diff --git a/app/views/catalog/explorer.html.haml b/app/views/catalog/explorer.html.haml
index 3c752fc0b0e..6b82963719d 100644
--- a/app/views/catalog/explorer.html.haml
+++ b/app/views/catalog/explorer.html.haml
@@ -19,10 +19,3 @@
         ManageIQ.afterOnload = {action: () => miqPrepRightCellForm("#{x_active_tree}")}
     - else
       = render :partial => "layouts/x_gtl"
-
--# To include MyCodeMirror JS and CSS files
-= render :partial => "/layouts/my_code_mirror",
-         :locals  => {:text_area_id => "miq_none",
-                      :mode         => "htmlmixed",
-                      :height       => '350px',
-                      :width        => '600px'}
diff --git a/app/views/miq_ae_class/explorer.html.haml b/app/views/miq_ae_class/explorer.html.haml
index 3d63afda7f9..c0a20492c44 100644
--- a/app/views/miq_ae_class/explorer.html.haml
+++ b/app/views/miq_ae_class/explorer.html.haml
@@ -1,5 +1,2 @@
 #main_div
   = render :partial => "all_tabs"
-
--# To include MyCodeMirror JS and CSS files
-= render :partial => "/layouts/my_code_mirror", :locals => {:text_area_id => "miq_none", :mode => "ruby"}
diff --git a/app/views/miq_ae_class/show.html.haml b/app/views/miq_ae_class/show.html.haml
deleted file mode 100644
index 3d63afda7f9..00000000000
--- a/app/views/miq_ae_class/show.html.haml
+++ /dev/null
@@ -1,5 +0,0 @@
-#main_div
-  = render :partial => "all_tabs"
-
--# To include MyCodeMirror JS and CSS files
-= render :partial => "/layouts/my_code_mirror", :locals => {:text_area_id => "miq_none", :mode => "ruby"}
diff --git a/app/views/pxe/_template_script_data.html.haml b/app/views/pxe/_template_script_data.html.haml
deleted file mode 100644
index 7a13417c9b0..00000000000
--- a/app/views/pxe/_template_script_data.html.haml
+++ /dev/null
@@ -1,11 +0,0 @@
-#script_div
-  = text_area_tag("script_data", @edit[:new][:script], :style => "display:none;")
-:javascript
-  ManageIQ.oneTransition.oneTrans = 0;
--# Create a MyCodeMirror editor for the text area
-= render(:partial => "/layouts/my_code_mirror",
-  :locals => {:text_area_id => "script_data",
-    :mode => @edit[:new][:typ] == "CustomizationTemplateKickstart" ? "shell" : "xml",
-    :line_numbers => true,
-    :url => url_for_only_path(:action => 'template_form_field_changed',
-      :id => "#{@ct.id || "new"}", :transOne => '1')})
diff --git a/app/views/pxe/explorer.html.haml b/app/views/pxe/explorer.html.haml
index 9cd2769e964..6e1c5f167b0 100644
--- a/app/views/pxe/explorer.html.haml
+++ b/app/views/pxe/explorer.html.haml
@@ -9,9 +9,3 @@
     = render :partial => "template_list"
   - when :iso_datastores_tree
     = render :partial => "iso_datastore_list"
-
--# To include MyCodeMirror JS and CSS files
-= render(:partial => "/layouts/my_code_mirror",
-  :locals => {:text_area_id => "miq_none",
-    :mode => "xml",
-    :modes => %w(shell xml)})
diff --git a/spec/views/miq_ae_class/show.html.haml_spec.rb b/spec/views/miq_ae_class/show.html.haml_spec.rb
deleted file mode 100644
index 993d0eefb8f..00000000000
--- a/spec/views/miq_ae_class/show.html.haml_spec.rb
+++ /dev/null
@@ -1,14 +0,0 @@
-describe "miq_ae_class/show.html.haml" do
-  let(:ae_domain) { FactoryBot.create(:miq_ae_domain) }
-
-  before do
-    allow(view).to receive(:x_node).and_return("aen-#{ae_domain.id}")
-    assign(:sb, :active_tab => 'details')
-    assign(:records, [])
-  end
-
-  it 'renders partial all_tabs' do
-    render :template => "miq_ae_class/show"
-    expect(response).to include("<div id='ae_tabs'>", "<div id='ns_details_div'>", 'miqInitCodemirror({"text_area_id":"miq_none"')
-  end
-end