diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 1734f9a4c2fd..3dc4c0d31550 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -896,10 +896,8 @@ static void __init riscv_fill_hwcap_from_isa_string(unsigned long *isa2hwcap)
 		 * CPU cores with the ratified spec will contain non-zero
 		 * marchid.
 		 */
-		if (acpi_disabled && boot_vendorid == THEAD_VENDOR_ID && boot_archid == 0x0) {
-			this_hwcap &= ~isa2hwcap[RISCV_ISA_EXT_v];
+		if (acpi_disabled && boot_vendorid == THEAD_VENDOR_ID && boot_archid == 0x0)
 			clear_bit(RISCV_ISA_EXT_v, source_isa);
-		}
 
 		riscv_resolve_isa(source_isa, isainfo->isa, &this_hwcap, isa2hwcap);