diff --git a/resources/sql/autopatches/20190206.external.01.legalpad.sql b/resources/sql/autopatches/20190206.external.01.legalpad.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20190206.external.01.legalpad.sql
@@ -0,0 +1,2 @@
+UPDATE {$NAMESPACE}_legalpad.legalpad_documentsignature
+  SET signerPHID = NULL WHERE signerPHID LIKE 'PHID-XUSR-%';
diff --git a/resources/sql/autopatches/20190206.external.02.email.sql b/resources/sql/autopatches/20190206.external.02.email.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20190206.external.02.email.sql
@@ -0,0 +1,2 @@
+DELETE FROM {$NAMESPACE}_user.user_externalaccount
+  WHERE accountType = 'email';
diff --git a/src/applications/auth/query/PhabricatorExternalAccountQuery.php b/src/applications/auth/query/PhabricatorExternalAccountQuery.php
--- a/src/applications/auth/query/PhabricatorExternalAccountQuery.php
+++ b/src/applications/auth/query/PhabricatorExternalAccountQuery.php
@@ -168,35 +168,4 @@
     return 'PhabricatorPeopleApplication';
   }
 
-  /**
-   * Attempts to find an external account and if none exists creates a new
-   * external account with a shiny new ID and PHID.
-   *
-   * NOTE: This function assumes the first item in various query parameters is
-   * the correct value to use in creating a new external account.
-   */
-  public function loadOneOrCreate() {
-    $account = $this->executeOne();
-    if (!$account) {
-      $account = new PhabricatorExternalAccount();
-      if ($this->accountIDs) {
-        $account->setAccountID(reset($this->accountIDs));
-      }
-      if ($this->accountTypes) {
-        $account->setAccountType(reset($this->accountTypes));
-      }
-      if ($this->accountDomains) {
-        $account->setAccountDomain(reset($this->accountDomains));
-      }
-      if ($this->accountSecrets) {
-        $account->setAccountSecret(reset($this->accountSecrets));
-      }
-      if ($this->userPHIDs) {
-        $account->setUserPHID(reset($this->userPHIDs));
-      }
-      $account->save();
-    }
-    return $account;
-  }
-
 }
diff --git a/src/applications/legalpad/controller/LegalpadDocumentSignController.php b/src/applications/legalpad/controller/LegalpadDocumentSignController.php
--- a/src/applications/legalpad/controller/LegalpadDocumentSignController.php
+++ b/src/applications/legalpad/controller/LegalpadDocumentSignController.php
@@ -364,16 +364,6 @@
             if ($email_obj) {
               return $this->signInResponse();
             }
-            $external_account = id(new PhabricatorExternalAccountQuery())
-              ->setViewer($viewer)
-              ->withAccountTypes(array('email'))
-              ->withAccountDomains(array($email->getDomainName()))
-              ->withAccountIDs(array($email->getAddress()))
-              ->loadOneOrCreate();
-            if ($external_account->getUserPHID()) {
-              return $this->signInResponse();
-            }
-            $signer_phid = $external_account->getPHID();
           }
         }
         break;
diff --git a/src/applications/legalpad/query/LegalpadDocumentSignatureSearchEngine.php b/src/applications/legalpad/query/LegalpadDocumentSignatureSearchEngine.php
--- a/src/applications/legalpad/query/LegalpadDocumentSignatureSearchEngine.php
+++ b/src/applications/legalpad/query/LegalpadDocumentSignatureSearchEngine.php
@@ -226,7 +226,7 @@
         $handles[$document->getPHID()]->renderLink(),
         $signer_phid
           ? $handles[$signer_phid]->renderLink()
-          : null,
+          : phutil_tag('em', array(), pht('None')),
         $name,
         phutil_tag(
           'a',