diff --git a/src/crypto/x509/root_darwin_test.go b/src/crypto/x509/root_darwin_test.go
index df7ca99308..e6b52e9f91 100644
--- a/src/crypto/x509/root_darwin_test.go
+++ b/src/crypto/x509/root_darwin_test.go
@@ -12,7 +12,9 @@ import (
 	"time"
 )
 
-func TestPlatformVerifier(t *testing.T) {
+func TestPlatformVerifierLegacy(t *testing.T) {
+	// TODO(#52108): This can be removed once the synthetic test root is deployed on
+	// builders.
 	if !testenv.HasExternalNetwork() {
 		t.Skip()
 	}
diff --git a/src/crypto/x509/root_windows_test.go b/src/crypto/x509/root_windows_test.go
index 54dbc161dc..1372c043b2 100644
--- a/src/crypto/x509/root_windows_test.go
+++ b/src/crypto/x509/root_windows_test.go
@@ -16,7 +16,9 @@ import (
 	"time"
 )
 
-func TestPlatformVerifier(t *testing.T) {
+func TestPlatformVerifierLegacy(t *testing.T) {
+	// TODO(#52108): This can be removed once the synthetic test root is deployed on
+	// builders.
 	if !testenv.HasExternalNetwork() {
 		t.Skip()
 	}