diff --git a/src/core/chunked_stream.js b/src/core/chunked_stream.js
index e46e7fbed..efd673216 100644
--- a/src/core/chunked_stream.js
+++ b/src/core/chunked_stream.js
@@ -264,7 +264,6 @@ class ChunkedStreamManager {
     this.chunkSize = args.rangeChunkSize;
     this.stream = new ChunkedStream(this.length, this.chunkSize, this);
     this.pdfNetworkStream = pdfNetworkStream;
-    this.url = args.url;
     this.disableAutoFetch = args.disableAutoFetch;
     this.msgHandler = args.msgHandler;
 
diff --git a/src/core/pdf_manager.js b/src/core/pdf_manager.js
index 398114121..cdbbc3a58 100644
--- a/src/core/pdf_manager.js
+++ b/src/core/pdf_manager.js
@@ -144,7 +144,6 @@ class NetworkPdfManager extends BasePdfManager {
 
     this.streamManager = new ChunkedStreamManager(pdfNetworkStream, {
       msgHandler: args.msgHandler,
-      url: args.url,
       length: args.length,
       disableAutoFetch: args.disableAutoFetch,
       rangeChunkSize: args.rangeChunkSize,
diff --git a/src/core/worker.js b/src/core/worker.js
index df14cd3af..83496d86f 100644
--- a/src/core/worker.js
+++ b/src/core/worker.js
@@ -322,7 +322,6 @@ var WorkerMessageHandler = {
                                fullRequest.isStreamingSupported;
         pdfManager = new NetworkPdfManager(docId, pdfStream, {
           msgHandler: handler,
-          url: source.url,
           password: source.password,
           length: fullRequest.contentLength,
           disableAutoFetch,