diff --git a/cpp/test/CMakeLists.txt b/cpp/test/CMakeLists.txt
index 7f45a6dd22..aeb39ee7ff 100644
--- a/cpp/test/CMakeLists.txt
+++ b/cpp/test/CMakeLists.txt
@@ -372,5 +372,13 @@ if(BUILD_TESTS)
   ConfigureTest(
     NAME UTILS_TEST PATH test/core/seive.cu test/util/bitonic_sort.cu test/util/cudart_utils.cpp
     test/util/device_atomics.cu test/util/integer_utils.cpp test/util/pow2_utils.cu
+    test/util/get_cache_idx_1.cu
+    test/util/get_cache_idx_2.cu
   )
+  set_target_properties(
+      UTILS_TEST
+      PROPERTIES
+      CUDA_SEPARABLE_COMPILATION ON
+  )
+
 endif()
diff --git a/cpp/test/util/get_cache_idx_1.cu b/cpp/test/util/get_cache_idx_1.cu
new file mode 100644
index 0000000000..14b014746b
--- /dev/null
+++ b/cpp/test/util/get_cache_idx_1.cu
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <raft/util/cache.cuh>
+
diff --git a/cpp/test/util/get_cache_idx_2.cu b/cpp/test/util/get_cache_idx_2.cu
new file mode 100644
index 0000000000..14b014746b
--- /dev/null
+++ b/cpp/test/util/get_cache_idx_2.cu
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023, NVIDIA CORPORATION.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <raft/util/cache.cuh>
+