diff --git a/content/browser/download/download_browsertest.cc b/content/browser/download/download_browsertest.cc
index 64aa635fba414..5ef7e49f34d4b 100644
--- a/content/browser/download/download_browsertest.cc
+++ b/content/browser/download/download_browsertest.cc
@@ -4419,6 +4419,33 @@ IN_PROC_BROWSER_TEST_F(DownloadContentTest, DuplicateContentDisposition) {
             downloads[0]->GetTargetFilePath().BaseName().value());
 }
 
+IN_PROC_BROWSER_TEST_F(DownloadContentTest,
+                       CompressedResponseWithContentDisposition) {
+  // gzip-content-with-content-disposition.gz is served with Content-Disposition
+  // headers, and `Content-Encoding: gzip`.
+  NavigateToURLAndWaitForDownload(
+      shell(),
+      embedded_test_server()->GetURL(
+          "/download/gzip-content-with-content-disposition.gz"),
+      download::DownloadItem::COMPLETE);
+
+  std::vector<raw_ptr<download::DownloadItem, VectorExperimental>> downloads;
+  DownloadManagerForShell(shell())->GetAllDownloads(&downloads);
+  ASSERT_EQ(1u, downloads.size());
+
+  EXPECT_EQ(FILE_PATH_LITERAL("hello.txt"),
+            downloads[0]->GetTargetFilePath().BaseName().value());
+
+  // Verify the file is downloaded correctly.
+  {
+    base::ScopedAllowBlockingForTesting allow_blocking;
+    std::string downloaded_content;
+    ASSERT_TRUE(base::ReadFileToString(downloads[0]->GetTargetFilePath(),
+                                       &downloaded_content));
+    EXPECT_EQ(downloaded_content, "Hello World!\n");
+  }
+}
+
 // Test that the network isolation key is populated for:
 // (1) <a download> triggered download request that doesn't go through the
 // navigation path
diff --git a/content/browser/loader/navigation_url_loader_impl.cc b/content/browser/loader/navigation_url_loader_impl.cc
index 93eeb76b470d5..09ae902fb9489 100644
--- a/content/browser/loader/navigation_url_loader_impl.cc
+++ b/content/browser/loader/navigation_url_loader_impl.cc
@@ -559,11 +559,6 @@ std::unique_ptr<network::ResourceRequest> CreateResourceRequestForNavigation(
 
   new_request->enable_load_timing = true;
 
-  if (base::FeatureList::IsEnabled(
-          network::features::kRendererSideContentDecoding)) {
-    new_request->client_side_content_decoding_enabled = true;
-  }
-
   return new_request;
 }
 
diff --git a/content/test/content_test_bundle_data.filelist b/content/test/content_test_bundle_data.filelist
index aff7764adcd13..3dd51e7b492de 100644
--- a/content/test/content_test_bundle_data.filelist
+++ b/content/test/content_test_bundle_data.filelist
@@ -6671,6 +6671,8 @@ data/download/download-with-xfo-deny.html.mock-http-headers
 data/download/empty.bin
 data/download/empty.bin.mock-http-headers
 data/download/forms.mhtml
+data/download/gzip-content-with-content-disposition.gz
+data/download/gzip-content-with-content-disposition.gz.mock-http-headers
 data/download/gzip-content.gz
 data/download/gzip-content.gz.mock-http-headers
 data/download/hello.mhtml
diff --git a/content/test/data/download/gzip-content-with-content-disposition.gz b/content/test/data/download/gzip-content-with-content-disposition.gz
new file mode 100644
index 0000000000000..eb478f7843210
Binary files /dev/null and b/content/test/data/download/gzip-content-with-content-disposition.gz differ
diff --git a/content/test/data/download/gzip-content-with-content-disposition.gz.mock-http-headers b/content/test/data/download/gzip-content-with-content-disposition.gz.mock-http-headers
new file mode 100644
index 0000000000000..ab57591785f25
--- /dev/null
+++ b/content/test/data/download/gzip-content-with-content-disposition.gz.mock-http-headers
@@ -0,0 +1,4 @@
+HTTP/1.1 200 OK
+Content-Length: 33
+Content-Disposition: attachment; filename=hello.txt
+Content-Encoding: gzip