diff --git a/lib/inquire.js b/lib/inquire.js
index 7695629..55b51ba 100644
--- a/lib/inquire.js
+++ b/lib/inquire.js
@@ -10,14 +10,11 @@ const Inquire = function(cb) {
 
   this.callback = cb;
 
-  this.interchange.get_ports((err, ports) => {
-    if (err) {
-      console.error(err);
-      return;
-    }
-
-    this.promptQuestions(ports);
-  });
+  this.interchange.get_ports()
+    .then(ports => {
+      this.promptQuestions(ports);
+    })
+    .catch(err => console.error(err));
 };
 
 Inquire.prototype.promptQuestions = function(ports) {
diff --git a/lib/interchange.js b/lib/interchange.js
index e5e9c1c..8d9ce12 100644
--- a/lib/interchange.js
+++ b/lib/interchange.js
@@ -44,39 +44,26 @@ Interchange.prototype.list_devices = function() {
     });
   });
 
-  return ({firmwares: fws});
+  return (fws);
 };
 
 Interchange.prototype.get_ports = function(cb) {
-  Serialport.list()
-    .then(function(ports) {
-      if (cb) return cb(null, ports);
-    })
-    .catch((err) => {
-      if (cb) return cb(err);
-    });
+  return new Promise((resolve, reject) => {
+    Serialport.list()
+      .then((ports) => {
+        resolve(ports);
+      })
+      .catch((err) => {
+        reject(err);
+      });
+  });
 };
 
-Interchange.prototype.list_ports = function(opts) {
+Interchange.prototype.list_ports = function() {
   // this function lists out all the ports available to flash firmware
-
-  const verbose = opts.verbose;
-
-  this.get_ports(function(err, ports) {
-    if (err) {
-      console.error(err);
-      return;
-    }
-
-    if (verbose) {
-      console.info(ports);
-    } else {
-      ports.forEach(function(port) {
-        console.info(port.comName.cyan);
-        console.info(port.manufacturer);
-      });
-    }
-  });
+  // this function  is now deprecated
+  console.warn('list_ports method deprecated - use get_ports instead');
+  return this.get_ports();
 };
 
 Interchange.prototype.get_firmware_info = function(port) {