diff --git a/go.mod b/go.mod
index 3af62ce..c5fc6fa 100644
--- a/go.mod
+++ b/go.mod
@@ -16,8 +16,7 @@ require (
 	github.com/smartystreets/goconvey v0.0.0-20190710185942-9d28bd7c0945
 	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
 	golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 // indirect
-	golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa // indirect
-	golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b
+	golang.org/x/sys v0.1.0 // indirect
 	google.golang.org/appengine v1.6.1 // indirect
 	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/jcmturner/goidentity.v3 v3.0.0 // indirect