diff --git a/backports/backport-include/asm/dma-mapping.h b/backports/backport-include/asm/dma-mapping.h
index 0337b057d5d..dbeb9723930 100644
--- a/backports/backport-include/asm/dma-mapping.h
+++ b/backports/backport-include/asm/dma-mapping.h
@@ -10,18 +10,4 @@ dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
 		       void *cpu_addr, dma_addr_t dma_addr, size_t size);
 #endif /* defined(CONFIG_BACKPORT_BPAUTO_BUILD_DMA_SHARED_HELPERS) */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
-
-#define dma_get_sgtable_attrs LINUX_BACKPORT(dma_get_sgtable_attrs)
-struct dma_attrs;
-static inline int
-dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr,
-		      dma_addr_t dma_addr, size_t size, struct dma_attrs *attrs)
-{
-	return dma_common_get_sgtable(dev, sgt, cpu_addr, dma_addr, size);
-}
-
-#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, NULL)
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0) */
-
 #endif /* __BACKPORT_ASM_DMA_MAPPING_H */
diff --git a/backports/compat/backport-3.10.c b/backports/compat/backport-3.10.c
index 53123fb11e0..c1c4c9bb0cd 100644
--- a/backports/compat/backport-3.10.c
+++ b/backports/compat/backport-3.10.c
@@ -32,18 +32,6 @@ void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid)
 }
 EXPORT_SYMBOL_GPL(proc_set_user);
 
-/* get_random_int() was not exported for module use until 3.10-rc.
-   Implement it here in terms of the more expensive get_random_bytes()
- */
-unsigned int get_random_int(void)
-{
-	unsigned int r;
-	get_random_bytes(&r, sizeof(r));
-
-	return r;
-}
-EXPORT_SYMBOL_GPL(get_random_int);
-
 #ifdef CONFIG_TTY
 /**
  * tty_port_tty_wakeup - helper to wake up a tty
@@ -196,32 +184,3 @@ static inline void set_page_refcounted(struct page *page)
 	VM_BUG_ON(atomic_read(&page->_count));
 	set_page_count(page, 1);
 }
-
-/*
- * split_page takes a non-compound higher-order page, and splits it into
- * n (1<<order) sub-pages: page[0..n]
- * Each sub-page must be freed individually.
- *
- * Note: this is probably too low level an operation for use in drivers.
- * Please consult with lkml before using this in your driver.
- */
-void split_page(struct page *page, unsigned int order)
-{
-	int i;
-
-	VM_BUG_ON(PageCompound(page));
-	VM_BUG_ON(!page_count(page));
-
-#ifdef CONFIG_KMEMCHECK
-	/*
-	 * Split shadow pages too, because free(page[0]) would
-	 * otherwise free the whole shadow.
-	 */
-	if (kmemcheck_page_is_tracked(page))
-		split_page(virt_to_page(page[0].shadow), order);
-#endif
-
-	for (i = 1; i < (1 << order); i++)
-		set_page_refcounted(page + i);
-}
-EXPORT_SYMBOL_GPL(split_page);
diff --git a/backports/compat/compat-3.6.c b/backports/compat/compat-3.6.c
index c82bfb8e477..448f0cb33c4 100644
--- a/backports/compat/compat-3.6.c
+++ b/backports/compat/compat-3.6.c
@@ -147,17 +147,3 @@ int sg_alloc_table_from_pages(struct sg_table *sgt,
 	return 0;
 }
 EXPORT_SYMBOL_GPL(sg_alloc_table_from_pages);
-
-/* whoopsie ! */
-#ifndef CONFIG_COMMON_CLK
-int clk_enable(struct clk *clk)
-{
-	return 0;
-}
-EXPORT_SYMBOL_GPL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL_GPL(clk_disable);
-#endif