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
@@ -379,7 +379,6 @@
     'DifferentialChangesetTwoUpRenderer' => 'applications/differential/render/DifferentialChangesetTwoUpRenderer.php',
     'DifferentialChangesetTwoUpTestRenderer' => 'applications/differential/render/DifferentialChangesetTwoUpTestRenderer.php',
     'DifferentialChangesetViewController' => 'applications/differential/controller/DifferentialChangesetViewController.php',
-    'DifferentialChildRevisionsField' => 'applications/differential/customfield/DifferentialChildRevisionsField.php',
     'DifferentialCloseConduitAPIMethod' => 'applications/differential/conduit/DifferentialCloseConduitAPIMethod.php',
     'DifferentialCommentPreviewController' => 'applications/differential/controller/DifferentialCommentPreviewController.php',
     'DifferentialCommentSaveController' => 'applications/differential/controller/DifferentialCommentSaveController.php',
@@ -5025,7 +5024,6 @@
     'DifferentialChangesetTwoUpRenderer' => 'DifferentialChangesetHTMLRenderer',
     'DifferentialChangesetTwoUpTestRenderer' => 'DifferentialChangesetTestRenderer',
     'DifferentialChangesetViewController' => 'DifferentialController',
-    'DifferentialChildRevisionsField' => 'DifferentialCustomField',
     'DifferentialCloseConduitAPIMethod' => 'DifferentialConduitAPIMethod',
     'DifferentialCommentPreviewController' => 'DifferentialController',
     'DifferentialCommentSaveController' => 'DifferentialController',
diff --git a/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php b/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
--- a/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
+++ b/src/applications/differential/config/PhabricatorDifferentialConfigOptions.php
@@ -40,7 +40,6 @@
       new DifferentialEditPolicyField(),
 
       new DifferentialParentRevisionsField(),
-      new DifferentialChildRevisionsField(),
       new DifferentialManiphestTasksField(),
       new DifferentialCommitsField(),
 
diff --git a/src/applications/differential/customfield/DifferentialChildRevisionsField.php b/src/applications/differential/customfield/DifferentialChildRevisionsField.php
deleted file mode 100644
--- a/src/applications/differential/customfield/DifferentialChildRevisionsField.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-final class DifferentialChildRevisionsField
-  extends DifferentialCustomField {
-
-  public function getFieldKey() {
-    return 'differential:dependencies';
-  }
-
-  public function getFieldName() {
-    return pht('Child Revisions');
-  }
-
-  public function canDisableField() {
-    return false;
-  }
-
-  public function getFieldDescription() {
-    return pht('Lists revisions this one is depended on by.');
-  }
-
-}