diff --git a/include/libssh/libssh.h b/include/libssh/libssh.h
index 8cbe5cd7..121729f1 100644
--- a/include/libssh/libssh.h
+++ b/include/libssh/libssh.h
@@ -687,6 +687,7 @@ LIBSSH_API int ssh_key_is_private(const ssh_key k);
 LIBSSH_API int ssh_key_cmp(const ssh_key k1,
                            const ssh_key k2,
                            enum ssh_keycmp_e what);
+LIBSSH_API ssh_key ssh_key_dup(const ssh_key key);
 
 LIBSSH_API int ssh_pki_generate(enum ssh_keytypes_e type, int parameter,
         ssh_key *pkey);
diff --git a/include/libssh/pki.h b/include/libssh/pki.h
index 2901ba8b..722f47d9 100644
--- a/include/libssh/pki.h
+++ b/include/libssh/pki.h
@@ -111,7 +111,6 @@ struct ssh_signature_struct {
 typedef struct ssh_signature_struct *ssh_signature;
 
 /* SSH Key Functions */
-ssh_key ssh_key_dup(const ssh_key key);
 void ssh_key_clean (ssh_key key);
 
 const char *