diff --git a/src/applications/conduit/method/differential/ConduitAPI_differential_parsecommitmessage_Method.php b/src/applications/conduit/method/differential/ConduitAPI_differential_parsecommitmessage_Method.php
index b7b85deed7..a25d977652 100644
--- a/src/applications/conduit/method/differential/ConduitAPI_differential_parsecommitmessage_Method.php
+++ b/src/applications/conduit/method/differential/ConduitAPI_differential_parsecommitmessage_Method.php
@@ -69,12 +69,11 @@ final class ConduitAPI_differential_parsecommitmessage_Method
       $field = $aux_fields[$field_key];
       try {
         $fields[$field_key] = $field->parseValueFromCommitMessage($field_value);
+        $field->setValueFromParsedCommitMessage($fields[$field_key]);
       } catch (DifferentialFieldParseException $ex) {
         $field_label = $field->renderLabelForCommitMessage();
         $errors[] = "Error parsing field '{$field_label}': ".$ex->getMessage();
-        $fields[$field_key] = $ex->getPartialParse();
       }
-      $field->setValueFromParsedCommitMessage($fields[$field_key]);
     }
 
     if (!$is_partial) {
diff --git a/src/applications/differential/field/exception/DifferentialFieldParseException.php b/src/applications/differential/field/exception/DifferentialFieldParseException.php
index 992fb72168..33254675a1 100644
--- a/src/applications/differential/field/exception/DifferentialFieldParseException.php
+++ b/src/applications/differential/field/exception/DifferentialFieldParseException.php
@@ -18,14 +18,4 @@
 
 final class DifferentialFieldParseException extends Exception {
 
-  private $partialParse;
-
-  public function __construct($message, $partial_parse = null) {
-    parent::__construct($message);
-    $this->partialParse = $partial_parse;
-  }
-
-  public function getPartialParse() {
-    return $this->partialParse;
-  }
 }
diff --git a/src/applications/differential/field/specification/DifferentialFieldSpecification.php b/src/applications/differential/field/specification/DifferentialFieldSpecification.php
index 728be2d079..ce13cb222e 100644
--- a/src/applications/differential/field/specification/DifferentialFieldSpecification.php
+++ b/src/applications/differential/field/specification/DifferentialFieldSpecification.php
@@ -768,8 +768,7 @@ abstract class DifferentialFieldSpecification {
         ? "users and mailing lists"
         : "users";
       throw new DifferentialFieldParseException(
-        "Commit message references nonexistent {$what}: {$invalid}.",
-        array_unique($results));
+        "Commit message references nonexistent {$what}: {$invalid}.");
     }
 
     return array_unique($results);
diff --git a/src/applications/differential/field/specification/DifferentialManiphestTasksFieldSpecification.php b/src/applications/differential/field/specification/DifferentialManiphestTasksFieldSpecification.php
index 4758301a84..8f4760b78f 100644
--- a/src/applications/differential/field/specification/DifferentialManiphestTasksFieldSpecification.php
+++ b/src/applications/differential/field/specification/DifferentialManiphestTasksFieldSpecification.php
@@ -149,8 +149,7 @@ final class DifferentialManiphestTasksFieldSpecification
       }
       $invalid = implode(', ', $invalid);
       throw new DifferentialFieldParseException(
-        "Commit message references nonexistent {$what}: {$invalid}.",
-        $task_phids);
+        "Commit message references nonexistent {$what}: {$invalid}.");
     }
 
     return $task_phids;