diff --git a/test/codegen/floats.go b/test/codegen/floats.go
index 2a5cf39957..d04202d394 100644
--- a/test/codegen/floats.go
+++ b/test/codegen/floats.go
@@ -149,20 +149,14 @@ func CmpWithAdd(a float64, b float64) bool {
 //    Non-floats    //
 // ---------------- //
 
-// We should make sure that the compiler doesn't generate floating point
-// instructions for non-float operations on Plan 9, because floating point
-// operations are not allowed in the note handler.
-
 func ArrayZero() [16]byte {
 	// amd64:"MOVUPS"
-	// plan9/amd64/:-"MOVUPS"
 	var a [16]byte
 	return a
 }
 
 func ArrayCopy(a [16]byte) (b [16]byte) {
 	// amd64:"MOVUPS"
-	// plan9/amd64/:-"MOVUPS"
 	b = a
 	return
 }