diff --git a/app/views/quantities/_quantity.html.erb b/app/views/quantities/_quantity.html.erb
index 43344e2..deb5e86 100644
--- a/app/views/quantities/_quantity.html.erb
+++ b/app/views/quantities/_quantity.html.erb
@@ -1,24 +1,24 @@
-<%= tag.tr id: dom_id(quantity),
-           ondragstart: "dragStart(event)", ondragend: "dragEnd(event)",
-           ondragover: "dragOver(event)", ondrop: "drop(event)",
-           ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
-           data: {drag_path: reparent_quantity_path(quantity), drop_id: dom_id(quantity),
-                  drop_id_param: "quantity[parent_id]"} do %>
+<tr id="<%= dom_target(quantity) %>"
+    ondragstart="dragStart(event)" ondragend="dragEnd(event)"
+    ondragover="dragOver(event)" ondrop="drop(event)"
+    ondragenter="dragEnter(event)" ondragleave="dragLeave(event)"
+    data-drag-path="<%= reparent_quantity_path(quantity) %>"
+    data-drop-id="<%= dom_target(quantity) %>"
+    data-drop-id-param="<%= field_name(:quantity, :parent_id) %>">
 
   <td style="--depth:<%= quantity.depth %>">
     <%= link_to quantity, edit_quantity_path(quantity), class: 'link',
       onclick: 'this.blur();', data: {turbo_stream: true} %>
-  </td>
-  <td><%= quantity.description %></td>
+  <td><%= quantity.description %>
 
   <% if current_user.at_least(:active) %>
     <td class="flex">
-      <%= image_link_to t('.new_subquantity'), 'plus-outline', new_quantity_path(quantity),
-        id: dom_id(quantity, :new, :link), onclick: 'this.blur();', data: {turbo_stream: true} %>
+      <%= image_link_to t('.new_subquantity'), 'plus-outline',
+        new_quantity_path(quantity), id: dom_target(:new, quantity, :link),
+        onclick: 'this.blur();', data: {turbo_stream: true} %>
 
       <%= image_button_to_if quantity.destroyable?, t('.destroy'), 'delete-outline',
         quantity_path(quantity), method: :delete %>
-    </td>
-    <td class="handle" draggable="true">&#x283F</td>
+
+    <td class="handle" draggable="true">&#x283F
   <% end %>
-<% end %>
diff --git a/app/views/quantities/create.turbo_stream.erb b/app/views/quantities/create.turbo_stream.erb
index d70c0af..fa3482f 100644
--- a/app/views/quantities/create.turbo_stream.erb
+++ b/app/views/quantities/create.turbo_stream.erb
@@ -1,4 +1,4 @@
-<%= turbo_stream.close_form dom_id(@quantity.parent || Quantity, :new) %>
+<%= turbo_stream.close_form dom_target(:new, @quantity.parent || :quantity) %>
 <%= turbo_stream.remove :no_items %>
 <% @ancestors.each do |ancestor| %>
   <%= turbo_stream.replace ancestor %>
diff --git a/app/views/quantities/edit.turbo_stream.erb b/app/views/quantities/edit.turbo_stream.erb
index 3d07525..5916a9a 100644
--- a/app/views/quantities/edit.turbo_stream.erb
+++ b/app/views/quantities/edit.turbo_stream.erb
@@ -1,7 +1,7 @@
-<% ids = {row: dom_id(@quantity, :edit),
-          hidden_row: dom_id(@quantity),
+<% ids = {row: dom_target(:edit, @quantity),
+          hidden_row: dom_target(@quantity),
           link: nil,
-          form_tag: dom_id(@quantity, :edit, :form)} %>
+          form_tag: dom_target(:edit, @quantity, :form)} %>
 
 <%= turbo_stream.append :quantity_form do %>
   <%- tabular_form_with model: @quantity, html: {id: ids[:form_tag]} do %>
diff --git a/app/views/quantities/index.html.erb b/app/views/quantities/index.html.erb
index ecd3258..b0b67e2 100644
--- a/app/views/quantities/index.html.erb
+++ b/app/views/quantities/index.html.erb
@@ -1,8 +1,7 @@
 <div class="rightside-area buttongrid">
   <% if current_user.at_least(:active) %>
     <%= image_link_to t('.new_quantity'), 'plus-outline', new_quantity_path,
-      id: dom_id(Quantity, :new, :link), onclick: 'this.blur();',
-      data: {turbo_stream: true} %>
+      id: :new_quantity_link, onclick: 'this.blur();', data: {turbo_stream: true} %>
   <% end %>
   <%#= image_link_to t('.import_quantities'), 'download-outline', default_quantities_path,
     class: 'tools-area' %>
diff --git a/app/views/quantities/new.turbo_stream.erb b/app/views/quantities/new.turbo_stream.erb
index 5f3ebfd..7f08571 100644
--- a/app/views/quantities/new.turbo_stream.erb
+++ b/app/views/quantities/new.turbo_stream.erb
@@ -1,8 +1,8 @@
-<% dom_obj = @quantity.parent || @quantity %>
-<% ids = {row: dom_id(dom_obj, :new),
+<% target_id = dom_target(:new, @quantity.parent || :quantity) %>
+<% ids = {row: target_id,
           hidden_row: nil,
-          link: dom_id(dom_obj, :new, :link),
-          form_tag: dom_id(dom_obj, :new, :form)} %>
+          link: dom_target(target_id, :link),
+          form_tag: dom_target(target_id, :form)} %>
 
