diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index b976663bf3..a1f8f3582a 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -565,7 +565,6 @@ phutil_register_library_map(array(
     'DifferentialSetDiffPropertyConduitAPIMethod' => 'applications/differential/conduit/DifferentialSetDiffPropertyConduitAPIMethod.php',
     'DifferentialStoredCustomField' => 'applications/differential/customfield/DifferentialStoredCustomField.php',
     'DifferentialSubscribersCommitMessageField' => 'applications/differential/field/DifferentialSubscribersCommitMessageField.php',
-    'DifferentialSubscribersField' => 'applications/differential/customfield/DifferentialSubscribersField.php',
     'DifferentialSummaryCommitMessageField' => 'applications/differential/field/DifferentialSummaryCommitMessageField.php',
     'DifferentialSummaryField' => 'applications/differential/customfield/DifferentialSummaryField.php',
     'DifferentialTagsCommitMessageField' => 'applications/differential/field/DifferentialTagsCommitMessageField.php',
@@ -5231,7 +5230,6 @@ phutil_register_library_map(array(
     'DifferentialSetDiffPropertyConduitAPIMethod' => 'DifferentialConduitAPIMethod',
     'DifferentialStoredCustomField' => 'DifferentialCustomField',
     'DifferentialSubscribersCommitMessageField' => 'DifferentialCommitMessageField',
-    'DifferentialSubscribersField' => 'DifferentialCoreCustomField',
     'DifferentialSummaryCommitMessageField' => 'DifferentialCommitMessageField',
     'DifferentialSummaryField' => 'DifferentialCoreCustomField',
     'DifferentialTagsCommitMessageField' => 'DifferentialCommitMessageField',
diff --git a/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php b/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
index e6168a4884..4b87d38d38 100644
--- a/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
+++ b/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
@@ -30,7 +30,6 @@ final class PhabricatorDifferentialConfigOptions
       new DifferentialTestPlanField(),
       new DifferentialReviewersField(),
       new DifferentialProjectReviewersField(),
-      new DifferentialSubscribersField(),
       new DifferentialRepositoryField(),
       new DifferentialViewPolicyField(),
 
diff --git a/src/applications/differential/customfield/DifferentialSubscribersField.php b/src/applications/differential/customfield/DifferentialSubscribersField.php
deleted file mode 100644
index b8423e9879..0000000000
--- a/src/applications/differential/customfield/DifferentialSubscribersField.php
+++ /dev/null
@@ -1,93 +0,0 @@
-<?php
-
-final class DifferentialSubscribersField
-  extends DifferentialCoreCustomField {
-
-  public function getFieldKey() {
-    return 'differential:subscribers';
-  }
-
-  public function getFieldKeyForConduit() {
-    return 'ccPHIDs';
-  }
-
-  public function getFieldName() {
-    return pht('Subscribers');
-  }
-
-  public function getFieldDescription() {
-    return pht('Manage subscribers.');
-  }
-
-  protected function readValueFromRevision(
-    DifferentialRevision $revision) {
-    if (!$revision->getPHID()) {
-      return array();
-    }
-
-    return PhabricatorSubscribersQuery::loadSubscribersForPHID(
-      $revision->getPHID());
-  }
-
-  public function getNewValueForApplicationTransactions() {
-    return array('=' => $this->getValue());
-  }
-
-  public function readValueFromRequest(AphrontRequest $request) {
-    $this->setValue($request->getArr($this->getFieldKey()));
-  }
-
-  public function renderEditControl(array $handles) {
-    return id(new AphrontFormTokenizerControl())
-      ->setUser($this->getViewer())
-      ->setName($this->getFieldKey())
-      ->setDatasource(new PhabricatorMetaMTAMailableDatasource())
-      ->setValue($this->getValue())
-      ->setError($this->getFieldError())
-      ->setLabel($this->getFieldName());
-  }
-
-  public function getApplicationTransactionType() {
-    return PhabricatorTransactions::TYPE_SUBSCRIBERS;
-  }
-
-  public function shouldAppearInCommitMessage() {
-    return true;
-  }
-
-  public function shouldAllowEditInCommitMessage() {
-    return true;
-  }
-
-  public function shouldAppearInCommitMessageTemplate() {
-    return true;
-  }
-
-  public function getCommitMessageLabels() {
-    return array(
-      'CC',
-      'CCs',
-      'Subscriber',
-      'Subscribers',
-    );
-  }
-
-  public function parseValueFromCommitMessage($value) {
-    return $this->parseObjectList(
-      $value,
-      array(
-        PhabricatorPeopleUserPHIDType::TYPECONST,
-        PhabricatorProjectProjectPHIDType::TYPECONST,
-        PhabricatorOwnersPackagePHIDType::TYPECONST,
-      ));
-  }
-
-  public function getRequiredHandlePHIDsForCommitMessage() {
-    return $this->getValue();
-  }
-
-  public function renderCommitMessageValue(array $handles) {
-    return $this->renderObjectList($handles);
-  }
-
-}