2 files changed, 2 insertions, 2 deletions

diff --git a/firmware/drivers/ata.c b/firmware/drivers/ata.c
index 57164c4749..25eac26e99 100644
--- a/firmware/drivers/ata.c
+++ b/firmware/drivers/ata.c
@@ -66,7 +66,7 @@
 #define ATA_POWER_OFF_TIMEOUT 2*HZ
 #endif
 
-#ifdef MAX_PHYS_SECTOR_SIZE
+#if defined(MAX_PHYS_SECTOR_SIZE) && MEM == 64
 /* Hack - what's the deal with 5g? */
 struct ata_lock
 {
diff --git a/firmware/thread.c b/firmware/thread.c
index 0049df3e90..a25a191b80 100644
--- a/firmware/thread.c
+++ b/firmware/thread.c
@@ -161,7 +161,7 @@ void switch_thread(void)
  * Processor-specific section
  */
 
-#ifdef MAX_PHYS_SECTOR_SIZE
+#if defined(MAX_PHYS_SECTOR_SIZE) && MEM == 64
 /* Support a special workaround object for large-sector disks */
 #define IF_NO_SKIP_YIELD(...) __VA_ARGS__
 #else