diff --git a/app/controllers/targets_controller.rb b/app/controllers/targets_controller.rb
index 0b8d2d7..3ae4f29 100644
--- a/app/controllers/targets_controller.rb
+++ b/app/controllers/targets_controller.rb
@@ -6,7 +6,7 @@ class TargetsController < ApplicationController
   include Concerns::Finders
 
   before_action :find_goal_by_goal_id,
-    only: [:index, :new, :create, :edit, :update, :toggle_exposure]
+    only: [:index, :new, :create, :edit, :update, :destroy, :toggle_exposure]
   before_action :find_quantity_by_quantity_id, only: [:toggle_exposure, :subthresholds]
   before_action :authorize
   #before_action :set_view_params
@@ -54,17 +54,27 @@ class TargetsController < ApplicationController
     params[:goal][:targets_attributes].each { |ta| ta[:effective_from] = @effective_from }
 
     if @goal.update(targets_params)
-      flash.now[:notice] = t('.success')
+      count = @goal.targets.target.count { |t| t.previous_changes.present? }
+      flash.now[:notice] = t('.success', count: count)
       prepare_targets
+      render :index
     else
       @targets = @goal.targets.where(id: targets_params[:targets_attributes].pluck(:id))
-      @targets += @goal.targets.select(&:changed_for_autosave?)
+      @targets += @goal.targets.target.select(&:changed_for_autosave?)
         .each { |t| t.thresholds.new unless t.thresholds.present? }
       render :edit
     end
   end
 
   def destroy
+    @effective_from = params[:date]
+    @targets = @goal.targets.where(effective_from: @effective_from)
+    count = @targets.destroy_all.length
+    if @targets.all?(&:destroyed?)
+      flash.now[:notice] = t('.success', count: count)
+    else
+      flash.now[:error] = t('.failure')
+    end
   end
 
   def reapply
diff --git a/app/models/validations/nested_uniqueness.rb b/app/models/validations/nested_uniqueness.rb
index dfa1cc2..2311f96 100644
--- a/app/models/validations/nested_uniqueness.rb
+++ b/app/models/validations/nested_uniqueness.rb
@@ -63,6 +63,7 @@ module Validations::NestedUniqueness
         end
       end
       if records
+        # TODO: reset collction, not proxy
         collection.proxy_association.reset
         records.each { |r| collection.proxy_association.add_to_target(r) }
       end
diff --git a/app/views/targets/destroy.js.erb b/app/views/targets/destroy.js.erb
new file mode 100644
index 0000000..677f752
--- /dev/null
+++ b/app/views/targets/destroy.js.erb
@@ -0,0 +1,3 @@
+<% if @targets.all?(&:destroyed?) %>
+  $('tr[id=date-<%= @effective_from %>]').nextUntil('tr.primary').addBack().remove();
+<% end %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index eeaac3c..11694a8 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -122,6 +122,15 @@ en:
         zero: "No targets specified"
         one: "Created 1 target"
         other: "Created %{count} targets"
+    update:
+      success:
+        one: "Successfully updated target"
+        other: "Successfully updated targets"
+    destroy:
+      success:
+        one: "Deleted 1 target"
+        other: "Deleted %{count} targets"
+      failure: "Some targets have not been deleted"
   meals:
     contextual:
       link_new_meal: 'New meal'
diff --git a/test/system/targets_test.rb b/test/system/targets_test.rb
index e39f3fe..61b98d0 100644
--- a/test/system/targets_test.rb
+++ b/test/system/targets_test.rb
@@ -13,15 +13,22 @@ class TargetsTest < BodyTrackingSystemTestCase
   def test_index_binding_goal
     goal = @project.goals.binding
     assert_not_equal 0, goal.targets.count
+
     visit goal_targets_path(goal)
-    assert_selector 'table#targets tbody tr',
-      count: goal.targets.distinct.pluck(:effective_from).count
+    within 'table#targets tbody' do
+      dates = goal.targets.distinct.pluck(:effective_from)
+      assert_selector 'tr', count: dates.count
+      dates.each do |date|
+        assert_selector 'td', text: date
+      end
+    end
   end
 
