diff --git a/src/applications/differential/field/DifferentialTestPlanCommitMessageField.php b/src/applications/differential/field/DifferentialTestPlanCommitMessageField.php
index 178e51d985..a477a9036e 100644
--- a/src/applications/differential/field/DifferentialTestPlanCommitMessageField.php
+++ b/src/applications/differential/field/DifferentialTestPlanCommitMessageField.php
@@ -1,60 +1,53 @@
 <?php
 
 final class DifferentialTestPlanCommitMessageField
   extends DifferentialCommitMessageField {
 
   const FIELDKEY = 'testPlan';
 
   public function getFieldName() {
     return pht('Test Plan');
   }
 
   public function getFieldOrder() {
     return 3000;
   }
 
   public function getFieldAliases() {
     return array(
       'Testplan',
       'Tested',
       'Tests',
     );
   }
 
   public function isFieldEnabled() {
     return $this->isCustomFieldEnabled('differential:test-plan');
   }
 
   public function validateFieldValue($value) {
     $is_required = PhabricatorEnv::getEnvConfig(
       'differential.require-test-plan-field');
 
     if ($is_required && !strlen($value)) {
       $this->raiseValidationException(
         pht(
           'You must provide a test plan. Describe the actions you performed '.
           'to verify the behavior of this change.'));
     }
   }
 
   public function readFieldValueFromObject(DifferentialRevision $revision) {
     return $revision->getTestPlan();
   }
 
   public function getFieldTransactions($value) {
     return array(
       array(
         'type' => DifferentialRevisionTestPlanTransaction::EDITKEY,
         'value' => $value,
       ),
     );
   }
 
-  public function validateTransactions($object, array $xactions) {
-    return $this->validateCommitMessageCorpusTransactions(
-      $object,
-      $xactions,
-      pht('Test Plan'));
-  }
-
 }
diff --git a/src/applications/differential/xaction/DifferentialRevisionTestPlanTransaction.php b/src/applications/differential/xaction/DifferentialRevisionTestPlanTransaction.php
index bf2beab3d8..c7c77fbcff 100644
--- a/src/applications/differential/xaction/DifferentialRevisionTestPlanTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionTestPlanTransaction.php
@@ -1,75 +1,78 @@
 <?php
 
 final class DifferentialRevisionTestPlanTransaction
   extends DifferentialRevisionTransactionType {
 
   const TRANSACTIONTYPE = 'differential.revision.testplan';
   const EDITKEY = 'testPlan';
 
   public function generateOldValue($object) {
     return $object->getTestPlan();
   }
 
   public function applyInternalEffects($object, $value) {
     $object->setTestPlan($value);
   }
 
   public function getTitle() {
     return pht(
       '%s edited the test plan for this revision.',
       $this->renderAuthor());
   }
 
   public function getTitleForFeed() {
     return pht(
       '%s updated the test plan for %s.',
       $this->renderAuthor(),
       $this->renderObject());
   }
 
   public function hasChangeDetailView() {
     return true;
   }
 
   public function getMailDiffSectionHeader() {
     return pht('CHANGES TO TEST PLAN');
   }
 
   public function newChangeDetailView() {
     $viewer = $this->getViewer();
 
     return id(new PhabricatorApplicationTransactionTextDiffDetailView())
       ->setViewer($viewer)
       ->setOldText($this->getOldValue())
       ->setNewText($this->getNewValue());
   }
 
   public function newRemarkupChanges() {
     $changes = array();
 
     $changes[] = $this->newRemarkupChange()
       ->setOldValue($this->getOldValue())
       ->setNewValue($this->getNewValue());
 
     return $changes;
   }
 
   public function validateTransactions($object, array $xactions) {
-    $errors = array();
+    $errors = $this->validateCommitMessageCorpusTransactions(
+      $object,
+      $xactions,
+      pht('Test Plan'));
 
     $is_required = PhabricatorEnv::getEnvConfig(
       'differential.require-test-plan-field');
 
     if ($is_required) {
       if ($this->isEmptyTextTransaction($object->getTestPlan(), $xactions)) {
         $errors[] = $this->newRequiredError(
           pht(
             'You must provide a test plan. Describe the actions you '.
             'performed to verify the behavior of this change.'));
       }
     }
 
     return $errors;
   }
 
 }