diff --git a/src/cmd/compile/internal/ssa/prove.go b/src/cmd/compile/internal/ssa/prove.go
index a2b58a98df4..1daf8d85c4c 100644
--- a/src/cmd/compile/internal/ssa/prove.go
+++ b/src/cmd/compile/internal/ssa/prove.go
@@ -1788,7 +1788,6 @@ func (ft *factsTable) flowLimit(v *Value) bool {
 		}
 		return ft.newLimit(v, l)
 	}
-	// TODO: mul/lsh, rsh, div/mod, and/or/xor
 	return false
 }