diff --git a/map/autoware_lanelet2_map_validator/src/common/validation.cpp b/map/autoware_lanelet2_map_validator/src/common/validation.cpp
index 71d7f4fc..f37d6e39 100644
--- a/map/autoware_lanelet2_map_validator/src/common/validation.cpp
+++ b/map/autoware_lanelet2_map_validator/src/common/validation.cpp
@@ -305,7 +305,6 @@ void process_requirements(
 
     // Check prerequisites are OK
     const auto prerequisite_issues = check_prerequisite_completion(validators, validator_name);
-    appendIssues(total_issues, prerequisite_issues);
 
     // NOTE: if prerequisite_issues is not empty, skip the content validation process
     const auto issues =
@@ -313,7 +312,7 @@ void process_requirements(
         ? apply_validation(
             lanelet_map, replace_validator(
                            validator_config.command_line_config.validationConfig, validator_name))
-        : std::vector<lanelet::validation::DetectedIssues>();
+        : std::move(prerequisite_issues);
 
     // Add validation results to the json data
     json & validator_json = find_validator_block(json_data, validator_name);