diff --git a/src/pkg/net/rpc/server_test.go b/src/pkg/net/rpc/server_test.go
index 8cfa033ccc3..62c7b1e6004 100644
--- a/src/pkg/net/rpc/server_test.go
+++ b/src/pkg/net/rpc/server_test.go
@@ -387,12 +387,12 @@ func (WriteFailCodec) WriteRequest(*Request, interface{}) error {
 }
 
 func (WriteFailCodec) ReadResponseHeader(*Response) error {
-	time.Sleep(120 * time.Second)
+	select {}
 	panic("unreachable")
 }
 
 func (WriteFailCodec) ReadResponseBody(interface{}) error {
-	time.Sleep(120 * time.Second)
+	select {}
 	panic("unreachable")
 }