 <%= turbo_stream.disable ids[:link] -%>
 
diff --git a/app/views/quantities/update.turbo_stream.erb b/app/views/quantities/update.turbo_stream.erb
index 3275ed3..4c2211b 100644
--- a/app/views/quantities/update.turbo_stream.erb
+++ b/app/views/quantities/update.turbo_stream.erb
@@ -1,4 +1,4 @@
-<%= turbo_stream.close_form dom_id(@quantity, :edit) %>
+<%= turbo_stream.close_form dom_target(:edit, @quantity) %>
 <% @ancestors.push(@quantity).each do |ancestor| %>
   <%= turbo_stream.replace ancestor %>
 <% end %>
diff --git a/app/views/readouts/_form.html.erb b/app/views/readouts/_form.html.erb
index 79d1293..b53068c 100644
--- a/app/views/readouts/_form.html.erb
+++ b/app/views/readouts/_form.html.erb
@@ -1,6 +1,6 @@
 <%# TODO: add readout reordering by dragging %>
 <%= tabular_fields_for 'readouts[]', readout do |form| %>
-  <%- tag.tr id: dom_id(readout.quantity, :new, :readout) do %>
+  <%- tag.tr id: dom_target(:new, readout.quantity, :readout) do %>
     <td>
       <%# TODO: add grayed readout index (in separate column?) %>
       <%= readout.quantity.relative_pathname(@superquantity) %>
diff --git a/app/views/readouts/_form_repath.html.erb b/app/views/readouts/_form_repath.html.erb
index 5743dec..aba8381 100644
--- a/app/views/readouts/_form_repath.html.erb
+++ b/app/views/readouts/_form_repath.html.erb
@@ -1,7 +1,7 @@
 <%= turbo_stream.update(:measurement_form_legend) { @superquantity&.pathname } %>
 
 <% @prev_quantities.each do |pq| %>
-  <%= turbo_stream.update dom_id(pq, nil, :pathname) do %>
+  <%= turbo_stream.update dom_target(pq, :pathname) do %>
     <%= pq.relative_pathname(@superquantity) %>
   <% end %>
 <% end %>
diff --git a/app/views/readouts/discard.turbo_stream.erb b/app/views/readouts/discard.turbo_stream.erb
index 6966b40..56586f2 100644
--- a/app/views/readouts/discard.turbo_stream.erb
+++ b/app/views/readouts/discard.turbo_stream.erb
@@ -1,4 +1,4 @@
 <%= turbo_stream.disable :create_measurement_button if @prev_quantities.one? %>
-<%= turbo_stream.remove dom_id(@quantity, :new, :readout) %>
+<%= turbo_stream.remove dom_target(:new, @quantity, :readout) %>
 <%= render partial: 'form_repath' %>
-<%= turbo_stream.unselect dom_id(@quantity) %>
+<%= turbo_stream.unselect dom_target(@quantity) %>
diff --git a/app/views/readouts/new.turbo_stream.erb b/app/views/readouts/new.turbo_stream.erb
index 04ae31e..a6719a0 100644
--- a/app/views/readouts/new.turbo_stream.erb
+++ b/app/views/readouts/new.turbo_stream.erb
@@ -1,5 +1,5 @@
 <% @readouts.each do |r| %>
-  <%= turbo_stream.disable dom_id(r.quantity) %>
+  <%= turbo_stream.disable dom_target(r.quantity) %>
 <% end %>
 <%= render partial: 'form_repath' %>
 <%= turbo_stream.append :readouts do %>
diff --git a/app/views/units/_unit.html.erb b/app/views/units/_unit.html.erb
index db656d9..96bfc0d 100644
--- a/app/views/units/_unit.html.erb
+++ b/app/views/units/_unit.html.erb
@@ -1,32 +1,32 @@
-<%= tag.tr id: dom_id(unit),
-           ondragstart: "dragStart(event)", ondragend: "dragEnd(event)",
-           ondragover: "dragOver(event)", ondrop: "drop(event)",
-           ondragenter: "dragEnter(event)", ondragleave: "dragLeave(event)",
-           data: {drag_path: rebase_unit_path(unit),
-                  drop_id: dom_id(unit.base || unit),
-                  drop_id_param: "unit[base_id]"} do %>
+<tr id="<%= dom_target(unit) %>"
+    ondragstart="dragStart(event)" ondragend="dragEnd(event)"
+    ondragover="dragOver(event)" ondrop="drop(event)"
+    ondragenter="dragEnter(event)" ondragleave="dragLeave(event)"
+    data-drag-path="<%= rebase_unit_path(unit) %>"
+    data-drop-id="<%= dom_target(unit.base || unit) %>"
+    data-drop-id-param="<%= field_name(:unit, :base_id) %>">
 
