diff --git a/aws_lambda_powertools/utilities/parser/models/apigw.py b/aws_lambda_powertools/utilities/parser/models/apigw.py
index fc7f5b61d3f..74735ef4919 100644
--- a/aws_lambda_powertools/utilities/parser/models/apigw.py
+++ b/aws_lambda_powertools/utilities/parser/models/apigw.py
@@ -77,6 +77,7 @@ def check_message_id(cls, values):
             raise ValueError("messageId is available only when the `eventType` is `MESSAGE`")
         return values
 
+    # validator to normalize requestTimeEpoch
     @validator("requestTimeEpoch", pre=True)
     def normalize_timestamp(cls, value):
         date_utc = datetime.fromtimestamp(int(value) / 1000, tz=timezone.utc)
diff --git a/aws_lambda_powertools/utilities/parser/models/kafka.py b/aws_lambda_powertools/utilities/parser/models/kafka.py
index dba911bf4d1..0f3573008a1 100644
--- a/aws_lambda_powertools/utilities/parser/models/kafka.py
+++ b/aws_lambda_powertools/utilities/parser/models/kafka.py
@@ -20,7 +20,7 @@ class KafkaRecordModel(BaseModel):
     headers: List[Dict[str, bytes]]
 
     # validators
-    _decode_key = validator("key", allow_reuse=True)(base64_decode)  # type: ignore[type-var]
+    _decode_key = validator("key", allow_reuse=True)(base64_decode)  # type: ignore[type-var, unused-ignore]
 
     @validator("value", pre=True, allow_reuse=True)
     def data_base64_decode(cls, value):