diff --git a/hw/rtc/allwinner-rtc.c b/hw/rtc/allwinner-rtc.c
index 7e493f0e79..2ac50b30cb 100644
--- a/hw/rtc/allwinner-rtc.c
+++ b/hw/rtc/allwinner-rtc.c
@@ -305,7 +305,7 @@ static const VMStateDescription allwinner_rtc_vmstate = {
     .name = "allwinner-rtc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, AwRtcState, AW_RTC_REGS_NUM),
         VMSTATE_END_OF_LIST()
     }
diff --git a/hw/rtc/aspeed_rtc.c b/hw/rtc/aspeed_rtc.c
index fa861e2d49..589d9a5a7a 100644
--- a/hw/rtc/aspeed_rtc.c
+++ b/hw/rtc/aspeed_rtc.c
@@ -137,7 +137,7 @@ static const MemoryRegionOps aspeed_rtc_ops = {
 static const VMStateDescription vmstate_aspeed_rtc = {
     .name = TYPE_ASPEED_RTC,
     .version_id = 2,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(reg, AspeedRtcState, 0x18),
         VMSTATE_INT64(offset, AspeedRtcState),
         VMSTATE_END_OF_LIST()
diff --git a/hw/rtc/ds1338.c b/hw/rtc/ds1338.c
index 36d8121ddd..e479661c39 100644
--- a/hw/rtc/ds1338.c
+++ b/hw/rtc/ds1338.c
@@ -46,7 +46,7 @@ static const VMStateDescription vmstate_ds1338 = {
     .name = "ds1338",
     .version_id = 2,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_I2C_SLAVE(parent_obj, DS1338State),
         VMSTATE_INT64(offset, DS1338State),
         VMSTATE_UINT8_V(wday_offset, DS1338State, 2),
diff --git a/hw/rtc/exynos4210_rtc.c b/hw/rtc/exynos4210_rtc.c
index cc7101c530..319371f97d 100644
--- a/hw/rtc/exynos4210_rtc.c
+++ b/hw/rtc/exynos4210_rtc.c
@@ -122,7 +122,7 @@ static const VMStateDescription vmstate_exynos4210_rtc_state = {
     .name = "exynos4210.rtc",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(reg_intp, Exynos4210RTCState),
         VMSTATE_UINT32(reg_rtccon, Exynos4210RTCState),
         VMSTATE_UINT32(reg_ticcnt, Exynos4210RTCState),
diff --git a/hw/rtc/goldfish_rtc.c b/hw/rtc/goldfish_rtc.c
index 19a56402a0..01acf30b27 100644
--- a/hw/rtc/goldfish_rtc.c
+++ b/hw/rtc/goldfish_rtc.c
@@ -242,7 +242,7 @@ static const VMStateDescription goldfish_rtc_vmstate = {
     .version_id = 2,
     .pre_save = goldfish_rtc_pre_save,
     .post_load = goldfish_rtc_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT64(tick_offset_vmstate, GoldfishRTCState),
         VMSTATE_UINT64(alarm_next, GoldfishRTCState),
         VMSTATE_UINT32(alarm_running, GoldfishRTCState),
diff --git a/hw/rtc/ls7a_rtc.c b/hw/rtc/ls7a_rtc.c
index 1f9e38a735..ac28c1165b 100644
--- a/hw/rtc/ls7a_rtc.c
+++ b/hw/rtc/ls7a_rtc.c
@@ -454,7 +454,7 @@ static const VMStateDescription vmstate_ls7a_rtc = {
     .minimum_version_id = 1,
     .pre_save = ls7a_rtc_pre_save,
     .post_load = ls7a_rtc_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_INT64(offset_toy, LS7ARtcState),
         VMSTATE_INT64(offset_rtc, LS7ARtcState),
         VMSTATE_UINT32_ARRAY(toymatch, LS7ARtcState, TIMER_NUMS),
diff --git a/hw/rtc/m48t59.c b/hw/rtc/m48t59.c
index 2e2c849985..aa44c4b20c 100644
--- a/hw/rtc/m48t59.c
+++ b/hw/rtc/m48t59.c
@@ -526,7 +526,7 @@ static const VMStateDescription vmstate_m48t59 = {
     .name = "m48t59",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(lock, M48t59State),
         VMSTATE_UINT16(addr, M48t59State),
         VMSTATE_VBUFFER_UINT32(buffer, M48t59State, 0, NULL, size),
diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
index 2d391a8396..f4c1869232 100644
--- a/hw/rtc/mc146818rtc.c
+++ b/hw/rtc/mc146818rtc.c
