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
@@ -1011,6 +1011,7 @@
     'HarbormasterController' => 'applications/harbormaster/controller/HarbormasterController.php',
     'HarbormasterCreateArtifactConduitAPIMethod' => 'applications/harbormaster/conduit/HarbormasterCreateArtifactConduitAPIMethod.php',
     'HarbormasterDAO' => 'applications/harbormaster/storage/HarbormasterDAO.php',
+    'HarbormasterDrydockBuildStepGroup' => 'applications/harbormaster/stepgroup/HarbormasterDrydockBuildStepGroup.php',
     'HarbormasterDrydockCommandBuildStepImplementation' => 'applications/harbormaster/step/HarbormasterDrydockCommandBuildStepImplementation.php',
     'HarbormasterDrydockLeaseArtifact' => 'applications/harbormaster/artifact/HarbormasterDrydockLeaseArtifact.php',
     'HarbormasterExecFuture' => 'applications/harbormaster/future/HarbormasterExecFuture.php',
@@ -4813,6 +4814,7 @@
     'HarbormasterController' => 'PhabricatorController',
     'HarbormasterCreateArtifactConduitAPIMethod' => 'HarbormasterConduitAPIMethod',
     'HarbormasterDAO' => 'PhabricatorLiskDAO',
+    'HarbormasterDrydockBuildStepGroup' => 'HarbormasterBuildStepGroup',
     'HarbormasterDrydockCommandBuildStepImplementation' => 'HarbormasterBuildStepImplementation',
     'HarbormasterDrydockLeaseArtifact' => 'HarbormasterArtifact',
     'HarbormasterExecFuture' => 'Future',
diff --git a/src/applications/harbormaster/controller/HarbormasterPlanEditController.php b/src/applications/harbormaster/controller/HarbormasterPlanEditController.php
--- a/src/applications/harbormaster/controller/HarbormasterPlanEditController.php
+++ b/src/applications/harbormaster/controller/HarbormasterPlanEditController.php
@@ -61,7 +61,7 @@
     $is_new = (!$plan->getID());
     if ($is_new) {
       $title = pht('New Build Plan');
-      $cancel_uri = $this->getApplicationURI();
+      $cancel_uri = $this->getApplicationURI('plan/');
       $save_button = pht('Create Build Plan');
     } else {
       $id = $plan->getID();
diff --git a/src/applications/harbormaster/step/HarbormasterDrydockCommandBuildStepImplementation.php b/src/applications/harbormaster/step/HarbormasterDrydockCommandBuildStepImplementation.php
--- a/src/applications/harbormaster/step/HarbormasterDrydockCommandBuildStepImplementation.php
+++ b/src/applications/harbormaster/step/HarbormasterDrydockCommandBuildStepImplementation.php
@@ -12,7 +12,7 @@
   }
 
   public function getBuildStepGroupKey() {
-    return HarbormasterPrototypeBuildStepGroup::GROUPKEY;
+    return HarbormasterDrydockBuildStepGroup::GROUPKEY;
   }
 
   public function getDescription() {
diff --git a/src/applications/harbormaster/step/HarbormasterLeaseWorkingCopyBuildStepImplementation.php b/src/applications/harbormaster/step/HarbormasterLeaseWorkingCopyBuildStepImplementation.php
--- a/src/applications/harbormaster/step/HarbormasterLeaseWorkingCopyBuildStepImplementation.php
+++ b/src/applications/harbormaster/step/HarbormasterLeaseWorkingCopyBuildStepImplementation.php
@@ -12,7 +12,7 @@
   }
 
   public function getBuildStepGroupKey() {
-    return HarbormasterPrototypeBuildStepGroup::GROUPKEY;
+    return HarbormasterDrydockBuildStepGroup::GROUPKEY;
   }
 
   public function execute(
diff --git a/src/applications/harbormaster/stepgroup/HarbormasterDrydockBuildStepGroup.php b/src/applications/harbormaster/stepgroup/HarbormasterDrydockBuildStepGroup.php
new file mode 100644
--- /dev/null
+++ b/src/applications/harbormaster/stepgroup/HarbormasterDrydockBuildStepGroup.php
@@ -0,0 +1,25 @@
+<?php
+
+final class HarbormasterDrydockBuildStepGroup
+  extends HarbormasterBuildStepGroup {
+
+  const GROUPKEY = 'harbormaster.drydock';
+
+  public function getGroupName() {
+    return pht('Drydock');
+  }
+
+  public function getGroupOrder() {
+    return 3000;
+  }
+
+  public function isEnabled() {
+    $drydock_class = 'PhabricatorDrydockApplication';
+    return PhabricatorApplication::isClassInstalled($drydock_class);
+  }
+
+  public function shouldShowIfEmpty() {
+    return false;
+  }
+
+}