diff --git a/projects/apis/vulkan/CMakeLists.txt b/projects/apis/vulkan/CMakeLists.txt
index f61e53d..13b2d05 100644
--- a/projects/apis/vulkan/CMakeLists.txt
+++ b/projects/apis/vulkan/CMakeLists.txt
@@ -2,7 +2,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS on)
 project(GryphnVulkanImpl)
 set(CMAKE_CXX_STANDARD 17)
 
-add_compile_definitions(GN_REVEAL_IMPL)
+add_compile_definitions(GN_REVEAL_IMPL GN_IMPLEMENTATION)
 
 file(GLOB_RECURSE SOURCE_FILES CONFIGURE_DEPENDS "src/*.c" "src/*.h")
 file(GLOB_RECURSE LOADER_FILES CONFIGURE_DEPENDS "loader/*.c")
diff --git a/projects/apis/vulkan/loader/vulkan_instance_loader.c b/projects/apis/vulkan/loader/vulkan_instance_loader.c
index 542148c..7242eb9 100644
--- a/projects/apis/vulkan/loader/vulkan_instance_loader.c
+++ b/projects/apis/vulkan/loader/vulkan_instance_loader.c
@@ -8,14 +8,13 @@ gryphnInstanceFunctionLayers loadVulkanAPILayer(void) {
     return (gryphnInstanceFunctionLayers) {
         .createInstance = vulkanCreateInstance,
         .destroyInstance = vulkanDestroyInstance,
+        .queryDevices = vulkanQueryDevices,
         .next = NULL
     };
 }
 
 gnInstanceFunctions loadVulkanInstanceFunctions(void) {
     return (gnInstanceFunctions){
-
-        ._gnGetPhysicalDevices = getPhysicalDevices,
         ._gnPhysicalDeviceCanPresentToSurface = deviceCanPresentToSurface,
 
         ._gnCreateOutputDevice = createVulkanOutputDevice,
diff --git a/projects/core/src/output_device/gryphn_physical_device.c b/projects/core/src/output_device/gryphn_physical_device.c
index c1c7549..9f3638e 100644
--- a/projects/core/src/output_device/gryphn_physical_device.c
+++ b/projects/core/src/output_device/gryphn_physical_device.c
@@ -2,11 +2,6 @@
 #include "instance/gryphn_instance.h"
 #include "loader/src/gryphn_instance_functions.h"
 
-gnPhysicalDeviceHandle* gnGetPhyscialDevices(gnInstanceHandle instance, uint32_t* count) {;
-    gnPhysicalDeviceHandle* devices = instance->callingLayer->instanceFunctions._gnGetPhysicalDevices(instance, count);
-    return devices;
-}
-
 gnBool gnPhysicalDeviceCanPresentToSurface(gnInstanceHandle instance, gnPhysicalDeviceHandle device, gnWindowSurfaceHandle windowSurface) {
     return instance->callingLayer->instanceFunctions._gnPhysicalDeviceCanPresentToSurface(device, windowSurface);
 }
diff --git a/projects/core/src/output_device/gryphn_physical_device.h b/projects/core/src/output_device/gryphn_physical_device.h
index 59a76f0..d24512c 100644
--- a/projects/core/src/output_device/gryphn_physical_device.h
+++ b/projects/core/src/output_device/gryphn_physical_device.h
@@ -38,7 +38,6 @@ typedef struct gnPhysicalDeviceFeatures {
 // } gnPhysicalOutputDevice_t;
 // #endif
 
-gnPhysicalDeviceHandle* gnGetPhyscialDevices(gnInstanceHandle instance, uint32_t* count);
 gnBool gnPhysicalDeviceCanPresentToSurface(gnInstance instance, gnPhysicalDeviceHandle device, gnWindowSurfaceHandle windowSurface);
 
 gnPhysicalDeviceProperties gnGetPhysicalDeviceProperties(gnPhysicalDeviceHandle device);