diff --git a/dlls/wined3d/context_vk.c b/dlls/wined3d/context_vk.c
index 8df416851f2..705f789ed5f 100644
--- a/dlls/wined3d/context_vk.c
+++ b/dlls/wined3d/context_vk.c
@@ -306,7 +306,7 @@ VkDeviceMemory wined3d_context_vk_allocate_vram_chunk_memory(struct wined3d_cont
     return vk_memory;
 }
 
-struct wined3d_allocator_block *wined3d_context_vk_allocate_memory(struct wined3d_context_vk *context_vk,
+static struct wined3d_allocator_block *wined3d_context_vk_allocate_memory(struct wined3d_context_vk *context_vk,
         unsigned int memory_type, VkDeviceSize size, VkDeviceMemory *vk_memory)
 {
     struct wined3d_device_vk *device_vk = wined3d_device_vk(context_vk->c.device);
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 6e9f3884724..86c053df0db 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2611,8 +2611,6 @@ static inline struct wined3d_context_vk *wined3d_context_vk(struct wined3d_conte
 void wined3d_context_vk_accumulate_pending_queries(struct wined3d_context_vk *context_vk) DECLSPEC_HIDDEN;
 void wined3d_context_vk_add_pending_query(struct wined3d_context_vk *context_vk,
         struct wined3d_query_vk *query_vk) DECLSPEC_HIDDEN;
-struct wined3d_allocator_block *wined3d_context_vk_allocate_memory(struct wined3d_context_vk *context_vk,
-        unsigned int memory_type, VkDeviceSize size, VkDeviceMemory *vk_memory) DECLSPEC_HIDDEN;
 bool wined3d_context_vk_allocate_query(struct wined3d_context_vk *context_vk,
         enum wined3d_query_type type, struct wined3d_query_pool_idx_vk *pool_idx) DECLSPEC_HIDDEN;
 VkDeviceMemory wined3d_context_vk_allocate_vram_chunk_memory(struct wined3d_context_vk *context_vk,