diff --git a/soc/wch/ch32v/qingke_v4c/Kconfig.defconfig b/soc/wch/ch32v/qingke_v4c/Kconfig.defconfig
index a782adfdfd2b..34e9ca775784 100644
--- a/soc/wch/ch32v/qingke_v4c/Kconfig.defconfig
+++ b/soc/wch/ch32v/qingke_v4c/Kconfig.defconfig
@@ -6,15 +6,6 @@ if SOC_SERIES_QINGKE_V4C
 config SYS_CLOCK_HW_CYCLES_PER_SEC
 	default $(dt_node_int_prop_int,/cpus/cpu@0,clock-frequency)
 
-config MAIN_STACK_SIZE
-	default 512
-
-config IDLE_STACK_SIZE
-	default 256
-
-config ISR_STACK_SIZE
-	default 256
-
 config CLOCK_CONTROL
 	default y