diff --git a/plugins/web/opentelemetry-instrumentation-long-task/tsconfig.esm.json b/plugins/web/opentelemetry-instrumentation-long-task/tsconfig.esm.json
index 3de42adb91..379f547a46 100644
--- a/plugins/web/opentelemetry-instrumentation-long-task/tsconfig.esm.json
+++ b/plugins/web/opentelemetry-instrumentation-long-task/tsconfig.esm.json
@@ -5,7 +5,6 @@
     "outDir": "build/esm",
     "tsBuildInfoFile": "build/esm/tsconfig.esm.tsbuildinfo"
   },
-  "files": [ "../../../node_modules/zone.js/dist/zone.js.d.ts"],
   "include": [
     "src/**/*.ts"
   ]
diff --git a/plugins/web/opentelemetry-instrumentation-user-interaction/src/instrumentation.ts b/plugins/web/opentelemetry-instrumentation-user-interaction/src/instrumentation.ts
index 1a12953fc4..e8be5e3fc5 100644
--- a/plugins/web/opentelemetry-instrumentation-user-interaction/src/instrumentation.ts
+++ b/plugins/web/opentelemetry-instrumentation-user-interaction/src/instrumentation.ts
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+/// <reference types="zone.js" />
+
 import { isWrapped, InstrumentationBase } from '@opentelemetry/instrumentation';
 
 import * as api from '@opentelemetry/api';
diff --git a/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.esm.json b/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.esm.json
index 7c32df3d03..2eb13ff857 100644
--- a/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.esm.json
+++ b/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.esm.json
@@ -6,7 +6,6 @@
     "skipLibCheck": true,
     "tsBuildInfoFile": "build/esm/tsconfig.esm.tsbuildinfo"
   },
-  "files": [ "../../../node_modules/zone.js/dist/zone.js.d.ts"],
   "include": [
     "src/**/*.ts"
   ]
diff --git a/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.json b/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.json
index 42c4c90c2b..5c3680dd33 100644
--- a/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.json
+++ b/plugins/web/opentelemetry-instrumentation-user-interaction/tsconfig.json
@@ -5,7 +5,6 @@
     "outDir": "build",
     "skipLibCheck": true
   },
-  "files": [ "../../../node_modules/zone.js/dist/zone.js.d.ts"],
   "include": [
     "src/**/*.ts",
     "test/**/*.ts"