diff --git a/cpp/test/neighbors/ann_cagra_vpq/test_float_int64_t.cu b/cpp/test/neighbors/ann_cagra_vpq/test_float_int64_t.cu
index 7f89df3af1..f60edb5ed6 100644
--- a/cpp/test/neighbors/ann_cagra_vpq/test_float_int64_t.cu
+++ b/cpp/test/neighbors/ann_cagra_vpq/test_float_int64_t.cu
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#undef RAFT_EXPLICIT_INSTANTIATE_ONLY
 #include "../ann_cagra_vpq.cuh"
 
 #include <gtest/gtest.h>