diff --git a/nimble/host/mesh/include/mesh/access.h b/nimble/host/mesh/include/mesh/access.h
index fd1f1134c..9f923cb9e 100644
--- a/nimble/host/mesh/include/mesh/access.h
+++ b/nimble/host/mesh/include/mesh/access.h
@@ -42,6 +42,9 @@ extern "C" {
 #define BT_MESH_IS_DEV_KEY(key) (key == BT_MESH_KEY_DEV_LOCAL || \
 				 key == BT_MESH_KEY_DEV_REMOTE)
 
+#define BT_MESH_APP_SEG_SDU_MAX        12
+#define BT_MESH_TX_SDU_MAX (CONFIG_BT_MESH_TX_SEG_MAX * BT_MESH_APP_SEG_SDU_MAX)
+#define BT_MESH_RX_SDU_MAX (CONFIG_BT_MESH_RX_SEG_MAX * BT_MESH_APP_SEG_SDU_MAX)
 /** Helper to define a mesh element within an array.
  *
  *  In case the element has no SIG or Vendor models the helper
diff --git a/nimble/host/mesh/src/transport.h b/nimble/host/mesh/src/transport.h
index 4a9f7e39b..23be7139d 100644
--- a/nimble/host/mesh/src/transport.h
+++ b/nimble/host/mesh/src/transport.h
@@ -13,9 +13,6 @@
 
 #define BT_MESH_SDU_UNSEG_MAX          11
 #define BT_MESH_CTL_SEG_SDU_MAX        8
-#define BT_MESH_APP_SEG_SDU_MAX        12
-#define BT_MESH_TX_SDU_MAX (CONFIG_BT_MESH_TX_SEG_MAX * BT_MESH_APP_SEG_SDU_MAX)
-#define BT_MESH_RX_SDU_MAX (CONFIG_BT_MESH_RX_SEG_MAX * BT_MESH_APP_SEG_SDU_MAX)
 #define BT_MESH_RX_CTL_MAX (CONFIG_BT_MESH_RX_SEG_MAX * BT_MESH_CTL_SEG_SDU_MAX)
 
 #define TRANS_SEQ_ZERO_MASK            ((uint16_t)BIT_MASK(13))