diff --git a/api/include/opentelemetry/trace/span_context.h b/api/include/opentelemetry/trace/span_context.h
index ca13a8df60..e19bb99001 100644
--- a/api/include/opentelemetry/trace/span_context.h
+++ b/api/include/opentelemetry/trace/span_context.h
@@ -81,7 +81,7 @@ class SpanContext final
 
   bool IsRemote() const noexcept { return is_remote_; }
 
-  static SpanContext GetInvalid() { return SpanContext(false, false); }
+  static SpanContext GetInvalid() noexcept { return SpanContext(false, false); }
 
   bool IsSampled() const noexcept { return trace_flags_.IsSampled(); }
 
diff --git a/exporters/etw/include/opentelemetry/exporters/etw/etw_properties.h b/exporters/etw/include/opentelemetry/exporters/etw/etw_properties.h
index 04ad86130f..3cf365c8a0 100644
--- a/exporters/etw/include/opentelemetry/exporters/etw/etw_properties.h
+++ b/exporters/etw/include/opentelemetry/exporters/etw/etw_properties.h
@@ -192,7 +192,7 @@ class PropertyValue : public PropertyVariant
   {}
 
   /**
-   * @brief Convert owning PropertyValue to non-owning common::AttributeValue
+   * @brief Convert non-owning common::AttributeValue to owning PropertyValue.
    * @return
    */
   PropertyValue &FromAttributeValue(const common::AttributeValue &v)
@@ -222,7 +222,8 @@ class PropertyValue : public PropertyVariant
         break;
       }
       case common::AttributeType::kTypeString: {
-        PropertyVariant::operator=(nostd::string_view(nostd::get<nostd::string_view>(v)).data());
+        PropertyVariant::operator=
+            (std::string{nostd::string_view(nostd::get<nostd::string_view>(v)).data()});
         break;
       }