diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_fast.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_fast.cu
index 21f0b3f976..30e7ae82ed 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_fast.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_fast.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, float>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, float, float>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, float>::configured<true, true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, float>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, half, float>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, float>::configured<true, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_basediff.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_basediff.cu
index 78c7eebae0..51f2bc37ed 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_basediff.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_basediff.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, float>::configured<false, true>;
-template struct ivfpq_compute_similarity<int64_t, float, float>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, float>::configured<false, true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, float>::configured<false, true>;
-template struct ivfpq_compute_similarity<int64_t, half, float>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, float>::configured<false, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_smem_lut.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_smem_lut.cu
index 9cb8dddf13..578f22f7ef 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_smem_lut.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_float_no_smem_lut.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, float>::configured<true, false>;
-template struct ivfpq_compute_similarity<int64_t, float, float>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, float, float>::configured<true, false>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, float>::configured<true, false>;
-template struct ivfpq_compute_similarity<int64_t, half, float>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, half, float>::configured<true, false>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_fast.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_fast.cu
index 079aa796c6..8e9a3c4fc7 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_fast.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_fast.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, true>>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, true>>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, true>>::configured<true, true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, true>>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, true>>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, true>>::configured<true, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_basediff.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_basediff.cu
index ed69e70116..bcddbcc70a 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_basediff.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_basediff.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,12 +22,7 @@ namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, true>>::configured<false,
                                                                                         true>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, true>>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, true>>::configured<false,
-                                                                                        true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, true>>::configured<false, true>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, true>>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, true>>::configured<false, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_smem_lut.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_smem_lut.cu
index 4e9d441910..0950e8ddd9 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_smem_lut.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8s_no_smem_lut.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,12 +22,7 @@ namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, true>>::configured<true,
                                                                                         false>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, true>>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, true>>::configured<true,
-                                                                                        false>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, true>>::configured<true, false>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, true>>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, true>>::configured<true, false>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_fast.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_fast.cu
index 4ae2a073ce..5df81feb3d 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_fast.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_fast.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,12 +22,7 @@ namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, false>>::configured<true,
                                                                                          true>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, false>>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, false>>::configured<true,
-                                                                                         true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, false>>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, false>>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, false>>::configured<true, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_basediff.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_basediff.cu
index 8277e41b5f..82b521b84c 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_basediff.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_basediff.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,15 +22,8 @@ namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, false>>::configured<false,
                                                                                          true>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, false>>::configured<false,
-                                                                                        true>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, false>>::configured<false,
-                                                                                         true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, false>>::configured<false,
                                                                                         true>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, false>>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, false>>::configured<false,
-                                                                                        true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_smem_lut.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_smem_lut.cu
index f865ef167f..0b29eb5c1d 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_smem_lut.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_fp8u_no_smem_lut.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,15 +22,8 @@ namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, fp_8bit<5, false>>::configured<true,
                                                                                          false>;
-template struct ivfpq_compute_similarity<int64_t, float, fp_8bit<5, false>>::configured<true,
-                                                                                        false>;
-template struct ivfpq_compute_similarity<uint32_t, float, fp_8bit<5, false>>::configured<true,
-                                                                                         false>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, fp_8bit<5, false>>::configured<true,
                                                                                         false>;
-template struct ivfpq_compute_similarity<int64_t, half, fp_8bit<5, false>>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, half, fp_8bit<5, false>>::configured<true,
-                                                                                        false>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_fast.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_fast.cu
index 0627d7a2b8..dd29103fe7 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_fast.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_fast.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, half>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, float, half>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, half>::configured<true, true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, half>::configured<true, true>;
-template struct ivfpq_compute_similarity<int64_t, half, half>::configured<true, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, half>::configured<true, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_basediff.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_basediff.cu
index af761191ee..02432f216b 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_basediff.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_basediff.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, half>::configured<false, true>;
-template struct ivfpq_compute_similarity<int64_t, float, half>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, float, half>::configured<false, true>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, half>::configured<false, true>;
-template struct ivfpq_compute_similarity<int64_t, half, half>::configured<false, true>;
-template struct ivfpq_compute_similarity<uint32_t, half, half>::configured<false, true>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail
diff --git a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_smem_lut.cu b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_smem_lut.cu
index e24663ca0b..f10909cd48 100644
--- a/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_smem_lut.cu
+++ b/cpp/src/distance/neighbors/specializations/detail/ivfpq_compute_similarity_half_no_smem_lut.cu
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022, NVIDIA CORPORATION.
+ * Copyright (c) 2022-2023, NVIDIA CORPORATION.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,11 +21,7 @@
 namespace raft::spatial::knn::ivf_pq::detail {
 
 template struct ivfpq_compute_similarity<uint64_t, float, half>::configured<true, false>;
-template struct ivfpq_compute_similarity<int64_t, float, half>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, float, half>::configured<true, false>;
 
 template struct ivfpq_compute_similarity<uint64_t, half, half>::configured<true, false>;
-template struct ivfpq_compute_similarity<int64_t, half, half>::configured<true, false>;
-template struct ivfpq_compute_similarity<uint32_t, half, half>::configured<true, false>;
 
 }  // namespace raft::spatial::knn::ivf_pq::detail