diff --git a/src/dc_job.rs b/src/dc_job.rs
index 5efa05f53..1445eeb7d 100644
--- a/src/dc_job.rs
+++ b/src/dc_job.rs
@@ -17,7 +17,6 @@ use crate::dc_mimefactory::*;
 use crate::dc_msg::*;
 use crate::dc_tools::*;
 use crate::imap::*;
-use crate::keyhistory::*;
 use crate::param::*;
 use crate::sql;
 use crate::types::*;
@@ -1277,13 +1276,6 @@ pub unsafe fn dc_job_send_msg(context: &Context, msg_id: uint32_t) -> libc::c_in
                 (*mimefactory.msg).param.set_int(Param::GuranteeE2ee, 1);
                 dc_msg_save_param_to_disk(mimefactory.msg);
             }
-            dc_add_to_keyhistory(
-                context,
-                0 as *const libc::c_char,
-                0,
-                0 as *const libc::c_char,
-                0 as *const libc::c_char,
-            );
             success = dc_add_smtp_job(context, 5901i32, &mut mimefactory);
         }
     }
diff --git a/src/keyhistory.rs b/src/keyhistory.rs
deleted file mode 100644
index ca4bc9507..000000000
--- a/src/keyhistory.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-use crate::context::Context;
-
-/* yes: uppercase */
-/* library private: key-history */
-pub fn dc_add_to_keyhistory(
-    _context: &Context,
-    _rfc724_mid: *const libc::c_char,
-    _sending_time: u64,
-    _addr: *const libc::c_char,
-    _fingerprint: *const libc::c_char,
-) {
-
-}
diff --git a/src/lib.rs b/src/lib.rs
index 395d2068f..da16c8c4a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,7 +25,6 @@ pub mod contact;
 pub mod context;
 pub mod imap;
 pub mod key;
-pub mod keyhistory;
 pub mod keyring;
 pub mod oauth2;
 pub mod param;