diff --git a/cpp/src/io/json/process_tokens.cu b/cpp/src/io/json/process_tokens.cu
index 38c16a25057..d41d137a2c9 100644
--- a/cpp/src/io/json/process_tokens.cu
+++ b/cpp/src/io/json/process_tokens.cu
@@ -97,19 +97,16 @@ void validate_token_stream(device_span<char const> d_input,
   literals.emplace_back("null");  // added these too to single trie
   literals.emplace_back("true");
   literals.emplace_back("false");
-  std::vector<std::string> nonnumeric{"NaN", "Infinity", "+INF", "+Infinity", "-INF", "-Infinity"};
 
   cudf::detail::optional_trie trie_literals =
     cudf::detail::create_serialized_trie(literals, stream);
-  auto trie_literals_view = cudf::detail::make_trie_view(trie_literals);
-  cudf::detail::optional_trie trie_nonnumeric =
-    cudf::detail::create_serialized_trie(nonnumeric, stream);
-  auto trie_nonnumeric_view = cudf::detail::make_trie_view(trie_nonnumeric);
+  cudf::detail::optional_trie trie_nonnumeric = cudf::detail::create_serialized_trie(
+    {"NaN", "Infinity", "+INF", "+Infinity", "-INF", "-Infinity"}, stream);
 
   auto validate_values = cuda::proclaim_return_type<bool>(
     [data                        = d_input.data(),
-     trie_literals               = trie_literals_view,
-     trie_nonnumeric             = trie_nonnumeric_view,
+     trie_literals               = cudf::detail::make_trie_view(trie_literals),
+     trie_nonnumeric             = cudf::detail::make_trie_view(trie_nonnumeric),
      allow_numeric_leading_zeros = options.is_allowed_numeric_leading_zeros(),
      allow_nonnumeric =
        options.is_allowed_nonnumeric_numbers()] __device__(SymbolOffsetT start,
@@ -117,13 +114,14 @@ void validate_token_stream(device_span<char const> d_input,
       // This validates an unquoted value. A value must match https://www.json.org/json-en.html
       // but the leading and training whitespace should already have been removed, and is not
       // a string
-      auto c          = data[start];
-      auto is_literal = serialized_trie_contains(trie_literals, {data + start, end - start});
+      auto const is_literal = serialized_trie_contains(trie_literals, {data + start, end - start});
       if (is_literal) { return true; }
       if (allow_nonnumeric) {
-        auto is_literal = serialized_trie_contains(trie_nonnumeric, {data + start, end - start});
-        if (is_literal) { return true; }
+        auto const is_nonnumeric =
+          serialized_trie_contains(trie_nonnumeric, {data + start, end - start});
+        if (is_nonnumeric) { return true; }
       }
+      auto c = data[start];
       if ('-' == c || c <= '9' && 'c' >= '0') {
         // number
         auto num_state = number_state::START;