diff --git a/js/controller.js b/js/controller.js
index e6b8e23..acaaa0c 100644
--- a/js/controller.js
+++ b/js/controller.js
@@ -165,7 +165,6 @@ function reset() {
     gQmcHashmap = {};
     gKarnaughHashmap = {};
     gSystemTitle = "";
-    gPorts = [];
     gCorrespondenceHashmap = {}
 
     $("#add_input").off("click");