diff --git a/src/mlx/warnings/junit_checker.py b/src/mlx/warnings/junit_checker.py
index 80a7c94..76be340 100644
--- a/src/mlx/warnings/junit_checker.py
+++ b/src/mlx/warnings/junit_checker.py
@@ -57,8 +57,8 @@ def _check_testcase(self, testcase):
         """Handles the check of a test case element by checking if the result is a failure/error.
 
         If it is to be excluded by a configured regex, 1 is returned.
-        Otherwise, when in verbose/output mode, the suite name and test case name are printed/written along with the
-        failure/error message.
+        Otherwise, when in verbose/output mode, the suite name and test case name are printed/written
+        In output mode, the failure/error message is written additionally.
 
         Args:
             testcase (junitparser.TestCase): Test case element to check for failure or error
diff --git a/src/mlx/warnings/polyspace_checker.py b/src/mlx/warnings/polyspace_checker.py
index b188e24..25024a0 100644
--- a/src/mlx/warnings/polyspace_checker.py
+++ b/src/mlx/warnings/polyspace_checker.py
@@ -125,7 +125,6 @@ def parse_config(self, config):
             {\n    <column-name>: <value_to_check>,\n    min: <number>,\n    max: <number>\n}
         """
         self.checkers = []
-        padding = 0
         for family_value, data in config.items():
             if family_value == "enabled":
                 continue
@@ -144,7 +143,6 @@ def parse_config(self, config):
                         continue
                     column_name = key.lower()
                     check_value = value.lower()
-                    padding = max(padding, len(f"{family_value}: {column_name}: {check_value}"))
                     checker = PolyspaceFamilyChecker(family_value, column_name, check_value, *self.logging_args)
                     checker.parse_config(check)
                     self.checkers.append(checker)
@@ -165,7 +163,6 @@ def parse_config(self, config):
 
 class PolyspaceFamilyChecker(WarningsChecker):
     name = "polyspace_sub"
-    subchecker = True
     code_quality_severity = {
         "impact: high": "critical",
         "impact: medium": "major",
diff --git a/src/mlx/warnings/regex_checker.py b/src/mlx/warnings/regex_checker.py
index c772fc5..0fa4cf2 100644
--- a/src/mlx/warnings/regex_checker.py
+++ b/src/mlx/warnings/regex_checker.py
@@ -170,7 +170,6 @@ def parse_config(self, config):
 
 class CoverityClassificationChecker(WarningsChecker):
     name = "coverity_sub"
-    subchecker = True
     logging_fmt = "{checker.name_repr}: {checker.classification:<14} | {message}"
     SEVERITY_MAP = {
         "false positive": "info",
diff --git a/src/mlx/warnings/robot_checker.py b/src/mlx/warnings/robot_checker.py
index 4847fb2..93146fd 100644
--- a/src/mlx/warnings/robot_checker.py
+++ b/src/mlx/warnings/robot_checker.py
@@ -92,7 +92,6 @@ def parse_config(self, config):
 
 class RobotSuiteChecker(JUnitChecker):
     name = "robot_sub"
-    subchecker = True
     logging_fmt = "{checker.name_repr}: {checker.suite_name_repr:<20} {message}"
 
     def __init__(self, suite_name, *logging_args, check_suite_name=False):
diff --git a/src/mlx/warnings/warnings_checker.py b/src/mlx/warnings/warnings_checker.py
index 51e0063..bb075b6 100644
--- a/src/mlx/warnings/warnings_checker.py
+++ b/src/mlx/warnings/warnings_checker.py
@@ -39,7 +39,6 @@ def filter(self, record: logging.LogRecord) -> bool:
 
 class WarningsChecker:
     name = "checker"
-    subchecker = False
     logging_fmt = "{checker.name_repr}: {message}"
 
     def __init__(self, verbose, output):
@@ -92,6 +91,10 @@ def __init__(self, verbose, output):
     def name_repr(self):
         return self.name.replace("_sub", "").capitalize()
 
+    @property
+    def is_sub_checker(self):
+        return self.name.endswith("_sub")
+
     @property
     def cq_findings(self):
         """List[dict]: list of code quality findings"""
@@ -209,7 +212,7 @@ def _return_error_code(self):
         if error_code == 0:
             error_code = 1
         string_to_print = f"number of warnings ({self.count}) is {error_reason}."
-        if not self.subchecker:
+        if not self.is_sub_checker:
             string_to_print += f" Returning error code {error_code}."
         self.logger.warning(string_to_print)
         return error_code