diff --git a/doc/wireshark.pod.template b/doc/wireshark.pod.template
index 07deb13a29..e7b70a0b42 100644
--- a/doc/wireshark.pod.template
+++ b/doc/wireshark.pod.template
@@ -457,15 +457,6 @@ B<-S> flag).
 
 List the data link types supported by the interface and exit.
 
-=item -m  E<lt>fontE<gt>
-
-GTK+ only. Deprecated.
-
-Set the name of the monospace font used in the packet list, packet detail,
-packet bytes, and other views. This option is deprecated and will be removed
-in a future version of Wireshark. Use B<-o gui.qt.font_name> or
-B<-o gui.gtk2.font_name> instead.
-
 =item -n
 
 Disable network object name resolution (such as hostname, TCP and UDP port
diff --git a/ui/commandline.c b/ui/commandline.c
index ad6ee5cd67..c75b914ee8 100644
--- a/ui/commandline.c
+++ b/ui/commandline.c
@@ -472,10 +472,6 @@ void commandline_other_options(int argc, char *argv[], gboolean opt_reset)
                 arg_error = TRUE;
 #endif
                 break;
-            case 'm':        /* Fixed-width font for the display. GTK+ only. */
-                g_free(global_commandline_info.prefs_p->gui_gtk2_font_name);
-                global_commandline_info.prefs_p->gui_gtk2_font_name = g_strdup(optarg);
-                break;
             case 'n':        /* No name resolution */
                 disable_name_resolution();
                 break;