diff --git a/ncal.c b/ncal.c
index 8feb98a..35f3069 100644
--- a/ncal.c
+++ b/ncal.c
@@ -586,12 +586,8 @@ usage(void)
 {
 
 	fputs(
-"Usage: cal [general options] [-jy] [[month] year]\n"
-"       cal [general options] [-j] [-m month] [year]\n"
-"       ncal -C [general options] [-jy] [[month] year]\n"
-"       ncal -C [general options] [-j] [-m month] [year]\n"
-"       ncal [general options] [-bhJjpwySM] [-H yyyy-mm-dd] [-s country_code] [[month] year]\n"
-"       ncal [general options] [-bhJeoSM] [year]\n"
+"Usage: ncal [general options] [-bJjpwySM] [-H yyyy-mm-dd] [-s country_code] [[month] year]\n"
+"       ncal [general options] [-bJeoSM] [year]\n"
 "General options: [-31] [-A months] [-B months] [-d yyyy-mm]\n",
 	    stderr);
 	exit(EX_USAGE);