diff --git a/sonar/util/common_json_helper.py b/sonar/util/common_json_helper.py
index c8b3c7d7..a8b1a712 100644
--- a/sonar/util/common_json_helper.py
+++ b/sonar/util/common_json_helper.py
@@ -21,7 +21,6 @@
 
 from typing import Any
 from sonar import utilities
-from sonar import logging as log
 
 
 def convert_common_fields(json_data: dict[str, Any], with_permissions: bool = True) -> dict[str, Any]:
diff --git a/sonar/util/qualityprofile_helper.py b/sonar/util/qualityprofile_helper.py
index 2ad72c5a..7483422d 100644
--- a/sonar/util/qualityprofile_helper.py
+++ b/sonar/util/qualityprofile_helper.py
@@ -21,6 +21,7 @@
 
 from typing import Any
 from sonar import utilities as util
+from sonar.util import constants as c
 from sonar.util import types
 from sonar.util import common_json_helper
 
@@ -61,6 +62,12 @@ def __convert_qp_json(qp_json: dict[str, Any]) -> list[dict[str, Any]]:
                 if "severities" in r:
                     r["impacts"] = r["severities"]
                     r.pop("severities")
+                if "impacts" in r:
+                    r["impacts"] = {
+                        k: r["impacts"][k]
+                        for k in ("SECURITY", "RELIABILITY", "MAINTAINABILITY")
+                        if k in r["impacts"] and r["impacts"][k] != c.DEFAULT
+                    }
         if "children" in v:
             v["children"] = __convert_qp_json(v["children"])
         qp_json[k] = util.order_keys(common_json_helper.convert_common_fields(v, with_permissions=False), *KEY_ORDER)
diff --git a/sonar/util/rule_helper.py b/sonar/util/rule_helper.py
index 55b8c14f..501d535d 100644
--- a/sonar/util/rule_helper.py
+++ b/sonar/util/rule_helper.py
@@ -21,12 +21,19 @@
 
 from typing import Any
 from sonar import utilities
+from sonar.util import constants as c
 from sonar.util import common_json_helper
 
 
 def convert_rule_json(old_json: dict[str, Any]) -> dict[str, Any]:
     """Converts a rule JSON from old to new export format"""
-    return common_json_helper.convert_common_fields(old_json)
+    old_json = common_json_helper.convert_common_fields(old_json)
+    if "impacts" in old_json:
+        old_json["impacts"] = {
+            k: old_json["impacts"][k]
+            for k in ("SECURITY", "RELIABILITY", "MAINTAINABILITY")
+            if k in old_json["impacts"] and old_json["impacts"][k] != c.DEFAULT
+        }
 
 
 def convert_rules_json(old_json: dict[str, Any]) -> dict[str, Any]: