diff --git a/toplevel.cpp b/toplevel.cpp
index 611505b850..15ad1a0cd2 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -487,6 +487,11 @@ void Toplevel::elevate(bool elevate)
     effectWindow()->elevate(elevate);
 }
 
+pid_t Toplevel::pid() const
+{
+    return info->pid();
+}
+
 } // namespace
 
 #include "toplevel.moc"
diff --git a/toplevel.h b/toplevel.h
index 2b7730e2b6..bcea14211e 100644
--- a/toplevel.h
+++ b/toplevel.h
@@ -655,11 +655,6 @@ inline QByteArray Toplevel::windowRole() const
     return window_role;
 }
 
-inline pid_t Toplevel::pid() const
-{
-    return info->pid();
-}
-
 inline bool Toplevel::unredirected() const
 {
     return unredirect;