diff --git a/database/migrations/2018_10_27_055927_create_wiki_groupnames.php b/database/migrations/2018_10_27_055927_create_wiki_groupnames.php
index 25acc437d..5485bdaea 100644
--- a/database/migrations/2018_10_27_055927_create_wiki_groupnames.php
+++ b/database/migrations/2018_10_27_055927_create_wiki_groupnames.php
@@ -16,7 +16,6 @@ class CreateWikiGroupnames extends Migration
         Schema::create('wiki_groupnames', function(Blueprint $table) {
             $table->increments('id');
             $table->string('gname');
-            $table->primary('id');
             $table->unique('id', 'id');
         });
     }