diff --git a/modules/desktop_capture/linux/wayland/screencast_portal.cc b/modules/desktop_capture/linux/wayland/screencast_portal.cc
index 5eacae9ed6..f9cdb08533 100644
--- a/modules/desktop_capture/linux/wayland/screencast_portal.cc
+++ b/modules/desktop_capture/linux/wayland/screencast_portal.cc
@@ -31,7 +31,11 @@ using xdg_portal::StartSessionRequest;
 using xdg_portal::TearDownSession;
 using xdg_portal::RequestResponseFromPortalResponse;
 
-ScreenCastPortal::CaptureSourceType ToCaptureSourceType(CaptureType type) {
+}  // namespace
+
+// static
+ScreenCastPortal::CaptureSourceType ScreenCastPortal::ToCaptureSourceType(
+    CaptureType type) {
   switch (type) {
     case CaptureType::kScreen:
       return ScreenCastPortal::CaptureSourceType::kScreen;
@@ -40,22 +44,6 @@ ScreenCastPortal::CaptureSourceType ToCaptureSourceType(CaptureType type) {
   }
 }
 
-// TODO(https://crbug.com/1359411): Migrate downstream consumers off of
-// CaptureSourceType and delete this.
-CaptureType ToCaptureType(ScreenCastPortal::CaptureSourceType source_type) {
-  switch (source_type) {
-    case ScreenCastPortal::CaptureSourceType::kScreen:
-      return CaptureType::kScreen;
-    case ScreenCastPortal::CaptureSourceType::kWindow:
-      return CaptureType::kWindow;
-    default:
-      RTC_DCHECK_NOTREACHED();
-      return CaptureType::kScreen;
-  }
-}
-
-}  // namespace
-
 ScreenCastPortal::ScreenCastPortal(CaptureType type, PortalNotifier* notifier)
     : ScreenCastPortal(type,
                        notifier,
@@ -76,18 +64,6 @@ ScreenCastPortal::ScreenCastPortal(
           sources_request_response_signal_handler),
       user_data_(user_data) {}
 
-ScreenCastPortal::ScreenCastPortal(
-    CaptureSourceType source_type,
-    PortalNotifier* notifier,
-    ProxyRequestResponseHandler proxy_request_response_handler,
-    SourcesRequestResponseSignalHandler sources_request_response_signal_handler,
-    gpointer user_data)
-    : ScreenCastPortal(ToCaptureType(source_type),
-                       notifier,
-                       proxy_request_response_handler,
-                       sources_request_response_signal_handler,
-                       user_data) {}
-
 ScreenCastPortal::~ScreenCastPortal() {
   Stop();
 }
diff --git a/modules/desktop_capture/linux/wayland/screencast_portal.h b/modules/desktop_capture/linux/wayland/screencast_portal.h
index 65869e6483..96e4ba3ac9 100644
--- a/modules/desktop_capture/linux/wayland/screencast_portal.h
+++ b/modules/desktop_capture/linux/wayland/screencast_portal.h
@@ -38,16 +38,6 @@ class ScreenCastPortal : public xdg_portal::ScreenCapturePortalInterface {
                GVariant* parameters,
                gpointer user_data);
 
-  // Values are set based on source type property in
-  // xdg-desktop-portal/screencast
-  // https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.ScreenCast.xml
-  // TODO(https://crbug.com/1359411): Make this private.
-  enum class CaptureSourceType : uint32_t {
-    kScreen = 0b01,
-    kWindow = 0b10,
-    kAnyScreenContent = kScreen | kWindow
-  };
-
   // Values are set based on cursor mode property in
   // xdg-desktop-portal/screencast
   // https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.ScreenCast.xml
@@ -96,14 +86,6 @@ class ScreenCastPortal : public xdg_portal::ScreenCapturePortalInterface {
                        sources_request_response_signal_handler,
                    gpointer user_data);
 
-  // TODO(https://crbug.com/1359411): Migrate downstream consumers off of
-  // CaptureSourceType and delete this.
-  ScreenCastPortal(CaptureSourceType source_type,
-                   PortalNotifier* notifier,
-                   ProxyRequestResponseHandler proxy_request_response_handler,
-                   SourcesRequestResponseSignalHandler
-                       sources_request_response_signal_handler,
-                   gpointer user_data);
   ~ScreenCastPortal();
 
   // Initialize ScreenCastPortal with series of DBus calls where we try to
@@ -136,6 +118,16 @@ class ScreenCastPortal : public xdg_portal::ScreenCapturePortalInterface {
   std::string RestoreToken() const;
 
  private:
+  // Values are set based on source type property in
+  // xdg-desktop-portal/screencast
+  // https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.ScreenCast.xml
+  enum class CaptureSourceType : uint32_t {
+    kScreen = 0b01,
+    kWindow = 0b10,
+    kAnyScreenContent = kScreen | kWindow
+  };
+  static CaptureSourceType ToCaptureSourceType(CaptureType type);
+
   PortalNotifier* notifier_;
 
   // A PipeWire stream ID of stream we will be connecting to