diff --git a/gems/aws-sdk-cloudwatchevidently/CHANGELOG.md b/gems/aws-sdk-cloudwatchevidently/CHANGELOG.md
index 8a9c99a5bbe..a2f7fae5150 100644
--- a/gems/aws-sdk-cloudwatchevidently/CHANGELOG.md
+++ b/gems/aws-sdk-cloudwatchevidently/CHANGELOG.md
@@ -1,6 +1,8 @@
 Unreleased Changes
 ------------------
 
+* Feature - CloudWatch Evidently has been removed from the SDK because it has been discontinued.
+
 1.53.0 (2026-01-26)
 ------------------
 
diff --git a/gems/aws-sdk-iotanalytics/CHANGELOG.md b/gems/aws-sdk-iotanalytics/CHANGELOG.md
index bcbbfa23e34..e59f0c88d9e 100644
--- a/gems/aws-sdk-iotanalytics/CHANGELOG.md
+++ b/gems/aws-sdk-iotanalytics/CHANGELOG.md
@@ -1,6 +1,8 @@
 Unreleased Changes
 ------------------
 
+* Feature - IoT Analytics has been removed from the SDK because it has been discontinued.
+
 1.93.0 (2026-01-16)
 ------------------
 
diff --git a/services.json b/services.json
index 29186e082b4..6d9ede069d8 100644
--- a/services.json
+++ b/services.json
@@ -255,7 +255,8 @@
     "models": "events/2015-10-07"
   },
   "CloudWatchEvidently": {
-    "models": "evidently/2021-02-01"
+    "models": "evidently/2021-02-01",
+    "deprecated": true
   },
   "CloudWatchLogs": {
     "models": "logs/2014-03-28"
@@ -620,7 +621,8 @@
     "models": "iot/2015-05-28"
   },
   "IoTAnalytics": {
-    "models": "iotanalytics/2017-11-27"
+    "models": "iotanalytics/2017-11-27",
+    "deprecated": true
   },
   "IoTDataPlane": {
     "models": "iot-data/2015-05-28",