diff --git a/bin/hunks b/bin/hunks
deleted file mode 120000
--- a/bin/hunks
+++ /dev/null
@@ -1 +0,0 @@
-../scripts/setup/manage_hunks.php
\ No newline at end of file
diff --git a/scripts/setup/manage_hunks.php b/scripts/setup/manage_hunks.php
deleted file mode 100755
--- a/scripts/setup/manage_hunks.php
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env php
-<?php
-
-$root = dirname(dirname(dirname(__FILE__)));
-require_once $root.'/scripts/__init_script__.php';
-
-$args = new PhutilArgumentParser($argv);
-$args->setTagline(pht('manage hunks'));
-$args->setSynopsis(<<<EOSYNOPSIS
-**hunks** __command__ [__options__]
-    Manage Differential hunk storage.
-
-EOSYNOPSIS
-  );
-$args->parseStandardArguments();
-
-$workflows = id(new PhutilClassMapQuery())
-  ->setAncestorClass('PhabricatorHunksManagementWorkflow')
-  ->execute();
-$workflows[] = new PhutilHelpArgumentWorkflow();
-$args->parseWorkflows($workflows);
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2784,8 +2784,6 @@
     'PhabricatorHomeQuickCreateController' => 'applications/home/controller/PhabricatorHomeQuickCreateController.php',
     'PhabricatorHovercardEngineExtension' => 'applications/search/engineextension/PhabricatorHovercardEngineExtension.php',
     'PhabricatorHovercardEngineExtensionModule' => 'applications/search/engineextension/PhabricatorHovercardEngineExtensionModule.php',
-    'PhabricatorHunksManagementMigrateWorkflow' => 'applications/differential/management/PhabricatorHunksManagementMigrateWorkflow.php',
-    'PhabricatorHunksManagementWorkflow' => 'applications/differential/management/PhabricatorHunksManagementWorkflow.php',
     'PhabricatorIDsSearchEngineExtension' => 'applications/search/engineextension/PhabricatorIDsSearchEngineExtension.php',
     'PhabricatorIDsSearchField' => 'applications/search/field/PhabricatorIDsSearchField.php',
     'PhabricatorIRCProtocolAdapter' => 'infrastructure/daemon/bot/adapter/PhabricatorIRCProtocolAdapter.php',
@@ -7777,8 +7775,6 @@
     'PhabricatorHomeQuickCreateController' => 'PhabricatorHomeController',
     'PhabricatorHovercardEngineExtension' => 'Phobject',
     'PhabricatorHovercardEngineExtensionModule' => 'PhabricatorConfigModule',
-    'PhabricatorHunksManagementMigrateWorkflow' => 'PhabricatorHunksManagementWorkflow',
-    'PhabricatorHunksManagementWorkflow' => 'PhabricatorManagementWorkflow',
     'PhabricatorIDsSearchEngineExtension' => 'PhabricatorSearchEngineExtension',
     'PhabricatorIDsSearchField' => 'PhabricatorSearchField',
     'PhabricatorIRCProtocolAdapter' => 'PhabricatorProtocolAdapter',
diff --git a/src/applications/differential/management/PhabricatorHunksManagementMigrateWorkflow.php b/src/applications/differential/management/PhabricatorHunksManagementMigrateWorkflow.php
deleted file mode 100644
--- a/src/applications/differential/management/PhabricatorHunksManagementMigrateWorkflow.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-
-final class PhabricatorHunksManagementMigrateWorkflow
-  extends PhabricatorHunksManagementWorkflow {
-
-  protected function didConstruct() {
-    $this
-      ->setName('migrate')
-      ->setExamples('**migrate**')
-      ->setSynopsis(pht('Migrate hunks to modern storage.'))
-      ->setArguments(array());
-  }
-
-  public function execute(PhutilArgumentParser $args) {
-    $saw_any_rows = false;
-    $console = PhutilConsole::getConsole();
-
-    $table = new DifferentialLegacyHunk();
-    foreach (new LiskMigrationIterator($table) as $hunk) {
-      $saw_any_rows = true;
-
-      $id = $hunk->getID();
-      $console->writeOut("%s\n", pht('Migrating hunk %d...', $id));
-
-      $new_hunk = id(new DifferentialModernHunk())
-        ->setChangesetID($hunk->getChangesetID())
-        ->setOldOffset($hunk->getOldOffset())
-        ->setOldLen($hunk->getOldLen())
-        ->setNewOffset($hunk->getNewOffset())
-        ->setNewLen($hunk->getNewLen())
-        ->setChanges($hunk->getChanges())
-        ->setDateCreated($hunk->getDateCreated())
-        ->setDateModified($hunk->getDateModified());
-
-      $hunk->openTransaction();
-        $new_hunk->save();
-        $hunk->delete();
-      $hunk->saveTransaction();
-
-      $old_len = strlen($hunk->getChanges());
-      $new_len = strlen($new_hunk->getData());
-      if ($old_len) {
-        $diff_len = ($old_len - $new_len);
-        $console->writeOut(
-          "%s\n",
-          pht(
-            'Saved %s bytes (%s).',
-            new PhutilNumber($diff_len),
-            sprintf('%.1f%%', 100 * ($diff_len / $old_len))));
-      }
-    }
-
-    if ($saw_any_rows) {
-      $console->writeOut("%s\n", pht('Done.'));
-    } else {
-      $console->writeOut("%s\n", pht('No rows to migrate.'));
-    }
-  }
-
-}
diff --git a/src/applications/differential/management/PhabricatorHunksManagementWorkflow.php b/src/applications/differential/management/PhabricatorHunksManagementWorkflow.php
deleted file mode 100644
--- a/src/applications/differential/management/PhabricatorHunksManagementWorkflow.php
+++ /dev/null
@@ -1,4 +0,0 @@
-<?php
-
-abstract class PhabricatorHunksManagementWorkflow
-  extends PhabricatorManagementWorkflow {}
diff --git a/src/applications/differential/query/DifferentialHunkQuery.php b/src/applications/differential/query/DifferentialHunkQuery.php
--- a/src/applications/differential/query/DifferentialHunkQuery.php
+++ b/src/applications/differential/query/DifferentialHunkQuery.php
@@ -46,23 +46,9 @@
       $this->buildLimitClause($conn_r));
     $modern_results = $table->loadAllFromArray($modern_data);
 
