diff --git a/src/update_flash.c b/src/update_flash.c
index a39254a8..baf16b69 100644
--- a/src/update_flash.c
+++ b/src/update_flash.c
@@ -542,9 +542,7 @@ static int RAMFUNCTION wolfBoot_swap_and_final_erase(int resume)
 #endif
     hal_flash_lock();
 
-#ifdef EXT_ENCRYPTED
     wolfBoot_zeroize(tmpBuffer, sizeof(tmpBuffer));
-#endif
     (void)ret;
     return 0;
 }