diff --git a/hw/timer/a9gtimer.c b/hw/timer/a9gtimer.c
index 8091ec18c7..c0a91bab0c 100644
--- a/hw/timer/a9gtimer.c
+++ b/hw/timer/a9gtimer.c
@@ -373,7 +373,7 @@ static const VMStateDescription vmstate_a9_gtimer = {
     }
 };
 
-static Property a9_gtimer_properties[] = {
+static const Property a9_gtimer_properties[] = {
     DEFINE_PROP_UINT32("num-cpu", A9GTimerState, num_cpu, 0),
     DEFINE_PROP_END_OF_LIST()
 };
diff --git a/hw/timer/allwinner-a10-pit.c b/hw/timer/allwinner-a10-pit.c
index d488e9782b..2904ccfb42 100644
--- a/hw/timer/allwinner-a10-pit.c
+++ b/hw/timer/allwinner-a10-pit.c
@@ -188,7 +188,7 @@ static const MemoryRegionOps a10_pit_ops = {
     .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static Property a10_pit_properties[] = {
+static const Property a10_pit_properties[] = {
     DEFINE_PROP_UINT32("clk0-freq", AwA10PITState, clk_freq[0], 0),
     DEFINE_PROP_UINT32("clk1-freq", AwA10PITState, clk_freq[1], 0),
     DEFINE_PROP_UINT32("clk2-freq", AwA10PITState, clk_freq[2], 0),
diff --git a/hw/timer/arm_mptimer.c b/hw/timer/arm_mptimer.c
index defa30b46d..6244a7a84f 100644
--- a/hw/timer/arm_mptimer.c
+++ b/hw/timer/arm_mptimer.c
@@ -300,7 +300,7 @@ static const VMStateDescription vmstate_arm_mptimer = {
     }
 };
 
-static Property arm_mptimer_properties[] = {
+static const Property arm_mptimer_properties[] = {
     DEFINE_PROP_UINT32("num-cpu", ARMMPTimerState, num_cpu, 0),
     DEFINE_PROP_END_OF_LIST()
 };
diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
index 0940e03f1d..dfa034296c 100644
--- a/hw/timer/arm_timer.c
+++ b/hw/timer/arm_timer.c
@@ -387,7 +387,7 @@ static const TypeInfo icp_pit_info = {
     .instance_init = icp_pit_init,
 };
 
-static Property sp804_properties[] = {
+static const Property sp804_properties[] = {
     DEFINE_PROP_UINT32("freq0", SP804State, freq0, 1000000),
     DEFINE_PROP_UINT32("freq1", SP804State, freq1, 1000000),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/timer/aspeed_timer.c b/hw/timer/aspeed_timer.c
index 149f7cc5a6..4c16b5016e 100644
--- a/hw/timer/aspeed_timer.c
+++ b/hw/timer/aspeed_timer.c
@@ -674,7 +674,7 @@ static const VMStateDescription vmstate_aspeed_timer_state = {
     }
 };
 
-static Property aspeed_timer_properties[] = {
+static const Property aspeed_timer_properties[] = {
     DEFINE_PROP_LINK("scu", AspeedTimerCtrlState, scu, TYPE_ASPEED_SCU,
                      AspeedSCUState *),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/timer/avr_timer16.c b/hw/timer/avr_timer16.c
index 421920054f..2e3ce83c43 100644
--- a/hw/timer/avr_timer16.c
+++ b/hw/timer/avr_timer16.c
@@ -542,7 +542,7 @@ static const MemoryRegionOps avr_timer16_ifr_ops = {
     .impl = {.max_access_size = 1}
 };
 
-static Property avr_timer16_properties[] = {
+static const Property avr_timer16_properties[] = {
     DEFINE_PROP_UINT8("id", struct AVRTimer16State, id, 0),
     DEFINE_PROP_UINT64("cpu-frequency-hz", struct AVRTimer16State,
                        cpu_freq_hz, 0),
diff --git a/hw/timer/grlib_gptimer.c b/hw/timer/grlib_gptimer.c
index 6ef08f25fd..a7428ed938 100644
--- a/hw/timer/grlib_gptimer.c
+++ b/hw/timer/grlib_gptimer.c
@@ -403,7 +403,7 @@ static void grlib_gptimer_realize(DeviceState *dev, Error **errp)
     sysbus_init_mmio(sbd, &unit->iomem);
 }
 
