remove prototypes with no matching function

I don't have a way to build this.

pdccngetc() and pdccnputc() prototypes are in pdc.h
with a different spelling to the prototypes in pdc.c

diff --git sys/arch/hppa/dev/elroy.c sys/arch/hppa/dev/elroy.c
index 4b389dfb2d2..7a9bffea50d 100644
--- sys/arch/hppa/dev/elroy.c
+++ sys/arch/hppa/dev/elroy.c
@@ -47,7 +47,6 @@
 
 int	elroy_match(struct device *, void *, void *);
 void	elroy_attach(struct device *, struct device *, void *);
-int	elroy_intr(void *);
 
 const struct cfattach elroy_ca = {
 	sizeof(struct elroy_softc), elroy_match, elroy_attach
diff --git sys/arch/hppa/dev/pdc.c sys/arch/hppa/dev/pdc.c
index 896075bbd6b..bdbb31c1c67 100644
--- sys/arch/hppa/dev/pdc.c
+++ sys/arch/hppa/dev/pdc.c
@@ -54,9 +54,6 @@ char pdc_consbuf[IODC_MINIOSIZ] PDC_ALIGNMENT;
 iodcio_t pdc_cniodc, pdc_kbdiodc;
 pz_device_t *pz_kbd, *pz_cons;
 
-int pdcngetc(dev_t);
-void pdcnputc(dev_t, char *);
-
 struct consdev pdccons = { NULL, NULL, pdccngetc, pdccnputc,
      nullcnpollc, NULL, makedev(22, 0), CN_LOWPRI };
 
diff --git sys/arch/hppa/dev/siop_sgc.c sys/arch/hppa/dev/siop_sgc.c
index d70543a3d5e..0c3aa6421a3 100644
--- sys/arch/hppa/dev/siop_sgc.c
+++ sys/arch/hppa/dev/siop_sgc.c
@@ -39,7 +39,6 @@
 
 int siop_sgc_match(struct device *, void *, void *);
 void siop_sgc_attach(struct device *, struct device *, void *);
-int siop_sgc_intr(void *);
 void siop_sgc_reset(struct siop_common_softc *);
 
 u_int8_t siop_sgc_r1(void *, bus_space_handle_t, bus_size_t);
diff --git sys/arch/hppa/dev/wax.c sys/arch/hppa/dev/wax.c
index 4167660fe69..46c8c685137 100644
--- sys/arch/hppa/dev/wax.c
+++ sys/arch/hppa/dev/wax.c
@@ -42,7 +42,6 @@
 
 int	waxmatch(struct device *, void *, void *);
 void	waxattach(struct device *, struct device *, void *);
-void	wax_gsc_attach(struct device *);
 
 const struct cfattach wax_ca = {
 	sizeof(struct device), waxmatch, waxattach
diff --git sys/arch/hppa/gsc/harmony.c sys/arch/hppa/gsc/harmony.c
index e0ee7de1a81..5c5577a7bf5 100644
--- sys/arch/hppa/gsc/harmony.c
+++ sys/arch/hppa/gsc/harmony.c
@@ -99,8 +99,6 @@ u_int32_t harmony_speed_bits(struct harmony_softc *, u_long *);
 int harmony_set_gainctl(struct harmony_softc *);
 void harmony_reset_codec(struct harmony_softc *);
 void harmony_start_cp(struct harmony_softc *);
-void harmony_tick_pb(void *);
-void harmony_tick_cp(void *);
 void harmony_try_more(struct harmony_softc *);
 
 void harmony_acc_tmo(void *);
diff --git sys/arch/hppa/gsc/siop_gsc.c sys/arch/hppa/gsc/siop_gsc.c
index 2bff40dd420..6533009832d 100644
--- sys/arch/hppa/gsc/siop_gsc.c
+++ sys/arch/hppa/gsc/siop_gsc.c
@@ -39,7 +39,6 @@
 
 int siop_gsc_match(struct device *, void *, void *);
 void siop_gsc_attach(struct device *, struct device *, void *);
-int siop_gsc_intr(void *);
 void siop_gsc_reset(struct siop_common_softc *);
 
 u_int8_t siop_gsc_r1(void *, bus_space_handle_t, bus_size_t);
diff --git sys/arch/hppa/hppa/machdep.c sys/arch/hppa/hppa/machdep.c
index 2241bb37366..58a4b6bedfc 100644
--- sys/arch/hppa/hppa/machdep.c
+++ sys/arch/hppa/hppa/machdep.c
@@ -177,12 +177,6 @@ extern const u_int itlb_s[], itlbna_s[], dtlb_s[], dtlbna_s[], tlbd_s[];
 extern const u_int itlb_t[], itlbna_t[], dtlb_t[], dtlbna_t[], tlbd_t[];
 extern const u_int itlb_l[], itlbna_l[], dtlb_l[], dtlbna_l[], tlbd_l[];
 extern const u_int itlb_u[], itlbna_u[], dtlb_u[], dtlbna_u[], tlbd_u[];
-int iibtlb_s(int i, pa_space_t sp, vaddr_t va, paddr_t pa,
-    vsize_t sz, u_int prot);
-int idbtlb_s(int i, pa_space_t sp, vaddr_t va, paddr_t pa,
-    vsize_t sz, u_int prot);
-int ibtlb_t(int i, pa_space_t sp, vaddr_t va, paddr_t pa,
-    vsize_t sz, u_int prot);
 int ibtlb_l(int i, pa_space_t sp, vaddr_t va, paddr_t pa,
     vsize_t sz, u_int prot);
 int ibtlb_u(int i, pa_space_t sp, vaddr_t va, paddr_t pa,
diff --git sys/arch/hppa/include/autoconf.h sys/arch/hppa/include/autoconf.h
index ec039843951..2116dddfb1f 100644
--- sys/arch/hppa/include/autoconf.h
+++ sys/arch/hppa/include/autoconf.h
@@ -78,6 +78,5 @@ void	*cpu_intr_map(void *v, int pri, int irq, int (*handler)(void *),
 	    void *arg, const char *name);
 void	*cpu_intr_establish(int pri, int irq, int (*handler)(void *),
 	    void *arg, const char *name);
-int	clock_intr(void *);
 
 void	dumpconf(void);