diff --git a/app/helpers/icons_helper.rb b/app/helpers/icons_helper.rb
index bcd887be1..d91995326 100644
--- a/app/helpers/icons_helper.rb
+++ b/app/helpers/icons_helper.rb
@@ -90,7 +90,7 @@ module IconsHelper
     sprite_icon(icon_name, **)
   end
 
-  def mime_type_icon(mime_type, ...)
+  def file_type_icon(mime_type, ...)
     icon_name = icon_for_mime_type(mime_type)
     sprite_icon(icon_name, ...)
   end
diff --git a/app/views/attachments/edit_all.html.erb b/app/views/attachments/edit_all.html.erb
index 15b46c5e0..3b1800c5b 100644
--- a/app/views/attachments/edit_all.html.erb
+++ b/app/views/attachments/edit_all.html.erb
@@ -11,7 +11,7 @@
   <% @attachments.each do |attachment| %>
     <tr>
       <td colspan="2">
-        <span class="icon icon-attachment"><%= mime_type_icon(attachment.content_type_was, attachment.filename_was) %></span>
+        <span class="icon icon-attachment"><%= file_type_icon(attachment.content_type_was, attachment.filename_was) %></span>
         <span class="size">(<%= number_to_human_size attachment.filesize %>)</span>
         <span class="author"><%= attachment.author %>, <%= format_time(attachment.created_on) %></span>
       </td>
diff --git a/app/views/issues/_edit.html.erb b/app/views/issues/_edit.html.erb
index 78155c9b8..a21570816 100644
--- a/app/views/issues/_edit.html.erb
+++ b/app/views/issues/_edit.html.erb
@@ -54,7 +54,7 @@
         <div id="existing-attachments" style="<%= @issue.deleted_attachment_ids.blank? ? 'display:none;' : '' %>">
           <% @issue.attachments.each do |attachment| %>
           <span class="existing-attachment">
-            <%= mime_type_icon(attachment.content_type, size: 12) %>
+            <%= file_type_icon(attachment.content_type, size: 12) %>
             <%= text_field_tag '', attachment.filename, :class => "icon icon-attachment filename", :disabled => true %>
             <label>
               <%= check_box_tag 'issue[deleted_attachment_ids][]',
diff --git a/app/views/wiki/edit.html.erb b/app/views/wiki/edit.html.erb
index 9e649ce8e..56d9f2708 100644
--- a/app/views/wiki/edit.html.erb
+++ b/app/views/wiki/edit.html.erb
@@ -41,7 +41,7 @@
 <div id="existing-attachments" style="<%= @page.deleted_attachment_ids.blank? ? 'display:none;' : '' %>">
   <% @page.attachments.each do |attachment| %>
   <span class="existing-attachment">
-    <%= mime_type_icon(attachment.content_type, size: 12) %>
+    <%= file_type_icon(attachment.content_type, size: 12) %>
     <%= text_field_tag '', attachment.filename, :class => "icon icon-attachment filename", :disabled => true %>
     <label class='inline'>
       <%= check_box_tag 'wiki_page[deleted_attachment_ids][]',
diff --git a/test/helpers/icons_helper_test.rb b/test/helpers/icons_helper_test.rb
index 7c66b5a2f..e14ce1c43 100644
--- a/test/helpers/icons_helper_test.rb
+++ b/test/helpers/icons_helper_test.rb
@@ -124,14 +124,14 @@ class IconsHelperTest < Redmine::HelperTest
     assert_match expected, activity_event_type_icon('time-entry')
   end
 
-  def test_mime_type_icon_should_return_specific_icon_for_known_mime_types
+  def test_file_type_icon_should_return_specific_icon_for_known_mime_types
     expected = %r{<svg class="s18 icon-svg" aria-hidden="true"><use href="/assets/icons-\w+.svg#icon--text-plain"></use></svg>}
-    assert_match expected, mime_type_icon('text/plain')
+    assert_match expected, file_type_icon('text/plain')
   end
 
-  def test_mime_type_icon_should_return_generic_file_icon_for_unknown_mime_types
+  def test_file_type_icon_should_return_generic_file_icon_for_unknown_mime_types
     expected = %r{<svg class="s18 icon-svg" aria-hidden="true"><use href="/assets/icons-\w+.svg#icon--file"></use></svg>}
-    assert_match expected, mime_type_icon('unknown-type/unknown-subtype')
+    assert_match expected, file_type_icon('unknown-type/unknown-subtype')
   end
 
   def test_icon_for_mime_type_should_return_specific_icon_for_known_mime_types