diff --git a/message_cache.cc b/message_cache.cc
index f6ca216..73111a3 100644
--- a/message_cache.cc
+++ b/message_cache.cc
@@ -3,7 +3,7 @@
 pEp::MessageCache pEp::message_cache;
 
 namespace pEp {
-    DYNAMIC_API PEP_STATUS MessageCache::cache_decrypt_message(
+    PEP_STATUS MessageCache::cache_decrypt_message(
             PEP_SESSION session,
             message *src,
             message **dst,
@@ -16,7 +16,7 @@ namespace pEp {
                 rating, flags);
     }
 
-    DYNAMIC_API PEP_STATUS MessageCache::cached_mime_encode_message(
+    PEP_STATUS MessageCache::cached_mime_encode_message(
             which one,
             const message * msg,
             bool omit_fields,
diff --git a/message_cache.hh b/message_cache.hh
index fc47241..8b86e66 100644
--- a/message_cache.hh
+++ b/message_cache.hh
@@ -22,8 +22,7 @@ namespace pEp {
         std::mutex _mtx;
 
     public:
-        static 
-        DYNAMIC_API PEP_STATUS cache_decrypt_message(
+        static PEP_STATUS cache_decrypt_message(
                 PEP_SESSION session,
                 message *src,
                 message **dst,
@@ -34,8 +33,7 @@ namespace pEp {
 
         enum which { msg_src, msg_dst };;
 
-        static
-        DYNAMIC_API PEP_STATUS cached_mime_encode_message(
+        static PEP_STATUS cached_mime_encode_message(
                 which one,
                 const message * msg,
                 bool omit_fields,