diff --git a/kstyle/breezehelper.h b/kstyle/breezehelper.h
--- a/kstyle/breezehelper.h
+++ b/kstyle/breezehelper.h
@@ -32,7 +32,6 @@
 #include <QWidget>
 
 #if BREEZE_HAVE_X11
-#include <QX11Info>
 #include <xcb/xcb.h>
 #endif
 
@@ -294,9 +293,6 @@
 
         #if BREEZE_HAVE_X11
 
-        //* get xcb connection
-        static xcb_connection_t* connection();
-
         //* create xcb atom
         xcb_atom_t createAtom( const QString& ) const;
 
diff --git a/kstyle/breezehelper.cpp b/kstyle/breezehelper.cpp
--- a/kstyle/breezehelper.cpp
+++ b/kstyle/breezehelper.cpp
@@ -28,6 +28,10 @@
 #include <QApplication>
 #include <QPainter>
 
+#if BREEZE_HAVE_X11
+#include <QX11Info>
+#endif
+
 #include <algorithm>
 
 namespace Breeze
@@ -1575,8 +1579,8 @@
         if( isX11() )
         {
             // direct call to X
-            xcb_get_selection_owner_cookie_t cookie( xcb_get_selection_owner( connection(), _compositingManagerAtom ) );
-            ScopedPointer<xcb_get_selection_owner_reply_t> reply( xcb_get_selection_owner_reply( connection(), cookie, nullptr ) );
+            xcb_get_selection_owner_cookie_t cookie( xcb_get_selection_owner( QX11Info::connection(), _compositingManagerAtom ) );
+            ScopedPointer<xcb_get_selection_owner_reply_t> reply( xcb_get_selection_owner_reply( QX11Info::connection(), cookie, nullptr ) );
             return reply && reply->owner;
 
         }
@@ -1608,20 +1612,13 @@
 
     #if BREEZE_HAVE_X11
 
-    //____________________________________________________________________
-    xcb_connection_t* Helper::connection()
-    {
-
-        return QX11Info::connection();
-    }
-
     //____________________________________________________________________
     xcb_atom_t Helper::createAtom( const QString& name ) const
     {
         if( isX11() )
         {
 
-            xcb_connection_t* connection( Helper::connection() );
+            xcb_connection_t* connection( QX11Info::connection() );
             xcb_intern_atom_cookie_t cookie( xcb_intern_atom( connection, false, name.size(), qPrintable( name ) ) );
             ScopedPointer<xcb_intern_atom_reply_t> reply( xcb_intern_atom_reply( connection, cookie, nullptr) );
             return reply ? reply->atom:0;
diff --git a/kstyle/breezewindowmanager.cpp b/kstyle/breezewindowmanager.cpp
--- a/kstyle/breezewindowmanager.cpp
+++ b/kstyle/breezewindowmanager.cpp
@@ -846,7 +846,7 @@
     {
         #if BREEZE_HAVE_X11
         // connection
-        auto connection( Helper::connection() );
+        auto connection( QX11Info::connection() );
 
         auto net_connection = connection;
         const qreal dpiRatio = window->devicePixelRatio();