diff --git a/src/datadog/span_sampler_config.cpp b/src/datadog/span_sampler_config.cpp
index f16c61b0..c19a95a2 100644
--- a/src/datadog/span_sampler_config.cpp
+++ b/src/datadog/span_sampler_config.cpp
@@ -254,12 +254,8 @@ Expected<FinalizedSpanSamplerConfig> finalize_config(
       return error->with_prefix(prefix);
     }
 
-    const auto allowed_types = {FP_NORMAL, FP_SUBNORMAL};
     if (rule.max_per_second &&
-        (!(*rule.max_per_second > 0) ||
-         std::find(std::begin(allowed_types), std::end(allowed_types),
-                   std::fpclassify(*rule.max_per_second)) ==
-             std::end(allowed_types))) {
+        (!(*rule.max_per_second > 0))) {
       std::string message;
       message += "Span sampling rule with pattern ";
       message += nlohmann::json(static_cast<SpanMatcher>(rule)).dump();
diff --git a/src/datadog/trace_sampler_config.cpp b/src/datadog/trace_sampler_config.cpp
index f10b0ddd..a8b684bf 100644
--- a/src/datadog/trace_sampler_config.cpp
+++ b/src/datadog/trace_sampler_config.cpp
@@ -229,9 +229,7 @@ Expected<FinalizedTraceSamplerConfig> finalize_config(
       ConfigName::TRACE_SAMPLING_LIMIT, std::to_string(max_per_second), origin);
 
   const auto allowed_types = {FP_NORMAL, FP_SUBNORMAL};
-  if (!(max_per_second > 0) ||
-      std::find(std::begin(allowed_types), std::end(allowed_types),
-                std::fpclassify(max_per_second)) == std::end(allowed_types)) {
+  if (!(max_per_second > 0)) {
     std::string message;
     message +=
         "Trace sampling max_per_second must be greater than zero, but the "