diff --git a/src/cmd/compile/internal/gc/subr.go b/src/cmd/compile/internal/gc/subr.go
index 55b96e5c9b..04dd2f7c2d 100644
--- a/src/cmd/compile/internal/gc/subr.go
+++ b/src/cmd/compile/internal/gc/subr.go
@@ -416,12 +416,6 @@ func nodintconst(v int64) *Node {
 	return nodlit(Val{u})
 }
 
-func nodfltconst(v *Mpflt) *Node {
-	u := newMpflt()
-	u.Set(v)
-	return nodlit(Val{u})
-}
-
 func nodnil() *Node {
 	return nodlit(Val{new(NilVal)})
 }