diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knsh32/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knsh32/defconfig
index 395f941060e73..b18154e5b8064 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knsh32/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knsh32/defconfig
@@ -35,7 +35,6 @@ CONFIG_ARCH_PGPOOL_PBASE=0x80a00000
 CONFIG_ARCH_PGPOOL_SIZE=4194304
 CONFIG_ARCH_PGPOOL_VBASE=0x80a00000
 CONFIG_ARCH_RISCV=y
-CONFIG_ARCH_RV_EXT_SSTC=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARCH_TEXT_NPAGES=128
 CONFIG_ARCH_TEXT_VBASE=0xC0000000
diff --git a/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
index 4e075413daf13..5b4f6aca9a732 100644
--- a/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
+++ b/boards/risc-v/qemu-rv/rv-virt/configs/knsh64/defconfig
@@ -35,7 +35,6 @@ CONFIG_ARCH_PGPOOL_PBASE=0x80600000
 CONFIG_ARCH_PGPOOL_SIZE=4194304
 CONFIG_ARCH_PGPOOL_VBASE=0x80600000
 CONFIG_ARCH_RISCV=y
-CONFIG_ARCH_RV_EXT_SSTC=y
 CONFIG_ARCH_STACKDUMP=y
 CONFIG_ARCH_TEXT_NPAGES=128
 CONFIG_ARCH_TEXT_VBASE=0xC0000000