Index: kernel/generic/src/ipc/sysipc.c
===================================================================
--- kernel/generic/src/ipc/sysipc.c	(revision 4e5dabf872f498631fc35dbcf67ea7d2141df88f)
+++ kernel/generic/src/ipc/sysipc.c	(revision 936b72e201381317b2f2553fcfdba3265e667a93)
@@ -612,123 +612,4 @@
 		break;
 	}
-	
-	return 0;
-}
-
-/** Make a fast call over IPC, wait for reply and return to user.
- *
- * This function can handle only three arguments of payload, but is faster than
- * the generic function (i.e. sys_ipc_call_sync_slow()).
- *
- * @param phoneid Phone handle for the call.
- * @param imethod Interface and method of the call.
- * @param arg1    Service-defined payload argument.
- * @param arg2    Service-defined payload argument.
- * @param arg3    Service-defined payload argument.
- * @param data    Address of user-space structure where the reply call will
- *                be stored.
- *
- * @return 0 on success.
- * @return ENOENT if there is no such phone handle.
- *
- */
-sysarg_t sys_ipc_call_sync_fast(sysarg_t phoneid, sysarg_t imethod,
-    sysarg_t arg1, sysarg_t arg2, sysarg_t arg3, ipc_data_t *data)
-{
-	phone_t *phone;
-	if (phone_get(phoneid, &phone) != EOK)
-		return ENOENT;
-	
-	call_t *call = ipc_call_alloc(0);
-	IPC_SET_IMETHOD(call->data, imethod);
-	IPC_SET_ARG1(call->data, arg1);
-	IPC_SET_ARG2(call->data, arg2);
-	IPC_SET_ARG3(call->data, arg3);
-	
-	/*
-	 * To achieve deterministic behavior, zero out arguments that are beyond
-	 * the limits of the fast version.
-	 */
-	IPC_SET_ARG4(call->data, 0);
-	IPC_SET_ARG5(call->data, 0);
-	
-	int res = request_preprocess(call, phone);
-	int rc;
-	
-	if (!res) {
-#ifdef CONFIG_UDEBUG
-		udebug_stoppable_begin();
-#endif
-		rc = ipc_call_sync(phone, call);
-#ifdef CONFIG_UDEBUG
-		udebug_stoppable_end();
-#endif
-		
-		if (rc != EOK) {
-			/* The call will be freed by ipc_cleanup(). */
-			return rc;
-		}
-		
-		process_answer(call);
-	} else
-		IPC_SET_RETVAL(call->data, res);
-	
-	rc = STRUCT_TO_USPACE(&data->args, &call->data.args);
-	ipc_call_free(call);
-	if (rc != 0)
-		return rc;
-	
-	return 0;
-}
-
-/** Make a synchronous IPC call allowing to transmit the entire payload.
- *
- * @param phoneid Phone handle for the call.
- * @param request User-space address of call data with the request.
- * @param reply   User-space address of call data where to store the
- *                answer.
- *
- * @return Zero on success or an error code.
- *
- */
-sysarg_t sys_ipc_call_sync_slow(sysarg_t phoneid, ipc_data_t *request,
-    ipc_data_t *reply)
-{
-	phone_t *phone;
-	if (phone_get(phoneid, &phone) != EOK)
-		return ENOENT;
-	
-	call_t *call = ipc_call_alloc(0);
-	int rc = copy_from_uspace(&call->data.args, &request->args,
-	    sizeof(call->data.args));
-	if (rc != 0) {
-		ipc_call_free(call);
-		return (sysarg_t) rc;
-	}
-	
-	int res = request_preprocess(call, phone);
-	
-	if (!res) {
-#ifdef CONFIG_UDEBUG
-		udebug_stoppable_begin();
-#endif
-		rc = ipc_call_sync(phone, call);
-#ifdef CONFIG_UDEBUG
-		udebug_stoppable_end();
-#endif
-		
-		if (rc != EOK) {
-			/* The call will be freed by ipc_cleanup(). */
-			return rc;
-		}
-		
-		process_answer(call);
-	} else
-		IPC_SET_RETVAL(call->data, res);
-	
-	rc = STRUCT_TO_USPACE(&reply->args, &call->data.args);
-	ipc_call_free(call);
-	if (rc != 0)
-		return rc;
 	
 	return 0;