diff --git a/hw/char/omap_uart.c b/hw/char/omap_uart.c
index 1c890b9201..6848bddb4e 100644
--- a/hw/char/omap_uart.c
+++ b/hw/char/omap_uart.c
@@ -175,12 +175,3 @@ struct omap_uart_s *omap2_uart_init(MemoryRegion *sysmem,
 
     return s;
 }
-
-void omap_uart_attach(struct omap_uart_s *s, Chardev *chr)
-{
-    /* TODO: Should reuse or destroy current s->serial */
-    s->serial = serial_mm_init(get_system_memory(), s->base, 2, s->irq,
-                               omap_clk_getrate(s->fclk) / 16,
-                               chr ?: qemu_chr_new("null", "null", NULL),
-                               DEVICE_NATIVE_ENDIAN);
-}
diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c
index 191a26fa57..6a7383d877 100644
--- a/hw/i386/kvm/i8254.c
+++ b/hw/i386/kvm/i8254.c
@@ -301,7 +301,6 @@ static void kvm_pit_realizefn(DeviceState *dev, Error **errp)
 }
 
 static Property kvm_pit_properties[] = {
-    DEFINE_PROP_UINT32("iobase", PITCommonState, iobase,  -1),
     DEFINE_PROP_LOSTTICKPOLICY("lost_tick_policy", KVMPITState,
                                lost_tick_policy, LOST_TICK_POLICY_DELAY),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/isa/i82378.c b/hw/isa/i82378.c
index 5432ab5065..63e0857208 100644
--- a/hw/isa/i82378.c
+++ b/hw/isa/i82378.c
@@ -34,7 +34,6 @@ struct I82378State {
 
     qemu_irq cpu_intr;
     qemu_irq *isa_irqs_in;
-    MemoryRegion io;
 };
 
 static const VMStateDescription vmstate_i82378 = {
diff --git a/hw/timer/i8254.c b/hw/timer/i8254.c
index c8388ea432..c235496fc9 100644
--- a/hw/timer/i8254.c
+++ b/hw/timer/i8254.c
@@ -350,11 +350,6 @@ static void pit_realizefn(DeviceState *dev, Error **errp)
     pc->parent_realize(dev, errp);
 }
 
-static Property pit_properties[] = {
-    DEFINE_PROP_UINT32("iobase", PITCommonState, iobase,  -1),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
 static void pit_class_initfn(ObjectClass *klass, void *data)
 {
     PITClass *pc = PIT_CLASS(klass);
@@ -366,7 +361,6 @@ static void pit_class_initfn(ObjectClass *klass, void *data)
     k->get_channel_info = pit_get_channel_info_common;
     k->post_load = pit_post_load;
     dc->reset = pit_reset;
-    device_class_set_props(dc, pit_properties);
 }
 
 static const TypeInfo pit_info = {
diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
index 050875b497..e4093e2904 100644
--- a/hw/timer/i8254_common.c
+++ b/hw/timer/i8254_common.c
@@ -240,6 +240,11 @@ static const VMStateDescription vmstate_pit_common = {
     }
 };
 
+static Property pit_common_properties[] = {
+    DEFINE_PROP_UINT32("iobase", PITCommonState, iobase,  -1),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
 static void pit_common_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -252,6 +257,7 @@ static void pit_common_class_init(ObjectClass *klass, void *data)
      * done by board code.
      */
     dc->user_creatable = false;
+    device_class_set_props(dc, pit_common_properties);
 }
 
 static const TypeInfo pit_common_type = {
diff --git a/include/hw/arm/omap.h b/include/hw/arm/omap.h
index c275d9b681..067e9419f7 100644
--- a/include/hw/arm/omap.h
+++ b/include/hw/arm/omap.h
@@ -724,7 +724,6 @@ struct omap_uart_s *omap2_uart_init(MemoryRegion *sysmem,
                 qemu_irq txdma, qemu_irq rxdma,
                 const char *label, Chardev *chr);
 void omap_uart_reset(struct omap_uart_s *s);
-void omap_uart_attach(struct omap_uart_s *s, Chardev *chr);
 
 struct omap_mpuio_s;
 qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s);