diff --git a/src/internal.h b/src/internal.h
index 4d2a6805..1a38ba7e 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -329,7 +329,6 @@ typedef void (APIENTRY * PFN_vkVoidFunction)(void);
 #else
   typedef PFN_vkVoidFunction (APIENTRY * PFN_vkGetInstanceProcAddr)(VkInstance,const char*);
   typedef VkResult (APIENTRY * PFN_vkEnumerateInstanceExtensionProperties)(const char*,uint32_t*,VkExtensionProperties*);
-  #define vkEnumerateInstanceExtensionProperties _glfw.vk.EnumerateInstanceExtensionProperties
   #define vkGetInstanceProcAddr _glfw.vk.GetInstanceProcAddr
 #endif
 
@@ -855,7 +854,6 @@ struct _GLFWlibrary
         void*           handle;
         char*           extensions[2];
 #if !defined(_GLFW_VULKAN_STATIC)
-        PFN_vkEnumerateInstanceExtensionProperties EnumerateInstanceExtensionProperties;
         PFN_vkGetInstanceProcAddr GetInstanceProcAddr;
 #endif
         GLFWbool        KHR_surface;
diff --git a/src/vulkan.c b/src/vulkan.c
index 51789249..b5ca25c0 100644
--- a/src/vulkan.c
+++ b/src/vulkan.c
@@ -45,6 +45,7 @@ GLFWbool _glfwInitVulkan(int mode)
 {
     VkResult err;
     VkExtensionProperties* ep;
+    PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties;
     uint32_t i, count;
 
     if (_glfw.vk.available)
@@ -81,9 +82,9 @@ GLFWbool _glfwInitVulkan(int mode)
         return GLFW_FALSE;
     }
 
-    _glfw.vk.EnumerateInstanceExtensionProperties = (PFN_vkEnumerateInstanceExtensionProperties)
+    vkEnumerateInstanceExtensionProperties = (PFN_vkEnumerateInstanceExtensionProperties)
         vkGetInstanceProcAddr(NULL, "vkEnumerateInstanceExtensionProperties");
-    if (!_glfw.vk.EnumerateInstanceExtensionProperties)
+    if (!vkEnumerateInstanceExtensionProperties)
     {
         _glfwInputError(GLFW_API_UNAVAILABLE,
                         "Vulkan: Failed to retrieve vkEnumerateInstanceExtensionProperties");