diff --git a/app/controllers/admin/collections_controller.rb b/app/controllers/admin/collections_controller.rb
index 2698abbd45..405c779e3d 100644
--- a/app/controllers/admin/collections_controller.rb
+++ b/app/controllers/admin/collections_controller.rb
@@ -20,7 +20,7 @@ module Admin
     def batch
       authorize [:admin, :collection], :index?
 
-      @collection_batch_action = Admin::CollectionBatchAction.new(admin_collection_batch_action_params.merge(current_account: current_account, report_id: params[:report_id], type: 'report'))
+      @collection_batch_action = Admin::CollectionBatchAction.new(admin_collection_batch_action_params.merge(current_account: current_account, report_id: params[:report_id], type: action_from_button))
 
       @collection_batch_action.save!
     rescue ActionController::ParameterMissing
@@ -57,5 +57,13 @@ module Admin
     def set_collections
       @collections = @account.collections.includes(accepted_collection_items: :account).page(params[:page]).per(PER_PAGE)
     end
+
+    def action_from_button
+      if params[:report]
+        'report'
+      elsif params[:remove_from_report]
+        'remove_from_report'
+      end
+    end
   end
 end
diff --git a/app/controllers/admin/reports_controller.rb b/app/controllers/admin/reports_controller.rb
index 44ee7206bf..f12e3da4e1 100644
--- a/app/controllers/admin/reports_controller.rb
+++ b/app/controllers/admin/reports_controller.rb
@@ -16,6 +16,8 @@ module Admin
       @report_notes = @report.notes.chronological.includes(:account)
       @action_logs  = @report.history.includes(:target)
       @form         = Admin::StatusBatchAction.new
+      @collection_form = Admin::CollectionBatchAction.new
+      @collections  = @report.collections
       @statuses     = @report.statuses.with_includes
     end
 
diff --git a/app/javascript/entrypoints/admin.tsx b/app/javascript/entrypoints/admin.tsx
index 91c3bd640a..49ab58cc5b 100644
--- a/app/javascript/entrypoints/admin.tsx
+++ b/app/javascript/entrypoints/admin.tsx
@@ -69,8 +69,9 @@ on('change', '#batch_checkbox_all', ({ target }) => {
     '.batch-table__select-all',
   );
 
-  document
-    .querySelectorAll<HTMLInputElement>(batchCheckboxClassName)
+  target
+    .closest('.batch-table')
+    ?.querySelectorAll<HTMLInputElement>(batchCheckboxClassName)
     .forEach((content) => {
       content.checked = target.checked;
     });
@@ -112,17 +113,20 @@ on('click', '.batch-table__select-all button', () => {
   }
 });
 
-on('change', batchCheckboxClassName, () => {
-  const checkAllElement = document.querySelector<HTMLInputElement>(
+on('change', batchCheckboxClassName, (event) => {
+  const targetTable = (event.target as HTMLElement).closest('.batch-table');
+  if (!targetTable) return;
+
+  const checkAllElement = targetTable.querySelector<HTMLInputElement>(
     'input#batch_checkbox_all',
   );
-  const selectAllMatchingElement = document.querySelector(
+  const selectAllMatchingElement = targetTable.querySelector(
     '.batch-table__select-all',
   );
 
   if (checkAllElement) {
     const allCheckboxes = Array.from(
-      document.querySelectorAll<HTMLInputElement>(batchCheckboxClassName),
+      targetTable.querySelectorAll<HTMLInputElement>(batchCheckboxClassName),
     );
     checkAllElement.checked = allCheckboxes.every((content) => content.checked);
     checkAllElement.indeterminate =
diff --git a/app/models/admin/collection_batch_action.rb b/app/models/admin/collection_batch_action.rb
index d08f17d747..750582191c 100644
--- a/app/models/admin/collection_batch_action.rb
+++ b/app/models/admin/collection_batch_action.rb
@@ -13,7 +13,12 @@ class Admin::CollectionBatchAction < Admin::BaseAction
   def process_action!
     return unless collection_ids
 
-    add_to_report!
+    case type
+    when 'report'
+      add_to_report!
+    when 'remove_from_report'
+      handle_remove_from_report!
+    end
   end
 
   def add_to_report!
@@ -24,6 +29,13 @@ class Admin::CollectionBatchAction < Admin::BaseAction
     @report_id = @report.id
   end
 
+  def handle_remove_from_report!
+    return unless with_report?
+
+    @report.collections = (@report.collections - selected_collections)
+    @report.save!
+  end
+
   def selected_collections
     @report.target_account.collections.where(id: collection_ids)
   end
diff --git a/app/views/admin/reports/show.html.haml b/app/views/admin/reports/show.html.haml
index 0aa2f69ba5..bae69cca04 100644
--- a/app/views/admin/reports/show.html.haml
+++ b/app/views/admin/reports/show.html.haml
@@ -63,23 +63,26 @@
           = render partial: 'admin/shared/status_batch_row', collection: @statuses, as: :status, locals: { f: f }
 
 - if Mastodon::Feature.collections_enabled?
-  %details{ open: @report.collections.any? }
+  %details{ open: @collections.any? }
     %summary
-      = t 'admin.reports.collections', count: @report.collections.size
+      = t 'admin.reports.collections', count: @collections.size
 
