diff --git a/lib/main.js b/lib/main.js
index bc8729da..831ec186 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -678,9 +678,7 @@ so you can easily test run multiple events.
       }
       return Promise.resolve()
     })).then((data) => {
-      return Promise.resolve(data)
-    }).catch((err) => {
-      return Promise.reject(err)
+      return data
     })
   }
 
@@ -701,9 +699,7 @@ so you can easily test run multiple events.
       // Since `scheduleEvents.add(params)` returns only `{}` if it succeeds
       // it is not very meaningful.
       // Therefore, return the params used for execution
-      return Promise.resolve(paramsList)
-    }).catch((err) => {
-      return Promise.reject(err)
+      return paramsList
     })
   }
 
@@ -773,7 +769,7 @@ so you can easily test run multiple events.
     console.log('=> Reading event source file to memory')
     const eventSourceList = this._eventSourceList(program)
 
-    return new Promise((resolve, reject) => {
+    return Promise.resolve().then(() => {
       console.log('=> Uploading zip file to AWS Lambda ' + region + ' with parameters:')
       console.log(params)
 
@@ -846,10 +842,8 @@ so you can easily test run multiple events.
               params.FunctionName
             )
           ]).then((results) => {
-            resolve(results)
+            return results
           })
-        }).catch((err) => {
-          reject(err)
         })
       }).catch(() => {
         // Function does not exist
@@ -880,10 +874,8 @@ so you can easily test run multiple events.
               params.FunctionName
             )
           ]).then((results) => {
-            resolve(results)
+            return results
           })
-        }).catch((err) => {
-          reject(err)
         })
       })
     })