diff --git a/src/display/api.js b/src/display/api.js
index 60b7aa63a..c6fbd182f 100644
--- a/src/display/api.js
+++ b/src/display/api.js
@@ -1377,7 +1377,7 @@ class LoopbackPort {
   }
 
   terminate() {
-    this._listeners = [];
+    this._listeners.length = 0;
   }
 }
 
@@ -1760,8 +1760,8 @@ class WorkerTransport {
         waitOn.push(page._destroy());
       }
     });
-    this.pageCache = [];
-    this.pagePromises = [];
+    this.pageCache.length = 0;
+    this.pagePromises.length = 0;
     // We also need to wait for the worker to finish its long running tasks.
     const terminated = this.messageHandler.sendWithPromise('Terminate', null);
     waitOn.push(terminated);