-    = form_with model: @form, url: batch_admin_account_collections_path(@report.target_account_id, report_id: @report.id) do |f|
+    = form_with model: @collection_form, url: batch_admin_account_collections_path(@report.target_account_id, report_id: @report.id) do |f|
       .batch-table
         .batch-table__toolbar
           %label.batch-table__toolbar__select.batch-checkbox-all
+            = check_box_tag :batch_checkbox_all, nil, false
           .batch-table__toolbar__actions
             = link_to safe_join([material_symbol('add'), t('admin.reports.add_to_report')]),
                       admin_account_collections_path(@report.target_account_id, report_id: @report.id),
                       class: 'table-action-link'
+            - if !@collections.empty? && @report.unresolved?
+              = f.button safe_join([material_symbol('close'), t('admin.collections.batch.remove_from_report')]), name: :remove_from_report, class: 'table-action-link', type: :submit
         .batch-table__body
-          - if @report.collections.empty?
+          - if @collections.empty?
             = nothing_here 'nothing-here--under-tabs'
           - else
-            = render partial: 'admin/shared/collection_batch_row', collection: @report.collections, as: :collection, locals: { f: f }
+            = render partial: 'admin/shared/collection_batch_row', collection: @collections, as: :collection, locals: { f: f }
 
 - if @report.unresolved?
   %hr.spacer/
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 4a95e738b4..41c80e39d0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -349,6 +349,7 @@ en:
       back_to_report: Back to report page
       batch:
         add_to_report: 'Add to report #%{id}'
+        remove_from_report: Remove from report
         report: Report
       collection_title: Collection by %{name}
       contents: Contents
diff --git a/spec/models/admin/collection_batch_action_spec.rb b/spec/models/admin/collection_batch_action_spec.rb
index 0ed57817e0..e4ebb2439e 100644
--- a/spec/models/admin/collection_batch_action_spec.rb
+++ b/spec/models/admin/collection_batch_action_spec.rb
@@ -46,5 +46,15 @@ RSpec.describe Admin::CollectionBatchAction do
         expect(Report.last.collections).to include(collection)
       end
     end
+
+    context 'when type is remove_from_report' do
+      let(:report_id) { report.id }
+      let(:type) { 'remove_from_report' }
+
+      it 'does not remove report but removes collection' do
+        expect { subject.save! }.to change { report.reload.collections }.to([])
+          .and not_change(Report, :count)
+      end
+    end
   end
 end
diff --git a/spec/requests/admin/collections_spec.rb b/spec/requests/admin/collections_spec.rb
index 6cb3a1ec2d..c6f1833a2b 100644
--- a/spec/requests/admin/collections_spec.rb
+++ b/spec/requests/admin/collections_spec.rb
@@ -6,7 +6,8 @@ RSpec.describe 'Admin Collections' do
   let(:account) { Fabricate(:account) }
   let(:other_account) { Fabricate(:account) }
   let(:collection) { Fabricate(:collection, account: account) }
-  let!(:second_collection) { Fabricate(:collection, account: account) }
+  let(:unreported_collection) { Fabricate(:collection, account: account) }
+  let(:second_collection) { Fabricate(:collection, account: account) }
   let(:report) { Fabricate(:report, account: other_account, target_account: account) }
 
   before do
@@ -32,20 +33,49 @@ RSpec.describe 'Admin Collections' do
   end
 
   describe 'POST /admin/accounts/:account_id/collections/batch' do
-    subject { post batch_admin_account_collections_path(account_id: account.id, report_id: report_id, admin_collection_batch_action: { collection_ids: [collection.id, second_collection.id] }) }
+    subject { post batch_admin_account_collections_path(:account_id => account.id, :report_id => report_id, action_from_button => '', :admin_collection_batch_action => { collection_ids: [collection.id, second_collection.id] }) }
 
     context 'with a valid report' do
       let(:report_id) { report.id }
+      let(:action_from_button) { 'report' }
 
       it 'redirects to the report page' do
         report.collections << collection
         subject
         expect(response).to redirect_to(admin_report_path(report.id))
+        expect(response.body).to be_empty
+        expect(response).to have_http_status(302)
       end
     end
 
     context 'with an invalid report' do
       let(:report_id) { nil }
+      let(:action_from_button) { 'report' }
+
+      it 'redirects to the account collections page' do
+        subject
+        expect(response).to redirect_to(admin_account_collections_path(account.id))
+        expect(response).to have_http_status(302)
+      end
+    end
+
+    context 'with valid remove_from_report' do
+      let(:report_id) { report.id }
+      let(:action_from_button) { 'remove_from_report' }
+
+      before do
+        report.collections << [second_collection, unreported_collection]
+      end
+
+      it 'redirects to the account collections page' do
+        subject
+        expect(response).to redirect_to(admin_report_path(report.id))
+      end
+    end
+
+    context 'with invalid remove_from_report' do
+      let(:report_id) { nil }
+      let(:action_from_button) { 'remove_from_report' }
 
       it 'redirects to the account collections page' do
         subject