diff --git a/lib/api-sim.js b/lib/api-sim.js
index 23572d319..eade49c95 100644
--- a/lib/api-sim.js
+++ b/lib/api-sim.js
@@ -7,7 +7,11 @@ let cls;
 module.exports = function (appoptics) {
   ao = appoptics;
   aob = ao.addon;
-  cls = ao.cls;
+  // check for property to avoid triggering node 14 warning on
+  // non-existent property in unfinished module.exports
+  if (ao.hasOwnProperty('cls')) {
+    cls = ao.cls;
+  }
 
   // define the properties (some of which are part of the API)
   definePropertiesOn(ao);
@@ -760,4 +764,3 @@ function insertLogObject (o = {}) {
 function wrapLambdaHandler (fn) {
   return fn;
 }
-
diff --git a/lib/api.js b/lib/api.js
index 2ad72c66c..22d7e80aa 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -34,7 +34,9 @@ module.exports = function (appoptics) {
   ao.maps.responseFinalizers = responseFinalizers;
 
   // each invocation in lambda is counted
-  if (ao.lambda) {
+  // use property check that does not trigger node 14 warning on
+  // non-existent property in unfinished module.exports
+  if (ao.hasOwnProperty('lambda')) {
     ao.lambda.invocations = 0;
   }