-static Property grlib_gptimer_properties[] = {
+static const Property grlib_gptimer_properties[] = {
     DEFINE_PROP_UINT32("frequency", GPTimerUnit, freq_hz,   40000000),
     DEFINE_PROP_UINT32("irq-line",  GPTimerUnit, irq_line,  8),
     DEFINE_PROP_UINT32("nr-timers", GPTimerUnit, nr_timers, 2),
diff --git a/hw/timer/hpet.c b/hw/timer/hpet.c
index 5399f1b2a3..46886c379e 100644
--- a/hw/timer/hpet.c
+++ b/hw/timer/hpet.c
@@ -745,7 +745,7 @@ static void hpet_realize(DeviceState *dev, Error **errp)
     qdev_init_gpio_out(dev, &s->pit_enabled, 1);
 }
 
-static Property hpet_device_properties[] = {
+static const Property hpet_device_properties[] = {
     DEFINE_PROP_UINT8("timers", HPETState, num_timers, HPET_MIN_TIMERS),
     DEFINE_PROP_BIT("msi", HPETState, flags, HPET_MSI_SUPPORT, false),
     DEFINE_PROP_UINT32(HPET_INTCAP, HPETState, intcap, 0),
diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
index 28fdabc321..953c1e11eb 100644
--- a/hw/timer/i8254_common.c
+++ b/hw/timer/i8254_common.c
@@ -238,7 +238,7 @@ static const VMStateDescription vmstate_pit_common = {
     }
 };
 
-static Property pit_common_properties[] = {
+static const Property pit_common_properties[] = {
     DEFINE_PROP_UINT32("iobase", PITCommonState, iobase,  -1),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/ibex_timer.c b/hw/timer/ibex_timer.c
index 2bdcff532d..fba4466a89 100644
--- a/hw/timer/ibex_timer.c
+++ b/hw/timer/ibex_timer.c
@@ -263,7 +263,7 @@ static const VMStateDescription vmstate_ibex_timer = {
     }
 };
 
-static Property ibex_timer_properties[] = {
+static const Property ibex_timer_properties[] = {
     DEFINE_PROP_UINT32("timebase-freq", IbexTimerState, timebase_freq, 10000),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/mss-timer.c b/hw/timer/mss-timer.c
index b66aed56ea..e5c5cd6a84 100644
--- a/hw/timer/mss-timer.c
+++ b/hw/timer/mss-timer.c
@@ -279,7 +279,7 @@ static const VMStateDescription vmstate_mss_timer = {
     }
 };
 
-static Property mss_timer_properties[] = {
+static const Property mss_timer_properties[] = {
     /* Libero GUI shows 100Mhz as default for clocks */
     DEFINE_PROP_UINT32("clock-frequency", MSSTimerState, freq_hz,
                       100 * 1000000),
diff --git a/hw/timer/nrf51_timer.c b/hw/timer/nrf51_timer.c
index 35b0e62d5b..48fccec1bf 100644
--- a/hw/timer/nrf51_timer.c
+++ b/hw/timer/nrf51_timer.c
@@ -379,7 +379,7 @@ static const VMStateDescription vmstate_nrf51_timer = {
     }
 };
 
-static Property nrf51_timer_properties[] = {
+static const Property nrf51_timer_properties[] = {
     DEFINE_PROP_UINT8("id", NRF51TimerState, id, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/pxa2xx_timer.c b/hw/timer/pxa2xx_timer.c
index 3234bbb1f4..345145bfa8 100644
--- a/hw/timer/pxa2xx_timer.c
+++ b/hw/timer/pxa2xx_timer.c
@@ -549,7 +549,7 @@ static const VMStateDescription vmstate_pxa2xx_timer_regs = {
     }
 };
 
-static Property pxa25x_timer_dev_properties[] = {
+static const Property pxa25x_timer_dev_properties[] = {
     DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA25X_FREQ),
     DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags,
                     PXA2XX_TIMER_HAVE_TM4, false),
diff --git a/hw/timer/renesas_cmt.c b/hw/timer/renesas_cmt.c
index cd59b08c87..6d451fa86b 100644
--- a/hw/timer/renesas_cmt.c
+++ b/hw/timer/renesas_cmt.c
@@ -253,7 +253,7 @@ static const VMStateDescription vmstate_rcmt = {
     }
 };
 
