Index: uspace/app/klog/klog.c
===================================================================
--- uspace/app/klog/klog.c	(revision 798f3644648816f32e8d38c8788b3427a334235d)
+++ uspace/app/klog/klog.c	(revision 2e51969e2c8c3905ceef1d73437f34d14c927dff)
@@ -64,7 +64,6 @@
 	
 	mapping = as_get_mappable_page(PAGE_SIZE);
-	res = ipc_call_sync_3(PHONE_NS, IPC_M_AS_AREA_RECV, 
-			      (sysarg_t) mapping, PAGE_SIZE, SERVICE_MEM_KLOG,
-			      NULL, NULL, NULL);
+	res = ipc_call_sync_3_0(PHONE_NS, IPC_M_AS_AREA_RECV,
+	    (sysarg_t) mapping, PAGE_SIZE, SERVICE_MEM_KLOG);
 	if (res) {
 		printf("Failed to initialize klog memarea\n");
Index: uspace/app/tester/ipc/send_sync.c
===================================================================
--- uspace/app/tester/ipc/send_sync.c	(revision 798f3644648816f32e8d38c8788b3427a334235d)
+++ uspace/app/tester/ipc/send_sync.c	(revision 2e51969e2c8c3905ceef1d73437f34d14c927dff)
@@ -30,4 +30,5 @@
 #include <unistd.h>
 #include "../tester.h"
+#include <ipc/ipc.h>
 
 char * test_send_sync(bool quiet)
@@ -45,5 +46,5 @@
 	
 	printf("Sending msg...");
-	res = ipc_call_sync_2(phoneid, 2000, 0, 0, NULL, NULL);
+	res = ipc_call_sync_0_0(phoneid, 2000);
 	printf("done: %d\n", res);