func syscall.Unsetenv

3 uses

	syscall (current package)
		env_unix.go#L55: func Unsetenv(key string) error {

	golang.org/x/sys/unix
		env_unix.go#L30: 	return syscall.Unsetenv(key)

	os
		env.go#L129: 	return syscall.Unsetenv(key)