diff --git a/sys/include/net/gcoap.h b/sys/include/net/gcoap.h
index 752c4e56db..9f0c62217d 100644
--- a/sys/include/net/gcoap.h
+++ b/sys/include/net/gcoap.h
@@ -596,23 +596,6 @@ size_t gcoap_req_send2(const uint8_t *buf, size_t len,
                        const sock_udp_ep_t *remote,
                        gcoap_resp_handler_t resp_handler);
 
-/**
- * @brief  Sends a buffer containing a CoAP request to the provided host/port
- *
- * @deprecated  Please use @ref gcoap_req_send2() instead
- *
- * @param[in] buf           Buffer containing the PDU
- * @param[in] len           Length of the buffer
- * @param[in] addr          Destination for the packet
- * @param[in] port          Port at the destination
- * @param[in] resp_handler  Callback when response received, may be NULL
- *
- * @return  length of the packet
- * @return  0 if cannot send
- */
-size_t gcoap_req_send(const uint8_t *buf, size_t len, const ipv6_addr_t *addr,
-                      uint16_t port, gcoap_resp_handler_t resp_handler);
-
 /**
  * @brief   Initializes a CoAP response packet on a buffer
  *
diff --git a/sys/net/application_layer/gcoap/gcoap.c b/sys/net/application_layer/gcoap/gcoap.c
index dfac7649af..1d58151643 100644
--- a/sys/net/application_layer/gcoap/gcoap.c
+++ b/sys/net/application_layer/gcoap/gcoap.c
@@ -707,20 +707,6 @@ ssize_t gcoap_finish(coap_pkt_t *pdu, size_t payload_len, unsigned format)
     return pdu->payload_len + (pdu->payload - (uint8_t *)pdu->hdr);
 }
 
-size_t gcoap_req_send(const uint8_t *buf, size_t len, const ipv6_addr_t *addr,
-                      uint16_t port, gcoap_resp_handler_t resp_handler)
-{
-    sock_udp_ep_t remote;
-
-    remote.family = AF_INET6;
-    remote.netif  = SOCK_ADDR_ANY_NETIF;
-    remote.port   = port;
-
-    memcpy(&remote.addr.ipv6[0], &addr->u8[0], sizeof(addr->u8));
-
-    return gcoap_req_send2(buf, len, &remote, resp_handler);
-}
-
 size_t gcoap_req_send2(const uint8_t *buf, size_t len,
                        const sock_udp_ep_t *remote,
                        gcoap_resp_handler_t resp_handler)