diff --git a/lib/include/srslte/common/liblte_security.h b/lib/include/srslte/common/liblte_security.h
index 4e0d02fbd..2a86882c7 100644
--- a/lib/include/srslte/common/liblte_security.h
+++ b/lib/include/srslte/common/liblte_security.h
@@ -193,13 +193,6 @@ LIBLTE_ERROR_ENUM liblte_security_128_eia2(const uint8* key,
                                            uint8*       msg,
                                            uint32       msg_len,
                                            uint8*       mac);
-LIBLTE_ERROR_ENUM liblte_security_128_eia2(const uint8* key,
-                                           uint32       count,
-                                           uint8        bearer,
-                                           uint8        direction,
-                                           uint8*       msg,
-                                           uint32       msg_len,
-                                           uint8*       mac);
 LIBLTE_ERROR_ENUM liblte_security_128_eia2(const uint8*           key,
                                            uint32                 count,
                                            uint8                  bearer,