diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index 136f984df0d9..cdfa400f89b3 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -77,8 +77,6 @@ void *dma_direct_alloc_pages(struct device *dev, size_t size,
 		dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs);
 void dma_direct_free_pages(struct device *dev, size_t size, void *cpu_addr,
 		dma_addr_t dma_addr, unsigned long attrs);
-struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
-		gfp_t gfp, unsigned long attrs);
 int dma_direct_get_sgtable(struct device *dev, struct sg_table *sgt,
 		void *cpu_addr, dma_addr_t dma_addr, size_t size,
 		unsigned long attrs);
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 9ec6a5c3fc57..30c41b57acd9 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -109,7 +109,7 @@ static inline bool dma_should_free_from_pool(struct device *dev,
 	return false;
 }
 
-struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
+static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size,
 		gfp_t gfp, unsigned long attrs)
 {
 	size_t alloc_size = PAGE_ALIGN(size);