diff --git a/app/controllers/my_module_repositories_controller.rb b/app/controllers/my_module_repositories_controller.rb
index e33bb5003..b7fddcaed 100644
--- a/app/controllers/my_module_repositories_controller.rb
+++ b/app/controllers/my_module_repositories_controller.rb
@@ -28,13 +28,13 @@ class MyModuleRepositoriesController < ApplicationController
 
     if params[:simple_view]
       repository_rows = datatable_service.repository_rows
-      rows_view = 'repository_rows/simple_view_index.json'
+      rows_view = 'repository_rows/simple_view_index'
     else
       repository_rows = datatable_service.repository_rows
                                          .preload(:repository_columns,
                                                   :created_by,
                                                   repository_cells: { value: @repository.cell_preload_includes })
-      rows_view = 'repository_rows/index.json'
+      rows_view = 'repository_rows/index'
     end
     @repository_rows = repository_rows.page(page).per(per_page)
 
diff --git a/app/controllers/my_module_tags_controller.rb b/app/controllers/my_module_tags_controller.rb
index ec2ab3f5e..03fa281cd 100644
--- a/app/controllers/my_module_tags_controller.rb
+++ b/app/controllers/my_module_tags_controller.rb
@@ -13,7 +13,7 @@ class MyModuleTagsController < ApplicationController
 
     render json: {
       my_module: @my_module,
-      html: render_to_string(partial: 'index_edit.html.erb')
+      html: render_to_string(partial: 'index_edit', formats: :html)
     }
   end
 
diff --git a/app/controllers/my_modules_controller.rb b/app/controllers/my_modules_controller.rb
index 5722ccb57..eb03381ed 100644
--- a/app/controllers/my_modules_controller.rb
+++ b/app/controllers/my_modules_controller.rb
@@ -199,27 +199,33 @@ class MyModulesController < ApplicationController
         status: :ok,
         start_date_label: render_to_string(
           partial: 'my_modules/start_date_label',
+          formats: :html,
           locals: { my_module: @my_module, start_date_editable: true }
         ),
         due_date_label: render_to_string(
           partial: 'my_modules/due_date_label',
+          formats: :html,
           locals: { my_module: @my_module, due_date_editable: true }
         ),
         card_due_date_label: render_to_string(
           partial: 'my_modules/card_due_date_label',
+          formats: :html,
           locals: { my_module: @my_module }
         ),
         table_due_date_label: {
           html: render_to_string(partial: 'experiments/table_due_date_label',
+                                 formats: :html,
                                  locals: { my_module: @my_module, user: current_user }),
           due_status: my_module_due_status(@my_module)
         },
         module_header_due_date: render_to_string(
           partial: 'my_modules/module_header_due_date',
+          formats: :html,
           locals: { my_module: @my_module }
         ),
         description_label: render_to_string(
           partial: 'my_modules/description_label',
+          formats: :html,
           locals: { my_module: @my_module }
         ),
         alerts: alerts
diff --git a/app/controllers/protocols_controller.rb b/app/controllers/protocols_controller.rb
index 148d9f271..512abc047 100644
--- a/app/controllers/protocols_controller.rb
+++ b/app/controllers/protocols_controller.rb
@@ -338,6 +338,7 @@ class ProtocolsController < ApplicationController
           render json: { message: t('my_modules.protocols.copy_to_repository_modal.success_message') }
         end
       end
+      format.html
     end
   end
 
diff --git a/app/helpers/comment_helper.rb b/app/helpers/comment_helper.rb
index 091630116..b6f653cdb 100644
--- a/app/helpers/comment_helper.rb
+++ b/app/helpers/comment_helper.rb
@@ -45,7 +45,7 @@ module CommentHelper
 
       render json: {
         html: render_to_string(
-          partial: "/shared/comments/#{partial}.html.erb",
+          partial: "shared/comments/#{partial}",
           locals: {
             comment: comment,
             skip_header: false
diff --git a/app/views/my_module_tags/_index_edit.html.erb b/app/views/my_module_tags/_index_edit.html.erb
index 1a969caa1..32edec205 100644
--- a/app/views/my_module_tags/_index_edit.html.erb
+++ b/app/views/my_module_tags/_index_edit.html.erb
@@ -36,7 +36,7 @@
               <%= f.text_field :name, hide_label: true %>
             </div>
             <div class="pull-right">
-              <%= render partial: 'shared/color_picker_select.erb',
+              <%= render partial: 'shared/color_picker_select',
                          locals: { name: :color, colors: Constants::TAG_COLORS,
                                    classes: "edit-tag-color", styles: "",
                                    object_name: :tag} %>
diff --git a/app/views/protocols/index/_new_protocol_modal.html.erb b/app/views/protocols/index/_new_protocol_modal.html.erb
index d7af0698f..e8153f382 100644
--- a/app/views/protocols/index/_new_protocol_modal.html.erb
+++ b/app/views/protocols/index/_new_protocol_modal.html.erb
@@ -1,5 +1,8 @@
 <div class="modal" id="newProtocolModal" tabindex="-1" role="dialog">
-  <%= form_with model: @protocol || Protocol.new, url: type == 'new' ? protocols_path : copy_to_repository_protocol_path(@protocol), method: :post, data: { action: type }  do |f| %>
+  <%= form_with model: @protocol || Protocol.new,
+                url: type == 'new' ? protocols_path : copy_to_repository_protocol_path(@protocol),
+                method: :post,
+                html: { data: { action: type, remote: true } }  do |f| %>
     <div class="modal-dialog" role="document">
       <div class="modal-content">
         <div class="modal-header">
diff --git a/app/views/shared/_color_picker_select.erb b/app/views/shared/_color_picker_select.html.erb
similarity index 100%
rename from app/views/shared/_color_picker_select.erb
rename to app/views/shared/_color_picker_select.html.erb
diff --git a/config/routes.rb b/config/routes.rb
index 261d9c35d..1bab84bdb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -473,7 +473,7 @@ Rails.application.routes.draw do
       resources :repositories, controller: :my_module_repositories, only: %i(update create) do
         member do
           get :full_view_table
-          post :index_dt
+          post :index_dt, defaults: { format: 'json' }
           post :export_repository
           get :assign_repository_records_modal, as: :assign_modal
           get :update_repository_records_modal, as: :update_modal
@@ -485,7 +485,7 @@ Rails.application.routes.draw do
       resources :repository_snapshots, controller: :my_module_repository_snapshots, only: %i(destroy show) do
         member do
           get :full_view_table
-          post :index_dt
+          post :index_dt, defaults: { format: 'json' }
           post :export_repository_snapshot
           get :status
         end