diff --git a/base/vulkandevice.hpp b/base/vulkandevice.hpp
index 61b424ac..b0e30863 100644
--- a/base/vulkandevice.hpp
+++ b/base/vulkandevice.hpp
@@ -308,7 +308,7 @@ namespace vk
 			deviceCreateInfo.pEnabledFeatures = &enabledFeatures;
 
 			// Enable the debug marker extension if it is present (likely meaning a debugging tool is present)
-			if (vkTools::checkDeviceExtensionPresent(physicalDevice, VK_EXT_DEBUG_MARKER_EXTENSION_NAME))
+			if (extensionSupported(VK_EXT_DEBUG_MARKER_EXTENSION_NAME))
 			{
 				deviceExtensions.push_back(VK_EXT_DEBUG_MARKER_EXTENSION_NAME);
 				enableDebugMarkers = true;
diff --git a/base/vulkantools.cpp b/base/vulkantools.cpp
index 225213cb..acdd2944 100644
--- a/base/vulkantools.cpp
+++ b/base/vulkantools.cpp
@@ -10,41 +10,6 @@
 
 namespace vkTools
 {
-
-	VkBool32 checkGlobalExtensionPresent(const char* extensionName)
-	{
-		uint32_t extensionCount = 0;
-		std::vector<VkExtensionProperties> extensions;
-		vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, NULL);
-		extensions.resize(extensionCount);
-		vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, extensions.data());
-		for (auto& ext : extensions)
-		{
-			if (!strcmp(extensionName, ext.extensionName))
-			{
-				return true;
-			}
-		}
-		return false;
-	}
-
-	VkBool32 checkDeviceExtensionPresent(VkPhysicalDevice physicalDevice, const char* extensionName)
-	{
-		uint32_t extensionCount = 0;
-		std::vector<VkExtensionProperties> extensions;
-		vkEnumerateDeviceExtensionProperties(physicalDevice, NULL, &extensionCount, NULL);
-		extensions.resize(extensionCount);
-		vkEnumerateDeviceExtensionProperties(physicalDevice, NULL, &extensionCount, extensions.data());
-		for (auto& ext : extensions)
-		{
-			if (!strcmp(extensionName, ext.extensionName))
-			{
-				return true;
-			}
-		}
-		return false;
-	}
-
 	std::string errorString(VkResult errorCode)
 	{
 		switch (errorCode)
diff --git a/base/vulkantools.h b/base/vulkantools.h
index 96fd98aa..50f626a5 100644
--- a/base/vulkantools.h
+++ b/base/vulkantools.h
@@ -1,5 +1,5 @@
 /*
-* Assorted commonly used Vulkan helper functions
+* Contain struct initializers and assorted Vulkan helper functions
 *
 * Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
 *
@@ -47,10 +47,6 @@
 
 namespace vkTools
 {
-	// Check if extension is globally available
-	VkBool32 checkGlobalExtensionPresent(const char* extensionName);
-	// Check if extension is present on the given device
-	VkBool32 checkDeviceExtensionPresent(VkPhysicalDevice physicalDevice, const char* extensionName);
 	// Return string representation of a vulkan error string
 	std::string errorString(VkResult errorCode);
 
@@ -93,7 +89,7 @@ namespace vkTools
 	VkShaderModule loadShaderGLSL(const char *fileName, VkDevice device, VkShaderStageFlagBits stage);
 
 	// Contains often used vulkan object initializers
-	// Save lot of VK_STRUCTURE_TYPE assignments
+	// Saves lot of VK_STRUCTURE_TYPE assignments
 	// Some initializers are parameterized for convenience
 	namespace initializers
 	{