diff --git a/src/cmd/go/internal/get/vcs_test.go b/src/cmd/go/internal/get/vcs_test.go
index 91800baa83..195bc231eb 100644
--- a/src/cmd/go/internal/get/vcs_test.go
+++ b/src/cmd/go/internal/get/vcs_test.go
@@ -32,13 +32,10 @@ func TestRepoRootForImportPath(t *testing.T) {
 				Repo: "https://github.com/golang/groupcache",
 			},
 		},
-		// Unicode letters in directories (issue 18660).
+		// Unicode letters in directories are not valid.
 		{
 			"github.com/user/unicode/испытание",
-			&RepoRoot{
-				vcs:  vcsGit,
-				Repo: "https://github.com/user/unicode",
-			},
+			nil,
 		},
 		// IBM DevOps Services tests
 		{
diff --git a/src/cmd/go/testdata/script/get_unicode.txt b/src/cmd/go/testdata/script/get_unicode.txt
deleted file mode 100644
index d3b82bdf25..0000000000
--- a/src/cmd/go/testdata/script/get_unicode.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-env GO111MODULE=off
-
-[!exec:git] skip
-[short] skip
-
-# Construct a repository that imports a non-ASCII path.
-cd $WORK/_origin/example.com/unicode
-exec git init
-exec git config user.name 'Nameless Gopher'
-exec git config user.email 'nobody@golang.org'
-exec git add unicode.go
-exec git commit -m 'add unicode.go'
-
-# Clone the repo into GOPATH so that 'go get -u' can find it.
-mkdir $GOPATH/src/example.com/unicode
-cd $GOPATH/src/example.com/unicode
-exec git clone $WORK/_origin/example.com/unicode .
-
-# Construct the imported repository.
-cd $WORK/_origin/example.com/испытание
-exec git init
-exec git config user.name 'Nameless Gopher'
-exec git config user.email 'nobody@golang.org'
-exec git add испытание.go
-exec git commit -m 'add испытание.go'
-
-# Clone that repo into GOPATH too.
-mkdir $GOPATH/src/example.com/испытание
-cd $GOPATH/src/example.com/испытание
-exec git clone $WORK/_origin/example.com/испытание .
-
-# Upgrading the importer should pull from the non-ASCII repo.
-cd $GOPATH
-go get -u example.com/unicode
-
--- $WORK/_origin/example.com/unicode/unicode.go --
-package unicode
-import _ "example.com/испытание"
--- $WORK/_origin/example.com/испытание/испытание.go --
-package испытание