diff --git a/go.mod b/go.mod
index a8ddf40..27ff177 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,3 @@
 module github.com/mattn/go-isatty
 
 require golang.org/x/sys v0.0.0-20191008105621-543471e840be
-
-go 1.14