diff --git a/src/path/filepath/symlink_plan9.go b/src/path/filepath/symlink_plan9.go
new file mode 100644
index 00000000000000..820d150d976e19
--- /dev/null
+++ b/src/path/filepath/symlink_plan9.go
@@ -0,0 +1,27 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package filepath
+
+import (
+	"os"
+	"strings"
+	"syscall"
+)
+
+func evalSymlinks(path string) (string, error) {
+	// Plan 9 doesn't have symbolic links, so no need for substitutions.
+	if len(path) > 0 {
+		// Check validity of path
+		_, err := os.Lstat(path)
+		if err != nil {
+			// Return the same error value as on other operating systems
+			if strings.HasSuffix(err.Error(), "not a directory") {
+				err = syscall.ENOTDIR
+			}
+			return "", err
+		}
+	}
+	return Clean(path), nil
+}
diff --git a/src/path/filepath/symlink_unix.go b/src/path/filepath/symlink_unix.go
index 7bfe17e2fd1746..f8980d5ad3886e 100644
--- a/src/path/filepath/symlink_unix.go
+++ b/src/path/filepath/symlink_unix.go
@@ -1,4 +1,4 @@
-//go:build !windows
+//go:build !windows && !plan9
 
 package filepath