diff --git a/coap-server.c b/coap-server.c
index f3b888a1..f10c24a0 100644
--- a/coap-server.c
+++ b/coap-server.c
@@ -121,20 +121,12 @@ hnd_get_time(coap_context_t  *ctx, struct coap_resource_t *resource,
 
     if (token->length)
       coap_add_option(response, COAP_OPTION_TOKEN, token->length, token->s);
-
-    /* indicate that value is good for at least 30 seconds */
-    coap_add_option(response, COAP_OPTION_MAX_OFE,
-		    coap_encode_var_bytes(buf, 30), buf);
   } else {
     coap_add_option(response, COAP_OPTION_SUBSCRIPTION,
 		    coap_encode_var_bytes(buf, ctx->observe), buf);
 
     if (token->length)
       coap_add_option(response, COAP_OPTION_TOKEN, token->length, token->s);
-
-    /* indicate that value is good for at least 30 seconds */
-    coap_add_option(response, COAP_OPTION_MAX_OFE,
-		    coap_encode_var_bytes(buf, 30), buf);
   }
 
   /* calculate current time */
diff --git a/pdu.h b/pdu.h
index 8dac1e28..19dccc1a 100644
--- a/pdu.h
+++ b/pdu.h
@@ -68,7 +68,6 @@
 /* option types from draft-hartke-coap-observe-01 */
 
 #define COAP_OPTION_SUBSCRIPTION 10 /* E, uint, 0-2 B, - */
-#define COAP_OPTION_MAX_OFE      14 /* E, uint, 0-4 B, 0 */
 
 /* selected option types from draft-core-block-04 */