diff --git a/include/linux/android_pmem.h b/include/linux/android_pmem.h
index f42d74b6127..91f8f1b2409 100644
--- a/include/linux/android_pmem.h
+++ b/include/linux/android_pmem.h
@@ -151,8 +151,6 @@ struct android_pmem_platform_data
 	unsigned cached;
 	/* The MSM7k has bits to enable a write buffer in the bus controller*/
 	unsigned buffered;
-	/* This PMEM is on memory that may be powered off */
-	unsigned unstable;
 	/* which memory type (i.e. SMI, EBI1) this PMEM device is backed by */
 	unsigned memory_type;
 };
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index b4e4296e80a..4a737443f84 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -993,22 +993,6 @@ int remove_memory(u64 start, u64 size)
 	return offline_pages(start_pfn, end_pfn, 120 * HZ);
 }
 
-void reserve_hotplug_pages(unsigned long start_pfn, unsigned long nr_pages)
-{
-	nr_pages = ((nr_pages + pageblock_nr_pages - 1) >> pageblock_order)
-		<< pageblock_order;
-	offline_isolated_pages(start_pfn, start_pfn + nr_pages);
-}
-
-void unreserve_hotplug_pages(unsigned long start_pfn, unsigned long nr_pages)
-{
-	unsigned long onlined_pages = 0;
-
-	nr_pages = ((nr_pages + pageblock_nr_pages - 1) >> pageblock_order)
-		<< pageblock_order;
-	online_pages_range(start_pfn, nr_pages, &onlined_pages);
-}
-
 #else
 int remove_memory(u64 start, u64 size)
 {