diff --git a/core/include/minifi-cpp/core/PropertyDefinition.h b/core/include/minifi-cpp/core/PropertyDefinition.h
index 74148c3780..57aab5aba9 100644
--- a/core/include/minifi-cpp/core/PropertyDefinition.h
+++ b/core/include/minifi-cpp/core/PropertyDefinition.h
@@ -32,17 +32,17 @@ struct PropertyDefinition {
   std::string_view name;
   std::string_view display_name;
   std::string_view description;
-  bool is_required = false;
-  bool is_sensitive = false;
+  bool is_required;
+  bool is_sensitive;
   std::array<std::string_view, NumAllowedValues> allowed_values;
   std::span<const std::string_view> allowed_types;
   std::array<std::string_view, NumDependentProperties> dependent_properties;
   std::array<std::pair<std::string_view, std::string_view>, NumExclusiveOfProperties> exclusive_of_properties;
   std::optional<std::string_view> default_value;
   gsl::not_null<const PropertyType*> type;
-  bool supports_expression_language = false;
+  bool supports_expression_language;
 
-  uint8_t version = 1;
+  uint8_t version;
 };
 
 struct PropertyReference {
diff --git a/utils/include/core/PropertyDefinitionBuilder.h b/utils/include/core/PropertyDefinitionBuilder.h
index 172d212aff..a6a0137036 100644
--- a/utils/include/core/PropertyDefinitionBuilder.h
+++ b/utils/include/core/PropertyDefinitionBuilder.h
@@ -103,7 +103,19 @@ struct PropertyDefinitionBuilder {
   }
 
   PropertyDefinition<NumAllowedValues, NumDependentProperties, NumExclusiveOfProperties> property{
-    .type = gsl::make_not_null(&StandardPropertyTypes::VALID_TYPE)
+    .name = {},
+    .display_name = {},
+    .description = {},
+    .is_required = false,
+    .is_sensitive = false,
+    .allowed_values = {},
+    .allowed_types = {},
+    .dependent_properties = {},
+    .exclusive_of_properties = {},
+    .default_value = {},
+    .type = gsl::make_not_null(&StandardPropertyTypes::VALID_TYPE),
+    .supports_expression_language = false,
+    .version = 1
   };
 };