diff --git a/Nim/Examples/HelloWorld/main.nim b/Nim/Examples/HelloWorld/main.nim
index 897a160..a0bc25f 100644
--- a/Nim/Examples/HelloWorld/main.nim
+++ b/Nim/Examples/HelloWorld/main.nim
@@ -3,12 +3,10 @@ import macros
 import typeinfo
 
 proc mainProc() =
-  var app: QApplication
-  app.create()
+  var app = newQApplication()
   defer: app.delete()
    
-  var engine: QQmlApplicationEngine
-  engine.create()
+  var engine = newQQmlApplicationEngine()
   defer: engine.delete()
 
   engine.load("main.qml")
@@ -17,3 +15,4 @@ proc mainProc() =
 when isMainModule:
   mainProc()
 
+GC_fullcollect()
diff --git a/Nim/Examples/QtObjectMacro/Contact.nim b/Nim/Examples/QtObjectMacro/Contact.nim
index 7b9c79e..e404895 100644
--- a/Nim/Examples/QtObjectMacro/Contact.nim
+++ b/Nim/Examples/QtObjectMacro/Contact.nim
@@ -6,20 +6,24 @@ QtObject:
   type Contact* = ref object of QObject
     m_name: string
 
-  template newContact*(): Contact =
-    var result = Contact(m_name: "initialName")
-    result.create
-    result
-  
-  method getName*(contact: Contact): string {.slot.} =
-    result = contact.m_name
+  proc delete(self: Contact) = 
+    var qobject = self.QObject
+    qobject.delete()
 
-  method nameChanged*(contact: Contact) {.signal.}
+  proc newContact*(): Contact =
+    new(result, delete)
+    result.m_name = "InitialName"
+    result.create
   
-  method setName*(contact: Contact, name: string) {.slot.} =
-    if contact.m_name != name:
-      contact.m_name = name
-      contact.nameChanged()
+  method getName*(self: Contact): string {.slot.} =
+    result = self.m_name
+
+  method nameChanged*(self: Contact) {.signal.}
+  
+  method setName*(self: Contact, name: string) {.slot.} =
+    if self.m_name != name:
+      self.m_name = name
+      self.nameChanged()
   
   QtProperty[string] name:
     read = getName
diff --git a/Nim/Examples/QtObjectMacro/main.nim b/Nim/Examples/QtObjectMacro/main.nim
index 9c45926..ba4ea02 100644
--- a/Nim/Examples/QtObjectMacro/main.nim
+++ b/Nim/Examples/QtObjectMacro/main.nim
@@ -2,23 +2,19 @@ import NimQml
 import Contact
 
 proc mainProc() =
-  var app: QApplication
-  app.create()
+  var app = newQApplication()
   defer: app.delete()
    
   var contact = newContact()
   defer: contact.delete() 
 
-  var engine: QQmlApplicationEngine
-  engine.create()
+  var engine = newQQmlApplicationEngine()
   defer: engine.delete()
 
-  var variant: QVariant
-  variant.create(contact)
+  var variant = newQVariant(contact)
   defer: variant.delete()
 
-  var rootContext: QQmlContext = engine.rootContext()
-  rootContext.setContextProperty("contact", variant)
+  engine.rootContext.setContextProperty("contact", variant)
   engine.load("main.qml")
   app.exec()
 
diff --git a/Nim/Examples/SimpleData/main.nim b/Nim/Examples/SimpleData/main.nim
index 622d645..2022850 100644
--- a/Nim/Examples/SimpleData/main.nim
+++ b/Nim/Examples/SimpleData/main.nim
@@ -3,12 +3,10 @@ import macros
 import typeinfo
 
 proc mainProc() =
-  var app: QApplication
-  app.create()
+  var app = newQApplication()
   defer: app.delete()
    
-  var engine: QQmlApplicationEngine
-  engine.create()
+  var engine = newQQmlApplicationEngine()
   defer: engine.delete()
 
   var qVar1 = newQVariant(10)
@@ -23,10 +21,10 @@ proc mainProc() =
   engine.rootContext.setContextProperty("qVar1", qVar1) 
   engine.rootContext.setContextProperty("qVar2", qVar2)
   engine.rootContext.setContextProperty("qVar3", qVar2)
-  
   engine.load("main.qml")
   app.exec()
 
 when isMainModule:
   mainProc()
 
+GC_fullcollect()
diff --git a/Nim/Examples/SlotsAndProperties/main.nim b/Nim/Examples/SlotsAndProperties/main.nim
index 261eeb1..98e8cef 100644
--- a/Nim/Examples/SlotsAndProperties/main.nim
+++ b/Nim/Examples/SlotsAndProperties/main.nim
@@ -2,25 +2,23 @@ import NimQml
 import Contact
 
 proc mainProc() =
-  var app: QApplication
-  app.create()
+  var app = newQApplication()
   defer: app.delete()
    
   var contact = newContact()
   defer: contact.delete() 
   
-  var engine: QQmlApplicationEngine
-  engine.create()
+  var engine = newQQmlApplicationEngine()
   defer: engine.delete()
 
   var variant = newQVariant(contact)
   defer: variant.delete()
 
-  var rootContext: QQmlContext = engine.rootContext()
-  rootContext.setContextProperty("contact", variant)
+  engine.rootContext.setContextProperty("contact", variant)
   engine.load("main.qml")
   app.exec()
 
 when isMainModule:
   mainProc()
 
+GC_fullcollect()