diff --git a/src/runtime/pprof/pprof.go b/src/runtime/pprof/pprof.go
index 91470670..53ebc88a 100644
--- a/src/runtime/pprof/pprof.go
+++ b/src/runtime/pprof/pprof.go
@@ -20,6 +20,10 @@ func StartCPUProfile(w io.Writer) error {
 func StopCPUProfile() {
 }
 
+func WriteHeapProfile(w io.Writer) error {
+	return nil
+}
+
 func Lookup(name string) *Profile {
 	return nil
 }