diff --git a/cli/sentry-prompt.js b/cli/sentry-prompt.js
index a22c4ed8acad..534f47a53bc1 100644
--- a/cli/sentry-prompt.js
+++ b/cli/sentry-prompt.js
@@ -26,7 +26,7 @@ function prompt() {
     return Promise.resolve(false);
   }
 
-  /** @type {NodeJS.Timer|undefined} */
+  /** @type {NodeJS.Timeout|undefined} */
   let timeout;
 
   const prompt = new Confirm.Confirm({
@@ -47,7 +47,7 @@ function prompt() {
 
   return Promise.race([
     prompt.run().then(result => {
-      clearTimeout(/** @type {NodeJS.Timer} */ (timeout));
+      clearTimeout(/** @type {NodeJS.Timeout} */ (timeout));
       return result;
     }),
     timeoutPromise,
diff --git a/core/gather/driver/wait-for-condition.js b/core/gather/driver/wait-for-condition.js
index b110f686c12a..ac5b57f18b14 100644
--- a/core/gather/driver/wait-for-condition.js
+++ b/core/gather/driver/wait-for-condition.js
@@ -126,7 +126,7 @@ function waitForFcp(session, pauseAfterFcpMs, maxWaitForFcpMs) {
  */
 function waitForNetworkIdle(session, networkMonitor, networkQuietOptions) {
   let hasDCLFired = false;
-  /** @type {NodeJS.Timer|undefined} */
+  /** @type {NodeJS.Timeout|undefined} */
   let idleTimeout;
   /** @type {(() => void)} */
   let cancel = () => {
@@ -225,7 +225,7 @@ function waitForCPUIdle(session, waitForCPUQuiet) {
     };
   }
 
-  /** @type {NodeJS.Timer|undefined} */
+  /** @type {NodeJS.Timeout|undefined} */
   let lastTimeout;
   let canceled = false;
 
@@ -355,7 +355,7 @@ function waitForLoadEvent(session, pauseAfterLoadMs) {
   };
 
   const promise = new Promise((resolve, reject) => {
-    /** @type {NodeJS.Timer|undefined} */
+    /** @type {NodeJS.Timeout|undefined} */
     let loadTimeout;
     const loadListener = function() {
       loadTimeout = setTimeout(resolve, pauseAfterLoadMs);
@@ -420,7 +420,7 @@ async function waitForFullyLoaded(session, networkMonitor, options) {
     cpuQuietThresholdMs, maxWaitForLoadedMs, maxWaitForFcpMs} = options;
   const {waitForFcp, waitForLoadEvent, waitForNetworkIdle, waitForCPUIdle} =
     options._waitForTestOverrides || DEFAULT_WAIT_FUNCTIONS;
-  /** @type {NodeJS.Timer|undefined} */
+  /** @type {NodeJS.Timeout|undefined} */
   let maxTimeoutHandle;
 
   // Listener for FCP. Resolves pauseAfterFcpMs ms after first FCP event.
diff --git a/core/gather/session.js b/core/gather/session.js
index b15938c9bd14..8d9bd24ad7af 100644
--- a/core/gather/session.js
+++ b/core/gather/session.js
@@ -113,7 +113,7 @@ class ProtocolSession extends CrdpEventEmitter {
     const timeoutMs = this.getNextProtocolTimeout();
     this._nextProtocolTimeout = undefined;
 
-    /** @type {NodeJS.Timer|undefined} */
+    /** @type {NodeJS.Timeout|undefined} */
     let timeout;
     const timeoutPromise = new Promise((resolve, reject) => {
       // Unexpected setTimeout invocation to preserve the error stack. https://github.com/GoogleChrome/lighthouse/issues/13332