diff --git a/db/migrate/07_dmsf_1_4_4.rb b/db/migrate/07_dmsf_1_4_4.rb
index 67cc1dd4..26e98d75 100644
--- a/db/migrate/07_dmsf_1_4_4.rb
+++ b/db/migrate/07_dmsf_1_4_4.rb
@@ -67,12 +67,12 @@ class Dmsf144 < ActiveRecord::Migration[4.2]
     DmsfFileLock.update_all entity_type: 0, lock_type_cd: 0, lock_scope_cd: 0
     change_table :dmsf_file_locks, bulk: true do |t|
       # These are not null-allowed columns
-      t.change_column :entity_type, :integer, null: false
-      t.change_column :lock_type_cd, :integer, null: false
-      t.change_column :lock_scope_cd, :integer, null: false
+      t.change :entity_type, :integer, null: false
+      t.change :lock_type_cd, :integer, null: false
+      t.change :lock_scope_cd, :integer, null: false
       # Data cleanup
-      t.rename_column :dmsf_file_id, :entity_id
-      t.remove_column :locked
+      t.rename :dmsf_file_id, :entity_id
+      t.remove :locked
       t.rename_table :dmsf_locks
     end
     # Not sure if this is the right place to do this, as its file manipulation, not database (strictly)
@@ -120,11 +120,11 @@ class Dmsf144 < ActiveRecord::Migration[4.2]
     DmsfFileLock.update_all locked: true
     change_table :dmsf_file_locks, bulk: true do |t|
       t.rename_column :entity_id, :dmsf_file_id
-      t.remove_column :entity_type
-      t.remove_column :lock_type_cd
-      t.remove_column :lock_scope_cd
-      t.remove_column :expires_at
-      t.remove_column :uuid
+      t.remove :entity_type
+      t.remove :lock_type_cd
+      t.remove :lock_scope_cd
+      t.remove :expires_at
+      t.remove :uuid
     end
     # Not sure if this is the right place to do this, as its file manipulation, not database (stricly)
     begin
diff --git a/db/migrate/20120822100401_create_dmsf_workflows.rb b/db/migrate/20120822100401_create_dmsf_workflows.rb
index a1f65c79..8aa78207 100644
--- a/db/migrate/20120822100401_create_dmsf_workflows.rb
+++ b/db/migrate/20120822100401_create_dmsf_workflows.rb
@@ -39,11 +39,11 @@ class CreateDmsfWorkflows < ActiveRecord::Migration[4.2]
 
   def down
     change_table :dmsf_file_revisions, bulk: true do |t|
-      t.remove_column :dmsf_workflow_id
-      t.remove_column :dmsf_workflow_assigned_by
-      t.remove_column :dmsf_workflow_assigned_at
-      t.remove_column :dmsf_workflow_started_by
-      t.remove_column :dmsf_workflow_started_at
+      t.remove :dmsf_workflow_id
+      t.remove :dmsf_workflow_assigned_by
+      t.remove :dmsf_workflow_assigned_at
+      t.remove :dmsf_workflow_started_by
+      t.remove :dmsf_workflow_started_at
     end
     drop_table :dmsf_workflows
   end
diff --git a/db/migrate/20140519133201_trash_bin.rb b/db/migrate/20140519133201_trash_bin.rb
index 23351dd7..87851825 100644
--- a/db/migrate/20140519133201_trash_bin.rb
+++ b/db/migrate/20140519133201_trash_bin.rb
@@ -32,8 +32,8 @@ class TrashBin < ActiveRecord::Migration[4.2]
 
   def down
     change_table :dmsf_folders, bulk: true do |t|
-      t.remove_column :deleted
-      t.remove_column :deleted_by_user_id
+      t.remove :deleted
+      t.remove :deleted_by_user_id
     end
   end
 end
diff --git a/db/migrate/20150130052716_add_external.rb b/db/migrate/20150130052716_add_external.rb
index 4467633f..0564c790 100644
--- a/db/migrate/20150130052716_add_external.rb
+++ b/db/migrate/20150130052716_add_external.rb
@@ -22,7 +22,7 @@
 class AddExternal < ActiveRecord::Migration[4.2]
   def up
     change_table :dmsf_links, bulk: true do |t|
-      t.change_column :target_id, :integer, null: true
+      t.change :target_id, :integer, null: true
       t.column :external_url, :string, null: true
     end
   end
diff --git a/db/migrate/20160222140401_approval_workflow_std_fields.rb b/db/migrate/20160222140401_approval_workflow_std_fields.rb
index d2428181..7396fa37 100644
--- a/db/migrate/20160222140401_approval_workflow_std_fields.rb
+++ b/db/migrate/20160222140401_approval_workflow_std_fields.rb
@@ -36,9 +36,9 @@ class ApprovalWorkflowStdFields < ActiveRecord::Migration[4.2]
 
