diff --git a/build/generate.sh b/build/generate.sh
index 3252ba4..78426cc 100755
--- a/build/generate.sh
+++ b/build/generate.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 PKG=${PWD}/pkg/
+GOROOT=`go env GOROOT`
 cp -r ${GOROOT}/src/cmd/go/internal/base ${PKG}
 cp -r ${GOROOT}/src/cmd/go/internal/cache ${PKG}
 cp -r ${GOROOT}/src/cmd/go/internal/cfg ${PKG}
diff --git a/circle-test.sh b/circle-test.sh
index e791742..9787cd9 100644
--- a/circle-test.sh
+++ b/circle-test.sh
@@ -3,7 +3,6 @@
 go env
 
 export GO111MODULE=on
-export GOROOT=/usr/local/go
 
 go generate
 go mod tidy