diff --git a/cloud/aws/kinesis-firehose/README.md b/cloud/aws/kinesis-firehose/README.md
index 21d4214..fafe19b 100644
--- a/cloud/aws/kinesis-firehose/README.md
+++ b/cloud/aws/kinesis-firehose/README.md
@@ -29,7 +29,6 @@ Inputs
 | environment | Environment | string | - | yes |
 | filter_tags_custom | Tags used for custom filtering when filter_tags_use_defaults is false | string | `*` | no |
 | filter_tags_use_defaults | Use default filter tags convention | string | `true` | no |
-| incoming_records_aggregator | Monitor aggregator for Kinesis Firehorse incoming records [available values: min, max, sum or avg] | string | `sum` | no |
 | incoming_records_message | Custom message for Kinesis Firehorse incoming records monitor | string | `` | no |
 | incoming_records_silenced | Groups to mute for Kinesis Firehorse incoming records monitor | map | `<map>` | no |
 | incoming_records_timeframe | Monitor timeframe for incoming records metrics evaluation [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`] | string | `last_15m` | no |
diff --git a/cloud/aws/kinesis-firehose/inputs.tf b/cloud/aws/kinesis-firehose/inputs.tf
index 931b253..831045e 100644
--- a/cloud/aws/kinesis-firehose/inputs.tf
+++ b/cloud/aws/kinesis-firehose/inputs.tf
@@ -38,12 +38,6 @@ variable "incoming_records_message" {
   default     = ""
 }
 
-variable "incoming_records_aggregator" {
-  description = "Monitor aggregator for Kinesis Firehorse incoming records [available values: min, max, sum or avg]"
-  type        = "string"
-  default     = "sum"
-}
-
 variable "incoming_records_timeframe" {
   description = "Monitor timeframe for incoming records metrics evaluation [available values: `last_#m` (1, 5, 10, 15, or 30), `last_#h` (1, 2, or 4), or `last_1d`]"
   default     = "last_15m"
diff --git a/cloud/aws/kinesis-firehose/monitors-kinesis-firehose.tf b/cloud/aws/kinesis-firehose/monitors-kinesis-firehose.tf
index d5ab13f..1f1a71b 100644
--- a/cloud/aws/kinesis-firehose/monitors-kinesis-firehose.tf
+++ b/cloud/aws/kinesis-firehose/monitors-kinesis-firehose.tf
@@ -14,8 +14,8 @@ resource "datadog_monitor" "firehose_incoming_records" {
   type = "metric alert"
 
   query = <<EOF
-  ${var.incoming_records_aggregator}(${var.incoming_records_timeframe}): (
-    ${var.incoming_records_aggregator}:aws.firehose.incoming_records{${data.template_file.filter.rendered}} by {region,deliverystreamname}
+  sum(${var.incoming_records_timeframe}): (
+    avg:aws.firehose.incoming_records{${data.template_file.filter.rendered}} by {region,deliverystreamname}
   ) <= 0
 EOF