   def test_index_binding_goal_without_targets
     goal = @project.goals.binding
     goal.targets.delete_all
     assert_equal 0, goal.targets.count
+
     visit goal_targets_path(goal)
     assert_current_path goal_targets_path(goal)
     assert_selector 'div#targets', visible: :yes, exact_text: t(:label_no_data)
@@ -58,6 +65,10 @@ class TargetsTest < BodyTrackingSystemTestCase
     assert_selector 'table#targets thead th'
   end
 
+  def test_show
+    # TODO
+  end
+
   def test_new_binding_target
     visit goal_targets_path(@project.goals.binding)
     assert_no_selector 'form#new-target-form'
@@ -112,8 +123,11 @@ class TargetsTest < BodyTrackingSystemTestCase
     assert_equal threshold_unit, t.thresholds.first.unit
 
     assert_no_selector 'form#new-target-form'
-    assert_selector 'table#targets tbody tr',
-      count: goal.targets.distinct.pluck(:effective_from).count
+    assert_selector 'div.flash.notice'
+    within 'table#targets tbody' do
+      assert_selector 'tr', count: goal.targets.distinct.pluck(:effective_from).count
+      assert_selector 'td', text: date
+    end
   end
 
   def test_create_binding_target_when_binding_goal_does_not_exist
@@ -336,9 +350,9 @@ class TargetsTest < BodyTrackingSystemTestCase
         end
 
         click_on t(:button_save)
-        assert_no_selector 'div#errorExplanation'
       end
     end
+    assert_no_selector 'div#errorExplanation'
 
     target.reload
     assert_equal date, target.effective_from
@@ -350,6 +364,12 @@ class TargetsTest < BodyTrackingSystemTestCase
       assert_equal t_value, target.thresholds[index].value
       assert_equal t_unit, target.thresholds[index].unit
     end
+
+    assert_selector 'div.flash.notice'
+    within 'table#targets tbody' do
+      assert_no_selector 'td', text: target_date
+      assert_selector 'td', text: date
+    end
   end
 
   def test_update_swap_targets
@@ -373,9 +393,9 @@ class TargetsTest < BodyTrackingSystemTestCase
         select2.select quantity1
 
         click_on t(:button_save)
-        assert_no_selector 'div#errorExplanation'
       end
     end
+    assert_no_selector 'div#errorExplanation'
 
     target1.reload
     target2.reload
@@ -405,15 +425,38 @@ class TargetsTest < BodyTrackingSystemTestCase
         end
 
         click_on t(:button_save)
-        assert_no_selector 'div#errorExplanation'
       end
     end
+    assert_no_selector 'div#errorExplanation'
 
     new_target = Target.last
     assert new_target.quantity, target.quantity
     assert_raises(ActiveRecord::RecordNotFound) { target.reload }
   end
 
+  def test_destroy
+    goal = @project.goals.binding
+    date = goal.targets.distinct.pluck(:effective_from).sample
+    targets = goal.targets.where(effective_from: date)
+
+    visit goal_targets_path(goal)
+    assert_difference 'Goal.count' => 0, 'Target.count' => - targets.length,
+                      'Threshold.count' => - targets.sum { |t| t.thresholds.length } do
+      find('td', text: date).ancestor('tr').click_link t(:button_delete)
+    end
+    assert_empty goal.targets.reload.where(effective_from: date)
+
+    assert_selector 'div.flash.notice'
+    within 'table#targets tbody' do
+      assert_selector 'tr', count: goal.targets.distinct.pluck(:effective_from).count
+      assert_no_selector 'td', text: date
+    end
+  end
+
+  def test_reapply
+    # TODO
+  end
+
   def fill_thresholds(thresholds)
     thresholds.each do |threshold|
       t_quantity, t_value, t_unit = threshold