-
-    // Now, load legacy hunks.
-    $table = new DifferentialLegacyHunk();
-    $conn_r = $table->establishConnection('r');
-
-    $legacy_data = queryfx_all(
-      $conn_r,
-      'SELECT * FROM %T %Q %Q %Q',
-      $table->getTableName(),
-      $this->buildWhereClause($conn_r),
-      $this->buildOrderClause($conn_r),
-      $this->buildLimitClause($conn_r));
-    $legacy_results = $table->loadAllFromArray($legacy_data);
-
     // Strip all the IDs off since they're not unique and nothing should be
     // using them.
-    return array_values(array_merge($legacy_results, $modern_results));
+    return array_values($modern_results);
   }
 
   protected function willFilterPage(array $hunks) {
diff --git a/src/applications/differential/storage/DifferentialChangeset.php b/src/applications/differential/storage/DifferentialChangeset.php
--- a/src/applications/differential/storage/DifferentialChangeset.php
+++ b/src/applications/differential/storage/DifferentialChangeset.php
@@ -98,13 +98,6 @@
   public function delete() {
     $this->openTransaction();
 
-      $legacy_hunks = id(new DifferentialLegacyHunk())->loadAllWhere(
-        'changesetID = %d',
-        $this->getID());
-      foreach ($legacy_hunks as $legacy_hunk) {
-        $legacy_hunk->delete();
-      }
-
       $modern_hunks = id(new DifferentialModernHunk())->loadAllWhere(
         'changesetID = %d',
         $this->getID());