diff -Nur a/fop-core/src/main/java/org/apache/fop/cli/CommandLineOptions.java b/fop-core/src/main/java/org/apache/fop/cli/CommandLineOptions.java
--- a/fop-core/src/main/java/org/apache/fop/cli/CommandLineOptions.java	2017-04-03 19:23:57.000000000 +0800
+++ b/fop-core/src/main/java/org/apache/fop/cli/CommandLineOptions.java	2023-09-16 09:21:10.478347745 +0800
@@ -1183,7 +1183,7 @@
     public static void printUsage(PrintStream out) {
         out.println(
               "\nUSAGE\nfop [options] [-fo|-xml] infile [-xsl file] "
-                    + "[-awt|-pdf|-mif|-rtf|-tiff|-png|-pcl|-ps|-txt|-at [mime]|-print] <outfile>\n"
+                    + "[-awt|-pdf|-rtf|-tiff|-png|-pcl|-ps|-txt|-at [mime]|-print] <outfile>\n"
             + " [OPTIONS]  \n"
             + "  -version          print FOP version and exit\n"
             + "  -x                dump configuration settings  \n"
@@ -1274,7 +1274,6 @@
             + "  fop -xml foo.xml -xsl foo.xsl -pdf foo.pdf\n"
             + "  fop -xml foo.xml -xsl foo.xsl -foout foo.fo\n"
             + "  fop -xml - -xsl foo.xsl -pdf -\n"
-            + "  fop foo.fo -mif foo.mif\n"
             + "  fop foo.fo -rtf foo.rtf\n"
             + "  fop foo.fo -print\n"
             + "  fop foo.fo -awt\n");