-static Property rcmt_properties[] = {
+static const Property rcmt_properties[] = {
     DEFINE_PROP_UINT64("input-freq", RCMTState, input_freq, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/renesas_tmr.c b/hw/timer/renesas_tmr.c
index a93e075fcd..890f803cf8 100644
--- a/hw/timer/renesas_tmr.c
+++ b/hw/timer/renesas_tmr.c
@@ -463,7 +463,7 @@ static const VMStateDescription vmstate_rtmr = {
     }
 };
 
-static Property rtmr_properties[] = {
+static const Property rtmr_properties[] = {
     DEFINE_PROP_UINT64("input-freq", RTMRState, input_freq, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/sifive_pwm.c b/hw/timer/sifive_pwm.c
index 4602fc1a61..042c89c67a 100644
--- a/hw/timer/sifive_pwm.c
+++ b/hw/timer/sifive_pwm.c
@@ -404,7 +404,7 @@ static const VMStateDescription vmstate_sifive_pwm = {
     }
 };
 
-static Property sifive_pwm_properties[] = {
+static const Property sifive_pwm_properties[] = {
     /* 0.5Ghz per spec after FSBL */
     DEFINE_PROP_UINT64("clock-frequency", struct SiFivePwmState,
                        freq_hz, 500000000ULL),
diff --git a/hw/timer/slavio_timer.c b/hw/timer/slavio_timer.c
index 12cb3bac97..32991f4436 100644
--- a/hw/timer/slavio_timer.c
+++ b/hw/timer/slavio_timer.c
@@ -420,7 +420,7 @@ static void slavio_timer_init(Object *obj)
     }
 }
 
-static Property slavio_timer_properties[] = {
+static const Property slavio_timer_properties[] = {
     DEFINE_PROP_UINT32("num_cpus",  SLAVIO_TIMERState, num_cpus,  0),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/sse-timer.c b/hw/timer/sse-timer.c
index 115b0138c8..6b7a67941c 100644
--- a/hw/timer/sse-timer.c
+++ b/hw/timer/sse-timer.c
@@ -440,7 +440,7 @@ static const VMStateDescription sse_timer_vmstate = {
     }
 };
 
-static Property sse_timer_properties[] = {
+static const Property sse_timer_properties[] = {
     DEFINE_PROP_LINK("counter", SSETimer, counter, TYPE_SSE_COUNTER, SSECounter *),
     DEFINE_PROP_END_OF_LIST(),
 };
diff --git a/hw/timer/stm32f2xx_timer.c b/hw/timer/stm32f2xx_timer.c
index 16b47887a5..d9d745cd76 100644
--- a/hw/timer/stm32f2xx_timer.c
+++ b/hw/timer/stm32f2xx_timer.c
@@ -298,7 +298,7 @@ static const VMStateDescription vmstate_stm32f2xx_timer = {
     }
 };
 
-static Property stm32f2xx_timer_properties[] = {
+static const Property stm32f2xx_timer_properties[] = {
     DEFINE_PROP_UINT64("clock-frequency", struct STM32F2XXTimerState,
                        freq_hz, 1000000000),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/hw/timer/xilinx_timer.c b/hw/timer/xilinx_timer.c
index 32a9df69e0..7fe3e83baa 100644
--- a/hw/timer/xilinx_timer.c
+++ b/hw/timer/xilinx_timer.c
@@ -242,7 +242,7 @@ static void xilinx_timer_init(Object *obj)
     sysbus_init_irq(SYS_BUS_DEVICE(obj), &t->irq);
 }
 
-static Property xilinx_timer_properties[] = {
+static const Property xilinx_timer_properties[] = {
     DEFINE_PROP_UINT32("clock-frequency", XpsTimerState, freq_hz, 62 * 1000000),
     DEFINE_PROP_UINT8("one-timer-only", XpsTimerState, one_timer_only, 0),
     DEFINE_PROP_END_OF_LIST(),
