diff --git a/boot/bootutil/src/bootutil_misc.c b/boot/bootutil/src/bootutil_misc.c
index 87b863507..49b58b057 100644
--- a/boot/bootutil/src/bootutil_misc.c
+++ b/boot/bootutil/src/bootutil_misc.c
@@ -173,7 +173,7 @@ boot_status_off(const struct flash_area *fap)
     elem_sz = flash_area_align(fap);
 
 #if MCUBOOT_SWAP_USING_SCRATCH
-    if (fap->fa_id == FLASH_AREA_IMAGE_SCRATCH) {
+    if (flash_area_get_id(fap) == FLASH_AREA_IMAGE_SCRATCH) {
         off_from_end = boot_scratch_trailer_sz(elem_sz);
     } else {
 #endif
diff --git a/boot/bootutil/src/loader.c b/boot/bootutil/src/loader.c
index 807a566c6..a6423835c 100644
--- a/boot/bootutil/src/loader.c
+++ b/boot/bootutil/src/loader.c
@@ -1056,7 +1056,7 @@ boot_validate_slot(struct boot_loader_state *state, int slot,
             goto out;
         }
 
-        if (reset_value < pri_fa->fa_off || reset_value> (pri_fa->fa_off + pri_fa->fa_size)) {
+        if (reset_value < flash_area_get_off(pri_fa) || reset_value > (flash_area_get_off(pri_fa) + flash_area_get_size(pri_fa))) {
             BOOT_LOG_ERR("Reset address of image in secondary slot is not in the primary slot");
             BOOT_LOG_ERR("Erasing image from secondary slot");
 
diff --git a/docs/release-notes.d/bootutil-sector.md b/docs/release-notes.d/bootutil-sector.md
index be1186de0..7a907ddb0 100644
--- a/docs/release-notes.d/bootutil-sector.md
+++ b/docs/release-notes.d/bootutil-sector.md
@@ -1,3 +1,5 @@
+- bootutil: Removed manual mentions to `flash_area::fa_xyz`,
+  allowing for an opaque `flash_area` definition.
 - bootutil: Fixed issue with comparing sector sizes for
   compatibility, this now also checks against the number of usable
   sectors (which is the slot size minus the swap status and moved