diff --git a/core/rend/gles/postprocess.cpp b/core/rend/gles/postprocess.cpp
index f3e875d26..0e18d88b7 100644
--- a/core/rend/gles/postprocess.cpp
+++ b/core/rend/gles/postprocess.cpp
@@ -80,7 +80,6 @@ uniform sampler2D Texture;
 #define Source Texture
 #define TextureSize textureSize(Texture, 0)
 #define vTexCoord (gl_FragCoord.xy / vec2(textureSize(Texture, 0)))
-#define texture(c, d) COMPAT_TEXTURE(c, d)
 
 float dithertable[16] = float[](
 	16.,4.,13.,1.,   
diff --git a/core/rend/vulkan/vulkan.h b/core/rend/vulkan/vulkan.h
index c04c5bd15..e93a372dc 100644
--- a/core/rend/vulkan/vulkan.h
+++ b/core/rend/vulkan/vulkan.h
@@ -24,7 +24,7 @@
 #ifdef LIBRETRO
 #include <vulkan/vulkan_symbol_wrapper.h>
 
-static inline PFN_vkVoidFunction vkGetInstanceProcAddr(VkInstance instance, const char *name) {
+static inline VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance, const char *name) {
 	return (*vulkan_symbol_wrapper_instance_proc_addr())(instance, name);
 }