diff --git a/include/cuco/detail/bloom_filter/arrow_filter_policy.cuh b/include/cuco/detail/bloom_filter/arrow_filter_policy.cuh
index f83280fda..f49fbcc68 100644
--- a/include/cuco/detail/bloom_filter/arrow_filter_policy.cuh
+++ b/include/cuco/detail/bloom_filter/arrow_filter_policy.cuh
@@ -84,11 +84,10 @@ namespace cuco::detail {
 template <class Key, template <typename> class XXHash64>
 class arrow_filter_policy {
  public:
-  using hasher             = XXHash64<Key>;  ///< 64-bit XXHash hasher for Arrow bloom filter policy
-  using word_type          = std::uint32_t;  ///< uint32_t for Arrow bloom filter policy
-  using key_type = Key;  ///< Hash function input type
-  using hash_value_type   = uint64_t;
-    std::declval<hash_argument_type>()));  ///< hash function output type
+  using hasher          = XXHash64<Key>;  ///< 64-bit XXHash hasher for Arrow bloom filter policy
+  using word_type       = std::uint32_t;  ///< uint32_t for Arrow bloom filter policy
+  using key_type        = Key;            ///< Hash function input type
+  using hash_value_type = std::uint64_t;  ///< hash function output type
 
   static constexpr uint32_t bits_set_per_block = 8;  ///< hardcoded bits set per Arrow filter block
   static constexpr uint32_t words_per_block    = 8;  ///< hardcoded words per Arrow filter block