@@ -817,7 +817,7 @@ static const VMStateDescription vmstate_rtc_irq_reinject_on_ack_count = {
     .version_id = 1,
     .minimum_version_id = 1,
     .needed = rtc_irq_reinject_on_ack_count_needed,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT16(irq_reinject_on_ack_count, MC146818RtcState),
         VMSTATE_END_OF_LIST()
     }
@@ -829,7 +829,7 @@ static const VMStateDescription vmstate_rtc = {
     .minimum_version_id = 1,
     .pre_save = rtc_pre_save,
     .post_load = rtc_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_BUFFER(cmos_data, MC146818RtcState),
         VMSTATE_UINT8(cmos_index, MC146818RtcState),
         VMSTATE_UNUSED(7*4),
@@ -845,7 +845,7 @@ static const VMStateDescription vmstate_rtc = {
         VMSTATE_UINT64_V(next_alarm_time, MC146818RtcState, 3),
         VMSTATE_END_OF_LIST()
     },
-    .subsections = (const VMStateDescription*[]) {
+    .subsections = (const VMStateDescription * const []) {
         &vmstate_rtc_irq_reinject_on_ack_count,
         NULL
     }
diff --git a/hw/rtc/pl031.c b/hw/rtc/pl031.c
index b01d0e75d1..837b0bdf9b 100644
--- a/hw/rtc/pl031.c
+++ b/hw/rtc/pl031.c
@@ -290,7 +290,7 @@ static const VMStateDescription vmstate_pl031_tick_offset = {
     .minimum_version_id = 1,
     .needed = pl031_tick_offset_needed,
     .post_load = pl031_tick_offset_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(tick_offset, PL031State),
         VMSTATE_END_OF_LIST()
     }
@@ -303,7 +303,7 @@ static const VMStateDescription vmstate_pl031 = {
     .pre_save = pl031_pre_save,
     .pre_load = pl031_pre_load,
     .post_load = pl031_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(tick_offset_vmstate, PL031State),
         VMSTATE_UINT32(mr, PL031State),
         VMSTATE_UINT32(lr, PL031State),
@@ -312,7 +312,7 @@ static const VMStateDescription vmstate_pl031 = {
         VMSTATE_UINT32(is, PL031State),
         VMSTATE_END_OF_LIST()
     },
-    .subsections = (const VMStateDescription*[]) {
+    .subsections = (const VMStateDescription * const []) {
         &vmstate_pl031_tick_offset,
         NULL
     }
diff --git a/hw/rtc/twl92230.c b/hw/rtc/twl92230.c
index 64c61c3dae..efd19a76e6 100644
--- a/hw/rtc/twl92230.c
+++ b/hw/rtc/twl92230.c
@@ -768,7 +768,7 @@ static const VMStateDescription vmstate_menelaus_tm = {
     .name = "menelaus_tm",
     .version_id = 0,
     .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT16_HACK(tm_sec, struct tm),
         VMSTATE_UINT16_HACK(tm_min, struct tm),
         VMSTATE_UINT16_HACK(tm_hour, struct tm),
@@ -810,7 +810,7 @@ static const VMStateDescription vmstate_menelaus = {
     .minimum_version_id = 0,
     .pre_save = menelaus_pre_save,
     .post_load = menelaus_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_INT32(firstbyte, MenelausState),
         VMSTATE_UINT8(reg, MenelausState),
         VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
diff --git a/hw/rtc/xlnx-zynqmp-rtc.c b/hw/rtc/xlnx-zynqmp-rtc.c
index 3e7d61a41c..613c6407a6 100644
--- a/hw/rtc/xlnx-zynqmp-rtc.c
+++ b/hw/rtc/xlnx-zynqmp-rtc.c
@@ -244,7 +244,7 @@ static const VMStateDescription vmstate_rtc = {
     .minimum_version_id = 1,
     .pre_save = rtc_pre_save,
     .post_load = rtc_post_load,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32_ARRAY(regs, XlnxZynqMPRTC, XLNX_ZYNQMP_RTC_R_MAX),
         VMSTATE_UINT32(tick_offset, XlnxZynqMPRTC),
         VMSTATE_END_OF_LIST(),