diff --git a/src/browse/ref/ArcanistBrowseURIRef.php b/src/browse/ref/ArcanistBrowseURIRef.php
--- a/src/browse/ref/ArcanistBrowseURIRef.php
+++ b/src/browse/ref/ArcanistBrowseURIRef.php
@@ -10,10 +10,6 @@
     return pht('Browse URI "%s"', $this->getURI());
   }
 
-  public function defineHardpoints() {
-    return array();
-  }
-
   public function setURI($uri) {
     $this->uri = $uri;
     return $this;
diff --git a/src/ref/ArcanistRepositoryRef.php b/src/ref/ArcanistRepositoryRef.php
--- a/src/ref/ArcanistRepositoryRef.php
+++ b/src/ref/ArcanistRepositoryRef.php
@@ -10,10 +10,6 @@
     return pht('Remote Repository');
   }
 
-  public function defineHardpoints() {
-    return array();
-  }
-
   public function setPHID($phid) {
     $this->phid = $phid;
     return $this;
diff --git a/src/ref/ArcanistRevisionRef.php b/src/ref/ArcanistRevisionRef.php
--- a/src/ref/ArcanistRevisionRef.php
+++ b/src/ref/ArcanistRevisionRef.php
@@ -10,10 +10,6 @@
     return pht('Revision %s', $this->getMonogram());
   }
 
-  public function defineHardpoints() {
-    return array();
-  }
-
   public static function newFromConduit(array $dict) {
     $ref = new self();
     $ref->parameters = $dict;