   <td style="--depth:<%= unit.base_id? ? 1 : 0 %>">
     <%= link_to unit, edit_unit_path(unit), class: 'link', onclick: 'this.blur();',
       data: {turbo_stream: true} %>
-  </td>
-  <td><%= unit.description %></td>
+  <td><%= unit.description %>
+  <%# Closing <td> tag required to avoid whitespace inclusion for testing. %>
   <td class="ralign"><%= unit.multiplier.to_html if unit.base_id? %></td>
 
   <% if current_user.at_least(:active) %>
     <td class="flex">
       <% unless unit.base_id? %>
         <%= image_link_to t('.new_subunit'), 'plus-outline', new_unit_path(unit),
-          id: dom_id(unit, :new, :link), onclick: 'this.blur();', data: {turbo_stream: true} %>
+          id: dom_target(:new, unit, :link), onclick: 'this.blur();',
+          data: {turbo_stream: true} %>
       <% end %>
 
-      <%= image_button_to_if unit.movable?, t('.destroy'), 'delete-outline', unit_path(unit),
-        method: :delete %>
-    </td>
+      <%= image_button_to_if unit.movable?, t('.destroy'), 'delete-outline',
+        unit_path(unit), method: :delete %>
+
     <% if unit.movable? %>
-      <td class="handle" draggable="true">&#x283F</td>
+      <td class="handle" draggable="true">&#x283F
     <% else %>
-      <td></td>
+      <td>
     <% end %>
   <% end %>
-<% end %>
diff --git a/app/views/units/index.html.erb b/app/views/units/index.html.erb
index 775fef8..3ffdf0f 100644
--- a/app/views/units/index.html.erb
+++ b/app/views/units/index.html.erb
@@ -1,7 +1,7 @@
 <div class="rightside-area buttongrid">
   <% if current_user.at_least(:active) %>
     <%= image_link_to t('.new_unit'), 'plus-outline', new_unit_path,
-      id: dom_id(Unit, :new, :link), onclick: 'this.blur();', data: {turbo_stream: true} %>
+      id: :new_unit_link, onclick: 'this.blur();', data: {turbo_stream: true} %>
   <% end %>
   <%= image_link_to t('.import_units'), 'download-outline', default_units_path,
     class: 'tools-area' %>
diff --git a/config/initializers/core_ext.rb b/config/initializers/core_ext.rb
index ca7c887..8778811 100644
--- a/config/initializers/core_ext.rb
+++ b/config/initializers/core_ext.rb
@@ -9,10 +9,6 @@ ActiveSupport.on_load :action_dispatch_system_test_case do
   XPath::DSL.prepend CoreExt::XPath::DSL::NormalizeSpaceDefault
 end
 
-ActiveSupport.on_load :action_view do
-  ActionView::RecordIdentifier.prepend CoreExt::ActionView::RecordIdentifierWithSuffix
-end
-
 ActiveSupport.on_load :active_record do
   ActiveModel::Validations::NumericalityValidator
     .prepend CoreExt::ActiveModel::Validations::NumericalityValidatesPrecision
diff --git a/lib/core_ext/action_view/record_identifier_with_suffix.rb b/lib/core_ext/action_view/record_identifier_with_suffix.rb
deleted file mode 100644
index 5e2a853..0000000
--- a/lib/core_ext/action_view/record_identifier_with_suffix.rb
+++ /dev/null
@@ -1,10 +0,0 @@
-module CoreExt::ActionView::RecordIdentifierWithSuffix
-  # TODO: replace dom_id with dom_target, then remove this override
-  def dom_id(object, prefix = nil, suffix = nil)
-    if suffix
-      "#{super(object, prefix)}#{::ActionView::RecordIdentifier::JOIN}#{suffix}"
-    else
-      super(object, prefix)
-    end
-  end
-end