diff --git a/README.md b/README.md
index 1743c5a4b8..08355649f3 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ You can use the `go` tool to build and install the `prometheus`
 and `promtool` binaries into your `GOPATH`:
 
 ```bash
-GO111MODULE=on go install github.com/prometheus/prometheus/cmd/...
+go install github.com/prometheus/prometheus/cmd/...
 prometheus --config.file=your_config.yml
 ```