diff --git a/identity/aidl/vts/VtsIdentityTestUtils.h b/identity/aidl/vts/VtsIdentityTestUtils.h
index 043ccd6..9e1f352 100644
--- a/identity/aidl/vts/VtsIdentityTestUtils.h
+++ b/identity/aidl/vts/VtsIdentityTestUtils.h
@@ -113,6 +113,8 @@
 
 void SetImageData(vector<uint8_t>& image);
 
+vector<RequestNamespace> buildRequestNamespaces(const vector<TestEntryData> entries);
+
 }  // namespace android::hardware::identity::test_utils
 
 #endif  // VTS_IDENTITY_TEST_UTILS_H