diff --git a/src/cmd/go/internal/test/test.go b/src/cmd/go/internal/test/test.go
index d6fcc2a474..3b6ad049ed 100644
--- a/src/cmd/go/internal/test/test.go
+++ b/src/cmd/go/internal/test/test.go
@@ -1448,15 +1448,7 @@ func computeTestInputsID(a *work.Action, testlog []byte) (cache.ActionID, error)
 }
 
 func inDir(path, dir string) bool {
-	if str.HasFilePathPrefix(path, dir) {
-		return true
-	}
-	xpath, err1 := filepath.EvalSymlinks(path)
-	xdir, err2 := filepath.EvalSymlinks(dir)
-	if err1 == nil && err2 == nil && str.HasFilePathPrefix(xpath, xdir) {
-		return true
-	}
-	return false
+	return str.HasFilePathPrefix(path, dir)
 }
 
 func hashGetenv(name string) cache.ActionID {