diff --git a/include/vkcv/SwapChain.hpp b/include/vkcv/SwapChain.hpp
index 5dad2d95cd9e853af0382ec8c1e5af8be484e5a6..147fc6dccece2f89bedcefb6201ef85f03393e20 100644
--- a/include/vkcv/SwapChain.hpp
+++ b/include/vkcv/SwapChain.hpp
@@ -4,24 +4,17 @@
 #include "vkcv/Window.hpp"
 #include <iostream>
 
-
-// glfw is not initialized in this class because ist must be sure that there exists a context first
-// glfw is already initialized by the context or the window class
-
 namespace vkcv {
     class SwapChain final {
     private:
 
         vk::SurfaceKHR m_surface;
-        const vkcv::Context& m_context;
 		vk::SwapchainKHR m_swapchain;
 		vk::SurfaceFormatKHR m_format;
 		
-        SwapChain(vk::SurfaceKHR surface, const vkcv::Context &context, vk::SwapchainKHR swapchain, vk::SurfaceFormatKHR format);
+        SwapChain(vk::SurfaceKHR surface, vk::SwapchainKHR swapchain, vk::SurfaceFormatKHR format);
 
     public:
-        // bin mir grade unsicher wegen der Mehrfachinstanziierung der Klasse
-        // es muessen ja oefter mal neue erstellt werden, aber diese existieren ja nicht gleichzeitig, oder?
         SwapChain(const SwapChain &other) = default;
         SwapChain(SwapChain &&other) = default;
 
diff --git a/src/vkcv/Context.cpp b/src/vkcv/Context.cpp
index 816fded86405cc36d997c2f48a57be18b36f6cab..761add2c9c0792bbf098c1f7f6122e84978a6735 100644
--- a/src/vkcv/Context.cpp
+++ b/src/vkcv/Context.cpp
@@ -36,7 +36,6 @@ namespace vkcv
 
     Context::~Context() noexcept
     {
-        std::cout<< " Context " << std::endl;
         m_Device.destroy();
         m_Instance.destroy();
     }
diff --git a/src/vkcv/Core.cpp b/src/vkcv/Core.cpp
index c60b933733908b219481fe8aa1b11c0d100804c5..67307f9cdf8aec6af8c77112382c7b1480ec4631 100644
--- a/src/vkcv/Core.cpp
+++ b/src/vkcv/Core.cpp
@@ -301,20 +301,18 @@ namespace vkcv
         if(transferQueueFamilyIndex == -1){
             throw std::runtime_error("It is not possible to access another queue as a transfer queue.");
         }
-        vk::Queue graphicsQueue = device.getQueue( graphicsQueueFamilyIndex, 0 );
-        vk::Queue computeQueue = device.getQueue(computeQueueFamilyIndex,1);
-        vk::Queue transferQueue = device.getQueue(transferQueueFamilyIndex,2);
+        vk::Queue graphicsQueue = device.getQueue(graphicsQueueFamilyIndex, 0);
+        vk::Queue computeQueue = device.getQueue(computeQueueFamilyIndex, 1);
+        vk::Queue transferQueue = device.getQueue(transferQueueFamilyIndex, 2);
 
         Context context(instance, physicalDevice, device);
 
         SwapChain swapChain = SwapChain::create(window, context);
 
-
         std::vector<vk::Image> swapChainImages = device.getSwapchainImagesKHR(swapChain.getSwapchain());
         std::vector<vk::ImageView> imageViews;
         imageViews.reserve( swapChainImages.size() );
         //here can be swizzled with vk::ComponentSwizzle if needed
-        // ToDo: we need the format from the surface object
         vk::ComponentMapping componentMapping(
                 vk::ComponentSwizzle::eR,
                 vk::ComponentSwizzle::eG,
@@ -353,8 +351,6 @@ namespace vkcv
     {}
 
     Core::~Core() {
-        std::cout<< " Core " << std::endl;
-
         for( auto image: m_swapchainImageViews ){
             m_Context.getDevice().destroyImageView(image);
         }
diff --git a/src/vkcv/SwapChain.cpp b/src/vkcv/SwapChain.cpp
index 3a3209e79efa842f453cae255400718728e5f3d4..e9c29482fcce2f94817b29b47b8846633656ebdd 100644
--- a/src/vkcv/SwapChain.cpp
+++ b/src/vkcv/SwapChain.cpp
@@ -3,8 +3,8 @@
 
 namespace vkcv {
 
-    SwapChain::SwapChain(vk::SurfaceKHR surface, const vkcv::Context &context, vk::SwapchainKHR swapchain, vk::SurfaceFormatKHR format )
-        : m_surface(surface), m_context(context), m_swapchain(swapchain), m_format( format)
+    SwapChain::SwapChain(vk::SurfaceKHR surface, vk::SwapchainKHR swapchain, vk::SurfaceFormatKHR format )
+        : m_surface(surface), m_swapchain(swapchain), m_format( format)
     {}
 
     vk::SwapchainKHR SwapChain::getSwapchain() {
@@ -22,14 +22,10 @@ namespace vkcv {
     vk::SurfaceKHR createSurface(GLFWwindow *window, const vk::Instance &instance, const vk::PhysicalDevice& physicalDevice) {
         //create surface
         VkSurfaceKHR surface;
-        // 0 means VK_SUCCESS
-        //std::cout << "FAIL:     " << glfwCreateWindowSurface(VkInstance(instance), window, nullptr, &newSurface) << std::endl;
         if (glfwCreateWindowSurface(VkInstance(instance), window, nullptr, &surface) != VK_SUCCESS) {
             throw std::runtime_error("failed to create a window surface!");
         }
         vk::Bool32 surfaceSupport = false;
-        // ToDo: hierfuer brauchen wir jetzt den queuefamiliy Index -> siehe ToDo in Context.cpp
-        // frage: nimmt die Swapchain automatisch den 0'ten Index (Graphics Queue Family)?
         if (physicalDevice.getSurfaceSupportKHR(0, vk::SurfaceKHR(surface), &surfaceSupport) != vk::Result::eSuccess && surfaceSupport != true) {
             throw std::runtime_error("surface is not supported by the device!");
         }
@@ -37,7 +33,6 @@ namespace vkcv {
         return vk::SurfaceKHR(surface);
     }
 
-
     vk::Extent2D chooseSwapExtent(vk::PhysicalDevice physicalDevice, vk::SurfaceKHR surface, const Window &window){
         vk::SurfaceCapabilitiesKHR surfaceCapabilities;
         if(physicalDevice.getSurfaceCapabilitiesKHR(surface,&surfaceCapabilities) != vk::Result::eSuccess){
@@ -89,6 +84,7 @@ namespace vkcv {
                 return availablePresentMode;
             }
         }
+        // The FIFO present mode is guaranteed by the spec to be supported
         return vk::PresentModeKHR::eFifo;
     }
 
@@ -140,14 +136,12 @@ namespace vkcv {
 
         vk::SwapchainKHR swapchain = device.createSwapchainKHR(swapchainCreateInfo);
 
-        return SwapChain(surface, context, swapchain, surfaceFormat);
+        return SwapChain(surface, swapchain, surfaceFormat);
     }
 
 
     SwapChain::~SwapChain() {
-        std::cout<< " Swap " << std::endl;
-//        m_context.getDevice().destroySwapchainKHR( m_swapchain );
-//        m_context.getInstance().destroySurfaceKHR( m_surface );
+        // needs to be destroyed by creator
     }
 
 }