diff --git a/sw/device/lib/flash_ctrl.h b/sw/device/lib/flash_ctrl.h
index 94f1b0e..ff5d5cf 100644
--- a/sw/device/lib/flash_ctrl.h
+++ b/sw/device/lib/flash_ctrl.h
@@ -50,6 +50,8 @@
   uint32_t prog_en;
   /** Erase enable flag. */
   uint32_t erase_en;
+  /** Scramble / ECC enable flag. */
+  uint32_t scramble_en;
 } mp_region_t;
 
 /**
@@ -100,11 +102,6 @@
 void flash_cfg_bank_erase(bank_index_t bank, bool erase_en);
 
 /**
- * Configure scramble enable
- */
-void flash_cfg_scramble_enable(bool en);
-
-/**
  * Set flash controller default permissions.
  *
  * @param rd_end Read enable.