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
@@ -354,7 +354,6 @@
     'DifferentialAsanaRepresentationField' => 'applications/differential/customfield/DifferentialAsanaRepresentationField.php',
     'DifferentialAuditorsCommitMessageField' => 'applications/differential/field/DifferentialAuditorsCommitMessageField.php',
     'DifferentialAuditorsField' => 'applications/differential/customfield/DifferentialAuditorsField.php',
-    'DifferentialAuthorField' => 'applications/differential/customfield/DifferentialAuthorField.php',
     'DifferentialBlameRevisionCommitMessageField' => 'applications/differential/field/DifferentialBlameRevisionCommitMessageField.php',
     'DifferentialBlameRevisionField' => 'applications/differential/customfield/DifferentialBlameRevisionField.php',
     'DifferentialBlockHeraldAction' => 'applications/differential/herald/DifferentialBlockHeraldAction.php',
@@ -4998,7 +4997,6 @@
     'DifferentialAsanaRepresentationField' => 'DifferentialCustomField',
     'DifferentialAuditorsCommitMessageField' => 'DifferentialCommitMessageCustomField',
     'DifferentialAuditorsField' => 'DifferentialStoredCustomField',
-    'DifferentialAuthorField' => 'DifferentialCustomField',
     'DifferentialBlameRevisionCommitMessageField' => 'DifferentialCommitMessageCustomField',
     'DifferentialBlameRevisionField' => 'DifferentialStoredCustomField',
     'DifferentialBlockHeraldAction' => 'HeraldAction',
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
@@ -30,7 +30,6 @@
       new DifferentialTitleField(),
       new DifferentialSummaryField(),
       new DifferentialTestPlanField(),
-      new DifferentialAuthorField(),
       new DifferentialReviewersField(),
       new DifferentialProjectReviewersField(),
       new DifferentialReviewedByField(),
diff --git a/src/applications/differential/customfield/DifferentialAuthorField.php b/src/applications/differential/customfield/DifferentialAuthorField.php
deleted file mode 100644
--- a/src/applications/differential/customfield/DifferentialAuthorField.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-
-final class DifferentialAuthorField
-  extends DifferentialCustomField {
-
-  public function getFieldKey() {
-    return 'differential:author';
-  }
-
-  public function getFieldName() {
-    return pht('Author');
-  }
-
-  public function getFieldDescription() {
-    return pht('Stores the revision author.');
-  }
-
-  public function canDisableField() {
-    return false;
-  }
-
-  public function shouldAppearInPropertyView() {
-    return false;
-  }
-
-  public function renderPropertyViewLabel() {
-    return $this->getFieldName();
-  }
-
-  public function getRequiredHandlePHIDsForPropertyView() {
-    return array($this->getObject()->getAuthorPHID());
-  }
-
-  public function renderPropertyViewValue(array $handles) {
-    return $handles[$this->getObject()->getAuthorPHID()]->renderHovercardLink();
-  }
-
-}