diff --git a/libmapper/app.c b/libmapper/app.c
index e4aea03..aa42461 100644
--- a/libmapper/app.c
+++ b/libmapper/app.c
@@ -84,57 +84,16 @@
 	sd_event_exit((sd_event *)loop, r);
 }
 
-static char** split_args(char* arg)
-{
-	int i = 0;
-	int count = 0;
-	char* p = arg;
-
-	while((p = strchr(p, ' ')) != NULL) {
-		count++;
-		p++;
-	}
-	if (count == 0)
-		return NULL;
-
-	/* Need to allocate space for count+1 number of arguments */
-	count++;
-	char** args = (char**)malloc(sizeof(*args) * count);
-	if (args != NULL) {
-		i = 0;
-		p = strtok(arg, " ");
-		while((p != NULL) && (i < count)) {
-			args[i++] = p;
-			p = strtok(NULL, " ");
-		}
-	}
-
-	return args;
-}
-
 static int wait_main(int argc, char *argv[])
 {
 	int r;
-	bool free_args = false;
-	char** args = argv + 2;
 	sd_bus *conn = NULL;
 	sd_event *loop = NULL;
 	mapper_async_wait *wait = NULL;
 
-	if((!strcmp(argv[1], "wait")) && argc < 3) {
+	if(argc < 3) {
 		fprintf(stderr, "Usage: %s wait OBJECTPATH...\n", argv[0]);
 		exit(EXIT_FAILURE);
-	} else if((!strcmp(argv[1], "wait-until-removed")) && argc < 4) {
-		/* The arguments can be passed by a single string, ex: "intf obj1..." */
-		/* Try to split the single into the multiple arguments */
-		args = split_args(argv[2]);
-		if (args != NULL)
-			free_args = true;
-		else {
-			fprintf(stderr, "Usage: %s wait-until-removed \
-					INTERFACE OBJECTPATH...\n", argv[0]);
-			exit(EXIT_FAILURE);
-		}
 	}
 
 	r = sd_bus_default_system(&conn);
@@ -161,11 +120,9 @@
 	}
 
 	if (!strcmp(argv[1], "wait"))
-		r = mapper_wait_async(conn, loop, NULL, args, quit, loop, &wait,
-				true);
+		r = mapper_wait_async(conn, loop, argv+2, quit, loop, &wait, true);
 	else if (!strcmp(argv[1], "wait-until-removed"))
-		r = mapper_wait_async(conn, loop, args[0], args+1, quit, loop, &wait,
-				false);
+		r = mapper_wait_async(conn, loop, argv+2, quit, loop, &wait, false);
 	if(r < 0) {
 		fprintf(stderr, "Error configuring waitlist: %s\n",
 				strerror(-r));
@@ -180,8 +137,6 @@
 	}
 
 finish:
-	if (free_args)
-		free(args);
 	exit(r < 0 ? EXIT_FAILURE : EXIT_SUCCESS);
 }
 
diff --git a/libmapper/mapper.c b/libmapper/mapper.c
index 4f2d022..ad64d4a 100644
--- a/libmapper/mapper.c
+++ b/libmapper/mapper.c
@@ -45,7 +45,6 @@
 
 struct mapper_async_wait
 {
-	char *intf;
 	char **objs;
 	void (*callback)(int, void *);
 	void *userdata;
@@ -151,49 +150,6 @@
 	return 0;
 }
 
-static int get_interface(sd_bus_message *m,
-		mapper_async_wait *wait, char* interface)
-{
-	int r = 0;
-	char* tmp_intf = NULL;
-
-	for(int i = 0; i<wait->count; ++i) {
-		sd_bus_error error = SD_BUS_ERROR_NULL;
-		r = sd_bus_call_method(
-				wait->conn,
-				MAPPER_BUSNAME,
-				MAPPER_PATH,
-				MAPPER_INTERFACE,
-				"GetSubTreePaths",
-				&error,
-				&m,
-				"sias",
-				wait->objs[i],
-				0, 1,
-				wait->intf);
-		if (r < 0) {
-			fprintf(stderr, "Error invoking method: %s\n",
-					strerror(-r));
-			return r;
-		}
-
-		r = sd_bus_message_read(m, "as", 1, &tmp_intf);
-		if (r < 0) {
-			// Ignore the errno when the intf does not exist (ENXIO)
-			if (r == -ENXIO) {
-				r = 0;
-				continue;
-			}
-		} else
-			break;
-	}
-
-	if (tmp_intf)
-		strcpy(interface, tmp_intf);
-
-	return r;
-}
-
 static int async_wait_getobject_callback(sd_bus_message *m,
 		void *userdata,
 		sd_bus_error *e)
@@ -207,18 +163,6 @@
 		goto exit;
 
 	r = sd_bus_message_get_errno(m);
-
-	if (!r && !wait->added) {
-		// Dbus object exists, need to check if it has the requested interface
-		char intf[256];
-		intf[0] = '\0';
-		r = get_interface(m, wait, intf);
-		if ((r < 0) || (strlen(intf) != 0))
-			goto exit;
-		else
-			r = 0;
-	}
-
 	if(r == ENOENT) {
 		if (wait->added)
 			goto exit;
@@ -359,7 +303,6 @@
 
 int mapper_wait_async(sd_bus *conn,
 		sd_event *loop,
-		const char *intf,
 		char *objs[],
 		void (*callback)(int, void *),
 		void *userdata,
@@ -382,10 +325,6 @@
 	if(!wait->count)
 		return 0;
 	wait->added = added;
-	if (intf != NULL)
-		wait->intf = strdup(intf);
-	else
-		wait->intf = NULL;
 
 	wait->objs = sarraydup(objs);
 	if(!wait->objs) {
diff --git a/libmapper/mapper.h b/libmapper/mapper.h
index b3fed6b..9f85c5f 100644
--- a/libmapper/mapper.h
+++ b/libmapper/mapper.h
@@ -8,7 +8,7 @@
 typedef struct mapper_async_wait mapper_async_wait;
 void mapper_wait_async_free(mapper_async_wait *);
 
-int mapper_wait_async(sd_bus *, sd_event *, const char *, char *[],
+int mapper_wait_async(sd_bus *, sd_event *, char *[],
 		void (*)(int, void *), void *, mapper_async_wait **,
 		bool);
 int mapper_get_service(sd_bus *conn, const char *obj, char **service);