diff --git a/apps/app_ices.c b/apps/app_ices.c
index b2a4e9b914..88d118f089 100644
--- a/apps/app_ices.c
+++ b/apps/app_ices.c
@@ -86,11 +86,11 @@ static int icesencode(char *filename, int fd)
 			close(x);
 	}
 	/* Most commonly installed in /usr/local/bin */
-	execl(ICES, "ices", filename, (char *)NULL);
+	execl(ICES, "ices", filename, NULL);
 	/* But many places has it in /usr/bin */
-	execl(LOCAL_ICES, "ices", filename, (char *)NULL);
+	execl(LOCAL_ICES, "ices", filename, NULL);
 	/* As a last-ditch effort, try to use PATH */
-	execlp("ices", "ices", filename, (char *)NULL);
+	execlp("ices", "ices", filename, NULL);
 	ast_log(LOG_WARNING, "Execute of ices failed\n");
 	_exit(0);
 }
diff --git a/apps/app_queue.c b/apps/app_queue.c
index 323ab4d8cc..ad39a78cdf 100644
--- a/apps/app_queue.c
+++ b/apps/app_queue.c
@@ -1704,7 +1704,7 @@ static int say_position(struct queue_ent *qe, int ringing)
 			res = play_file(qe->chan, qe->parent->sound_thereare);
 			if (res)
 				goto playout;
-			res = ast_say_number(qe->chan, qe->pos, AST_DIGIT_ANY, qe->chan->language, (char *) NULL); /* Needs gender */
+			res = ast_say_number(qe->chan, qe->pos, AST_DIGIT_ANY, qe->chan->language, NULL); /* Needs gender */
 			if (res)
 				goto playout;
 			res = play_file(qe->chan, qe->parent->sound_calls);
diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index ad4bf46198..22254f062e 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -3403,7 +3403,7 @@ static int resequence_mailbox(struct ast_vm_user *vmu, char *dir)
 static int say_and_wait(struct ast_channel *chan, int num, const char *language)
 {
 	int d;
-	d = ast_say_number(chan, num, AST_DIGIT_ANY, language, (char *) NULL);
+	d = ast_say_number(chan, num, AST_DIGIT_ANY, language, NULL);
 	return d;
 }