diff --git a/src/runtime/testdata/testprog/memprof.go b/src/runtime/testdata/testprog/memprof.go
index 639883aa14..7b134bc078 100644
--- a/src/runtime/testdata/testprog/memprof.go
+++ b/src/runtime/testdata/testprog/memprof.go
@@ -14,7 +14,6 @@ import (
 )
 
 func init() {
-	runtime.MemProfileRate = 1
 	register("MemProf", MemProf)
 }