diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index e594f1fedc..39750c1462 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -1419,11 +1419,6 @@ static const char * xcb_atomnames = {
     "_XSETTINGS_SETTINGS\0" // \0\0 terminates loop.
 };
 
-xcb_atom_t QXcbConnection::atom(QXcbAtom::Atom atom) const
-{
-    return m_allAtoms[atom];
-}
-
 QXcbAtom::Atom QXcbConnection::qatom(xcb_atom_t xatom) const
 {
     return static_cast<QXcbAtom::Atom>(qFind(m_allAtoms, m_allAtoms + QXcbAtom::NAtoms, xatom) - m_allAtoms);
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index aa0e070061..7cabe67a68 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -352,7 +352,7 @@ public:
     const QList<QXcbScreen *> &screens() const { return m_screens; }
     int primaryScreen() const { return m_primaryScreen; }
 
-    xcb_atom_t atom(QXcbAtom::Atom atom) const;
+    inline xcb_atom_t atom(QXcbAtom::Atom atom) const { return m_allAtoms[atom]; }
     QXcbAtom::Atom qatom(xcb_atom_t atom) const;
     xcb_atom_t internAtom(const char *name);
     QByteArray atomName(xcb_atom_t atom);