diff --git a/src/lib.rs b/src/lib.rs
index 1f6edf406..19679ad48 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -65,7 +65,7 @@ mod token;
 #[macro_use]
 mod dehtml;
 
-pub mod dc_receive_imf;
+mod dc_receive_imf;
 pub mod dc_tools;
 
 /// if set imap/incoming and smtp/outgoing MIME messages will be printed