diff --git a/chrome/browser/ui/views/side_panel/BUILD.gn b/chrome/browser/ui/views/side_panel/BUILD.gn
index 55cfc94371d78..28cb30711041a 100644
--- a/chrome/browser/ui/views/side_panel/BUILD.gn
+++ b/chrome/browser/ui/views/side_panel/BUILD.gn
@@ -89,6 +89,19 @@ source_set("side_panel") {
     "side_panel_util.h",
     "side_panel_web_ui_view.cc",
     "side_panel_web_ui_view.h",
+    "browseros_simple_page_extractor.cc",
+    "browseros_simple_page_extractor.h",
+    "third_party_llm/third_party_llm_panel_coordinator.cc",
+    "third_party_llm/third_party_llm_panel_coordinator.h",
+    "third_party_llm/third_party_llm_view.cc",
+    "third_party_llm/third_party_llm_view.h",
+    "clash_of_gpts/clash_of_gpts_coordinator.cc",
+    "clash_of_gpts/clash_of_gpts_coordinator.h",
+    "clash_of_gpts/clash_of_gpts_view.cc",
+    "clash_of_gpts/clash_of_gpts_view.h",
+    "clash_of_gpts/clash_of_gpts_window.cc",
+    "clash_of_gpts/clash_of_gpts_window.h",
+
   ]
   if (enable_glic) {
     sources += [
@@ -114,6 +127,7 @@ source_set("side_panel") {
     "//chrome/browser/ui/webui/side_panel/customize_chrome",
     "//chrome/common",
     "//chrome/common/read_anything:mojo_bindings",
+    "//chrome/browser/browseros/metrics",
     "//components/omnibox/browser",
     "//components/prefs",
     "//components/search_engines",
