diff --git a/sfx2/source/appl/shutdownicon.hxx b/sfx2/source/appl/shutdownicon.hxx
index d90792751716..d3974699de0d 100644
--- a/sfx2/source/appl/shutdownicon.hxx
+++ b/sfx2/source/appl/shutdownicon.hxx
@@ -34,6 +34,13 @@
 #include <sfx2/dllapi.h>
 #include <tools/link.hxx>
 
+extern "C" {
+
+void SAL_DLLPUBLIC_EXPORT plugin_init_sys_tray();
+void SAL_DLLPUBLIC_EXPORT plugin_shutdown_sys_tray();
+
+}
+
 class ResMgr;
 namespace sfx2
 {
diff --git a/sfx2/source/appl/shutdowniconunx.cxx b/sfx2/source/appl/shutdowniconunx.cxx
index 8428b192d1e0..52d176dc1224 100644
--- a/sfx2/source/appl/shutdowniconunx.cxx
+++ b/sfx2/source/appl/shutdowniconunx.cxx
@@ -49,13 +49,6 @@
 
 using namespace ::osl;
 
-extern "C" {
-
-void SAL_DLLPUBLIC_EXPORT plugin_init_sys_tray();
-void SAL_DLLPUBLIC_EXPORT plugin_shutdown_sys_tray();
-
-}
-
 static ResMgr *pVCLResMgr;
 static GtkStatusIcon* pTrayIcon;
 static GtkWidget *pExitMenuItem = nullptr;