2 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/block/des/des.h b/src/lib/block/des/des.h
index 7ba563545..d8bbcfdd1 100644
--- a/src/lib/block/des/des.h
+++ b/src/lib/block/des/des.h
@@ -10,6 +10,8 @@
 
 #include <botan/block_cipher.h>
 
+BOTAN_FUTURE_INTERNAL_HEADER(des.h)
+
 namespace Botan {
 
 /**
diff --git a/src/lib/block/des/desx.h b/src/lib/block/des/desx.h
index fa9a99663..0189a9982 100644
--- a/src/lib/block/des/desx.h
+++ b/src/lib/block/des/desx.h
@@ -10,6 +10,8 @@
 
 #include <botan/des.h>
 
+BOTAN_FUTURE_INTERNAL_HEADER(desx.h)
+
 namespace Botan {
 
 /**