diff --git a/qemu-doc.texi b/qemu-doc.texi
index 4fcc85acc7..76ca83feae 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -2606,13 +2606,6 @@ which is the default.
 
 @section System emulator command line arguments
 
-@subsection -tdf (since 1.3.0)
-
-The ``-tdf'' argument is ignored. The behaviour implemented
-by this argument is now the default when using the KVM PIT,
-but can be requested explicitly using
-``-global kvm-pit.lost_tick_policy=slew''.
-
 @subsection -no-kvm-pit-reinjection (since 1.3.0)
 
 The ``-no-kvm-pit-reinjection'' argument is now a
diff --git a/vl.c b/vl.c
index 6120b889ed..a92f60c8b7 100644
--- a/vl.c
+++ b/vl.c
@@ -3842,9 +3842,6 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
                 break;
-            case QEMU_OPTION_tdf:
-                warn_report("ignoring deprecated option");
-                break;
             case QEMU_OPTION_name:
                 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
                                                optarg, true);