diff --git a/modules/desktop_capture/BUILD.gn b/modules/desktop_capture/BUILD.gn
index 363e318a76..8701c295b3 100644
--- a/modules/desktop_capture/BUILD.gn
+++ b/modules/desktop_capture/BUILD.gn
@@ -565,6 +565,7 @@ rtc_library("desktop_capture_generic") {
       "linux/wayland/base_capturer_pipewire.h",
       "linux/wayland/egl_dmabuf.cc",
       "linux/wayland/egl_dmabuf.h",
+      "linux/wayland/scoped_glib.cc",
       "linux/wayland/scoped_glib.h",
       "linux/wayland/screencast_portal.cc",
       "linux/wayland/screencast_portal.h",
diff --git a/modules/desktop_capture/linux/wayland/scoped_glib.cc b/modules/desktop_capture/linux/wayland/scoped_glib.cc
new file mode 100644
index 0000000000..0d9a87d7fd
--- /dev/null
+++ b/modules/desktop_capture/linux/wayland/scoped_glib.cc
@@ -0,0 +1,57 @@
+/*
+ *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "modules/desktop_capture/linux/wayland/scoped_glib.h"
+
+namespace webrtc {
+
+template <>
+Scoped<GError>::~Scoped() {
+  if (ptr_) {
+    g_error_free(ptr_);
+  }
+}
+
+template <>
+Scoped<char>::~Scoped() {
+  if (ptr_) {
+    g_free(ptr_);
+  }
+}
+
+template <>
+Scoped<GVariant>::~Scoped() {
+  if (ptr_) {
+    g_variant_unref(ptr_);
+  }
+}
+
+template <>
+Scoped<GVariantIter>::~Scoped() {
+  if (ptr_) {
+    g_variant_iter_free(ptr_);
+  }
+}
+
+template <>
+Scoped<GDBusMessage>::~Scoped() {
+  if (ptr_) {
+    g_object_unref(ptr_);
+  }
+}
+
+template <>
+Scoped<GUnixFDList>::~Scoped() {
+  if (ptr_) {
+    g_object_unref(ptr_);
+  }
+}
+
+}  // namespace webrtc
diff --git a/modules/desktop_capture/linux/wayland/scoped_glib.h b/modules/desktop_capture/linux/wayland/scoped_glib.h
index 3af43ce578..908bd6f77d 100644
--- a/modules/desktop_capture/linux/wayland/scoped_glib.h
+++ b/modules/desktop_capture/linux/wayland/scoped_glib.h
@@ -48,46 +48,17 @@ class Scoped {
 };
 
 template <>
-Scoped<GError>::~Scoped() {
-  if (ptr_) {
-    g_error_free(ptr_);
-  }
-}
-
+Scoped<GError>::~Scoped();
 template <>
-Scoped<char>::~Scoped() {
-  if (ptr_) {
-    g_free(ptr_);
-  }
-}
-
+Scoped<char>::~Scoped();
 template <>
-Scoped<GVariant>::~Scoped() {
-  if (ptr_) {
-    g_variant_unref(ptr_);
-  }
-}
-
+Scoped<GVariant>::~Scoped();
 template <>
-Scoped<GVariantIter>::~Scoped() {
-  if (ptr_) {
-    g_variant_iter_free(ptr_);
-  }
-}
-
+Scoped<GVariantIter>::~Scoped();
 template <>
-Scoped<GDBusMessage>::~Scoped() {
-  if (ptr_) {
-    g_object_unref(ptr_);
-  }
-}
-
+Scoped<GDBusMessage>::~Scoped();
 template <>
-Scoped<GUnixFDList>::~Scoped() {
-  if (ptr_) {
-    g_object_unref(ptr_);
-  }
-}
+Scoped<GUnixFDList>::~Scoped();
 
 }  // namespace webrtc