diff --git a/go/analysis/internal/analysisflags/help.go b/go/analysis/internal/analysisflags/help.go
index 66aa624..043b978 100644
--- a/go/analysis/internal/analysisflags/help.go
+++ b/go/analysis/internal/analysisflags/help.go
@@ -18,7 +18,7 @@
 genuine problems, but it can find errors not caught by the compilers.
 `
 
-// Help implements the help subcommand for a multichecker or vet-lite
+// Help implements the help subcommand for a multichecker or unitchecker
 // style command. The optional args specify the analyzers to describe.
 // Help calls log.Fatal if no such analyzer exists.
 func Help(progname string, analyzers []*analysis.Analyzer, args []string) {
diff --git a/go/analysis/cmd/vet-lite/main.go b/go/analysis/unitchecker/main.go
similarity index 64%
rename from go/analysis/cmd/vet-lite/main.go
rename to go/analysis/unitchecker/main.go
index 259d397..844e8f3 100644
--- a/go/analysis/cmd/vet-lite/main.go
+++ b/go/analysis/unitchecker/main.go
@@ -1,7 +1,12 @@
-// The vet-lite command is a driver for static checkers conforming to
-// the golang.org/x/tools/go/analysis API. It must be run by go vet:
+// +build ignore
+
+// This file provides an example command for static checkers
+// conforming to the golang.org/x/tools/go/analysis API.
+// It serves as a model for the behavior of the cmd/vet tool in $GOROOT.
+// Being based on the unitchecker driver, it must be run by go vet:
 //
-//   $ go vet -vettool=$(which vet-lite)
+//   $ go build -o unitchecker main.go
+//   $ go vet -vettool=unitchecker my/project/...
 //
 // For a checker also capable of running standalone, use multichecker.
 package main
@@ -32,21 +37,6 @@
 	"golang.org/x/tools/go/analysis/passes/unusedresult"
 )
 
-// Legacy vet had the concept of "experimental" checkers. There
-// was exactly one, shadow, and it had to be explicitly enabled
-// by the -shadow flag, which would of course disable all the
-// other tristate flags, requiring the -all flag to reenable them.
-// (By itself, -all did not enable all checkers.)
-// The -all flag is no longer needed, so it is a no-op.
-//
-// The shadow analyzer has been removed from the suite,
-// but can be run using these additional commands:
-//   $ go install golang.org/x/tools/go/analysis/passes/shadow/cmd/shadow
-//   $ go vet -vettool=$(which shadow)
-// Alternatively, one could build a multichecker containing all
-// the desired checks (vet's suite + shadow) and run it in a
-// single "go vet" command.
-
 func main() {
 	unitchecker.Main(
 		asmdecl.Analyzer,