   def down
     change_table :dmsf_workflows, bulk: true do |t|
-      t.remove_column :updated_on
-      t.remove_column :created_on
-      t.remove_column :author_id
+      t.remove :updated_on
+      t.remove :created_on
+      t.remove :author_id
     end
   end
 end
diff --git a/db/migrate/20170118142001_dmsf_file_container.rb b/db/migrate/20170118142001_dmsf_file_container.rb
index a02ddb6c..9aab06f9 100644
--- a/db/migrate/20170118142001_dmsf_file_container.rb
+++ b/db/migrate/20170118142001_dmsf_file_container.rb
@@ -25,7 +25,7 @@ class DmsfFileContainer < ActiveRecord::Migration[4.2]
       t.remove_index :project_id
       t.rename_column :project_id, :container_id
       t.column :container_type, :string, limit: 30, null: false, default: 'Project'
-      t.add_index %i[container_id container_type]
+      t.index %i[container_id container_type]
     end
     DmsfFile.update_all container_type: 'Project'
   end
@@ -33,9 +33,9 @@ class DmsfFileContainer < ActiveRecord::Migration[4.2]
   def down
     change_table :dmsf_files, bulk: true do |t|
       t.remove_index %i[container_id container_type]
-      t.remove_column :container_type
+      t.remove :container_type
       t.rename_column :container_id, :project_id
-      t.add_index :project_id
+      t.index :project_id
     end
   end
 end
diff --git a/db/migrate/20170421101901_dmsf_file_container_rollback.rb b/db/migrate/20170421101901_dmsf_file_container_rollback.rb
index 9224d74f..329c8fdc 100644
--- a/db/migrate/20170421101901_dmsf_file_container_rollback.rb
+++ b/db/migrate/20170421101901_dmsf_file_container_rollback.rb
@@ -66,9 +66,9 @@ class DmsfFileContainerRollback < ActiveRecord::Migration[4.2]
     # Make DB changes in dmsf_files
     change_table :dmsf_files, bulk: true do |t|
       t.remove_index %i[container_id container_type]
-      t.remove_column :container_type
+      t.remove :container_type
       t.rename_column :container_id, :project_id
-      t.add_index :project_id
+      t.index :project_id
     end
     # Initialize system folder_flag to dmsf_folders
     DmsfFolder.where(id: new_folder_ids).update_all system: true
@@ -96,8 +96,8 @@ class DmsfFileContainerRollback < ActiveRecord::Migration[4.2]
       file.save!
     end
     change_table :dmsf_files, bulk: true do |t|
-      t.remove_column :project_id # temporarily added for the save method
-      t.add_index(%i[container_id container_type]) unless t.index_exists?(%i[container_id container_type])
+      t.remove :project_id # temporarily added for the save method
+      t.index(%i[container_id container_type]) unless t.index_exists?(%i[container_id container_type])
     end
     # dmsf_folders
     DmsfFolder.where(system: true).delete_all
diff --git a/db/migrate/20200813075501_change_index_in_dmsf_locks.rb b/db/migrate/20200813075501_change_index_in_dmsf_locks.rb
index 3dd451cd..7a9b7535 100644
--- a/db/migrate/20200813075501_change_index_in_dmsf_locks.rb
+++ b/db/migrate/20200813075501_change_index_in_dmsf_locks.rb
@@ -23,14 +23,14 @@ class ChangeIndexInDmsfLocks < ActiveRecord::Migration[5.2]
   def up
     change_table :dmsf_locks, bulk: true do |t|
       t.remove_index :entity_id
-      t.add_index %i[entity_id entity_type]
+      t.index %i[entity_id entity_type]
     end
   end
 
   def down
     change_table :dmsf_locks, bulk: true do |t|
       t.remove_index %i[entity_id entity_type]
-      t.add_index :entity_id
+      t.index :entity_id
     end
   end
 end