diff --git a/arch/parisc/kernel/ioctl32.c b/arch/parisc/kernel/ioctl32.c
index 8cad8f004f009fdecadb85ffb42bc8c1b3253e18..0a331104ad5675a0c8f9440e44d8bb63977996ad 100644
--- a/arch/parisc/kernel/ioctl32.c
+++ b/arch/parisc/kernel/ioctl32.c
@@ -561,11 +561,6 @@ IOCTL_TABLE_START
 #define DECLARES
 #include "compat_ioctl.c"
 
-/* Might be moved to compat_ioctl.h with some ifdefs... */
-COMPATIBLE_IOCTL(TIOCSTART)
-COMPATIBLE_IOCTL(TIOCSTOP)
-COMPATIBLE_IOCTL(TIOCSLTC)
-
 /* PA-specific ioctls */
 COMPATIBLE_IOCTL(PA_PERF_ON)
 COMPATIBLE_IOCTL(PA_PERF_OFF)
diff --git a/arch/ppc64/kernel/ioctl32.c b/arch/ppc64/kernel/ioctl32.c
index a8005db23ec58d62f062e87b3267c460437792b3..ba4a899045c2b7738b193370144633110bb3dcd2 100644
--- a/arch/ppc64/kernel/ioctl32.c
+++ b/arch/ppc64/kernel/ioctl32.c
@@ -39,9 +39,7 @@ IOCTL_TABLE_START
 #include <linux/compat_ioctl.h>
 #define DECLARES
 #include "compat_ioctl.c"
-COMPATIBLE_IOCTL(TIOCSTART)
-COMPATIBLE_IOCTL(TIOCSTOP)
-COMPATIBLE_IOCTL(TIOCSLTC)
+
 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c
index 43fc3173d48062f4eab0c01c7c633ec5a851b862..e6a00325075ac2d44df6b59a3087711a18d1fe04 100644
--- a/arch/sparc64/kernel/ioctl32.c
+++ b/arch/sparc64/kernel/ioctl32.c
@@ -475,9 +475,6 @@ IOCTL_TABLE_START
 #include <linux/compat_ioctl.h>
 #define DECLARES
 #include "compat_ioctl.c"
-COMPATIBLE_IOCTL(TIOCSTART)
-COMPATIBLE_IOCTL(TIOCSTOP)
-COMPATIBLE_IOCTL(TIOCSLTC)
 COMPATIBLE_IOCTL(FBIOGTYPE)
 COMPATIBLE_IOCTL(FBIOSATTR)
 COMPATIBLE_IOCTL(FBIOGATTR)
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index a327e03753ac6bd081d7349480e09a93f7341f70..43dbcb0b21ebcc2ec51cfcc1052fc2879b73cbeb 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -3046,6 +3046,10 @@ HANDLE_IOCTL(RAW_GETBIND, raw_ioctl)
 /* Serial */
 HANDLE_IOCTL(TIOCGSERIAL, serial_struct_ioctl)
 HANDLE_IOCTL(TIOCSSERIAL, serial_struct_ioctl)
+#ifdef TIOCGLTC
+COMPATIBLE_IOCTL(TIOCGLTC)
+COMPATIBLE_IOCTL(TIOCSLTC)
+#endif
 /* Usbdevfs */
 HANDLE_IOCTL(USBDEVFS_CONTROL32, do_usbdevfs_control)
 HANDLE_IOCTL(USBDEVFS_BULK32, do_usbdevfs_bulk)