url,
       price: sp.price,
       price_explanation: sp.price_explanation,
-      internal_comments: sp.internal_comments,
       duration: sp.time_scope,
       feasibility: feasibility,
       unfeasibility_explanation: sp.feasible_explanation,
diff --git a/lib/tasks/investments.rake b/lib/tasks/investments.rake
deleted file mode 100644
index f9619b5ed..000000000
--- a/lib/tasks/investments.rake
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace :investments do
-  namespace :internal_comments do
-    desc "Migrate internal_comments textarea to a first comment on internal thread"
-    task migrate_to_thread: :environment do
-      comments_author_id = Administrator.first.user.id
-      Budget::Investment.where.not(internal_comments: [nil, '']).find_each do |investment|
-        Comment.create(commentable: investment, user_id: comments_author_id,
-                       body: investment.internal_comments, valuation: true)
-      end
-    end
-  end
-end