diff --git a/examples/cache-gatt-discovery.js b/examples/cache-gatt-discovery.js
index ae146682b..72a300b17 100644
--- a/examples/cache-gatt-discovery.js
+++ b/examples/cache-gatt-discovery.js
@@ -94,7 +94,7 @@ let findServices = function (noble, peripheral) {
 
   peripheral.discoverServices([], (error, services) => {
 
-    let sensorCharacteristic = undefined
+    let sensorCharacteristic
     
     servicesToRead = services.length
     // we found the list of services, now trigger characteristics lookup for each of them:
diff --git a/examples/cache-gatt-reconnect.js b/examples/cache-gatt-reconnect.js
index fcdcfa5b1..7ca8d0736 100644
--- a/examples/cache-gatt-reconnect.js
+++ b/examples/cache-gatt-reconnect.js
@@ -122,7 +122,7 @@ let setData = function(peripheral, meta) {
   }
   console.log()
 
-  let sensorCharacteristic = undefined
+  let sensorCharacteristic
 
   console.log('initializing characteristics... ')
   // now, for each service, set the characteristics: