diff --git a/db/migrate/20130807085604_create_document_journals.rb b/db/migrate/20130807085604_create_document_journals.rb
deleted file mode 100644
index b6abee6073..0000000000
--- a/db/migrate/20130807085604_create_document_journals.rb
+++ /dev/null
@@ -1,43 +0,0 @@
-#-- copyright
-# OpenProject Documents Plugin
-#
-# Former OpenProject Core functionality extracted into a plugin.
-#
-# Copyright (C) 2009-2014 the OpenProject Foundation (OPF)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License version 3.
-#
-# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
-# Copyright (C) 2006-2013 Jean-Philippe Lang
-# Copyright (C) 2010-2013 the ChiliProject Team
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-#
-# See doc/COPYRIGHT.rdoc for more details.
-#++
-
-class CreateDocumentJournals < ActiveRecord::Migration[5.0]
-  def change
-    create_table :document_journals do |t|
-      t.integer  :journal_id,                                :null => false
-      t.integer  :project_id,                :default => 0,  :null => false
-      t.integer  :category_id,               :default => 0,  :null => false
-      t.string   :title,       :limit => 60, :default => "", :null => false
-      t.text     :description
-      t.datetime :created_on
-    end
-  end
-end
diff --git a/db/migrate/20140320140001_legacy_document_journal_data.rb b/db/migrate/20140320140001_legacy_document_journal_data.rb
deleted file mode 100644
index 0012af3e91..0000000000
--- a/db/migrate/20140320140001_legacy_document_journal_data.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-#-- encoding: UTF-8
-#-- copyright
-# OpenProject is a project management system.
-# Copyright (C) 2011-2013 the OpenProject Foundation (OPF)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License version 3.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-#
-# See doc/COPYRIGHT.md for more details.
-#++
-#
-
-require Rails.root.join("db","migrate","migration_utils","legacy_journal_migrator").to_s
-
-class LegacyDocumentJournalData < ActiveRecord::Migration[5.0]
-  def up
-    migrator.run
-  end
-
-  def down
-    migrator.remove_journals_derived_from_legacy_journals 'document_journals'
-  end
-
-  def migrator
-    @migrator ||= Migration::LegacyJournalMigrator.new "DocumentJournal", "document_journals"
-  end
-end
diff --git a/db/migrate/20130814131242_create_documents_tables.rb b/db/migrate/20180323140208_to_v710_aggregated_documents_migrations.rb
similarity index 50%
rename from db/migrate/20130814131242_create_documents_tables.rb
rename to db/migrate/20180323140208_to_v710_aggregated_documents_migrations.rb
index 6f8099df4a..f29688dba5 100644
--- a/db/migrate/20130814131242_create_documents_tables.rb
+++ b/db/migrate/20180323140208_to_v710_aggregated_documents_migrations.rb
@@ -1,21 +1,11 @@
 #-- copyright
-# OpenProject Documents Plugin
+# OpenProject Reporting Plugin
 #
-# Former OpenProject Core functionality extracted into a plugin.
-#
-# Copyright (C) 2009-2014 the OpenProject Foundation (OPF)
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License version 3.
-#
-# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
-# Copyright (C) 2006-2013 Jean-Philippe Lang
-# Copyright (C) 2010-2013 the ChiliProject Team
+# Copyright (C) 2010 - 2014 the OpenProject Foundation (OPF)
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
+# version 3.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -25,14 +15,21 @@
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-#
-# See doc/COPYRIGHT.rdoc for more details.
 #++
 
-class CreateDocumentsTables < ActiveRecord::Migration[5.0]
+require Rails.root.join("db","migrate","migration_utils","migration_squasher").to_s
+# This migration aggregates the migrations detailed in MIGRATION_FILES
+class ToV710AggregatedDocumentsMigrations < ActiveRecord::Migration[5.1]
+
+  MIGRATION_FILES = <<-MIGRATIONS
+    20130807085604_create_document_journals.rb
+    20130814131242_create_documents_tables.rb
+    20140320140001_legacy_document_journal_data.rb
+  MIGRATIONS
+
   def up
-    unless ActiveRecord::Base.connection.table_exists? 'documents'
-      create_table "documents" do |t|
+    Migration::MigrationSquasher.squash(migrations) do
+      create_table "documents", id: :integer do |t|
         t.integer  "project_id",                :default => 0,  :null => false
         t.integer  "category_id",               :default => 0,  :null => false
         t.string   "title",       :limit => 60, :default => "", :null => false
@@ -42,10 +39,28 @@ class CreateDocumentsTables < ActiveRecord::Migration[5.0]
       add_index "documents", ["category_id"], :name => "index_documents_on_category_id"
       add_index "documents", ["created_on"], :name => "index_documents_on_created_on"
       add_index "documents", ["project_id"], :name => "documents_project_id"
+
+      create_table :document_journals, id: :integer do |t|
+        t.integer  :journal_id,                                :null => false
+        t.integer  :project_id,                :default => 0,  :null => false
+        t.integer  :category_id,               :default => 0,  :null => false
+        t.string   :title,       :limit => 60, :default => "", :null => false
+        t.text     :description
+        t.datetime :created_on
+      end
     end
   end
 
   def down
     drop_table :documents
+    drop_table :document_journals
+  end
+
+  private
+
+  def migrations
+    MIGRATION_FILES.split.map do |m|
+      m.gsub(/_.*\z/, '').to_i
+    end
   end
 end