diff --git a/src/hotspot/cpu/riscv/riscv_v.ad b/src/hotspot/cpu/riscv/riscv_v.ad
index 58c78874797..34b7268b137 100644
--- a/src/hotspot/cpu/riscv/riscv_v.ad
+++ b/src/hotspot/cpu/riscv/riscv_v.ad
@@ -251,7 +251,6 @@ instruct vmaskcmp_fp(vRegMask dst, vReg src1, vReg src2, immI cond) %{
   predicate(Matcher::vector_element_basic_type(n) == T_FLOAT ||
             Matcher::vector_element_basic_type(n) == T_DOUBLE);
   match(Set dst (VectorMaskCmp (Binary src1 src2) cond));
-  effect(TEMP_DEF dst);
   format %{ "vmaskcmp_fp $dst, $src1, $src2, $cond" %}
   ins_encode %{
     BasicType bt = Matcher::vector_element_basic_type(this);