$ go version
go version go1.13.4 darwin/amd64

$ rm -rf /usr/local/go

$ brew uninstall go
Error: Refusing to uninstall /usr/local/Cellar/go/1.13.4
because it is required by dep, which is currently installed.
You can override this and force removal with:
  brew uninstall --ignore-dependencies go

$ brew uninstall --ignore-dependencies go
Uninstalling /usr/local/Cellar/go/1.13.4... (9,271 files, 414MB)

$ go version
-bash: /usr/local/bin/go: No such file or directory

官网下载安装包安装即可
Downloads - The Go Programming Language

$ go version
go version go1.14.2 darwin/amd64

goland goroot is not defined
Goland GOROOT 出现 “The selected directory is not a valid home for Go Sdk“ 问题解决_wangfy_的博客-CSDN博客