diff --git a/.nycrc b/.nycrc
index 520f016fc2..22383d8aba 100644
--- a/.nycrc
+++ b/.nycrc
@@ -1,4 +1,5 @@
 {
+  "produceSourceMap": false,
   "extension": [
     ".ts"
   ],
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2772fb4f78..607cb9544d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,7 +28,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :house: (Internal)
 
-* fix(sdk-metrics): ix flaky LastValueAggregator test by using fake timer [#3587](https://github.com/open-telemetry/opentelemetry-js/pull/3587) @pichlermarc
+* fix(sdk-metrics): fix flaky LastValueAggregator test by using fake timer [#3587](https://github.com/open-telemetry/opentelemetry-js/pull/3587) @pichlermarc
+* fix(test): fix failing tests by preventing source-map generation [#3642](https://github.com/open-telemetry/opentelemetry-js/pull/3642) @pichlermarc
 
 ## 1.9.1