diff --git a/toplevel.cpp b/toplevel.cpp
index cdf72cdc72..591e9765b6 100644
--- a/toplevel.cpp
+++ b/toplevel.cpp
@@ -328,6 +328,12 @@ void Toplevel::setOpacity( double new_opacity )
         }
     }
 
+void Toplevel::deleteEffectWindow()
+    {
+    delete effect_window;
+    effect_window = NULL;
+    }
+
 } // namespace
 
 #include "toplevel.moc"
diff --git a/toplevel.h b/toplevel.h
index 3675e82a66..7ece371200 100644
--- a/toplevel.h
+++ b/toplevel.h
@@ -394,12 +394,6 @@ inline pid_t Toplevel::pid() const
     return info->pid();
     }
 
-inline void Toplevel::deleteEffectWindow()
-    {
-    delete effect_window;
-    effect_window = NULL;
-    }
-
 kdbgstream& operator<<( kdbgstream& stream, const Toplevel* );
 kdbgstream& operator<<( kdbgstream& stream, const ToplevelList& );
 kdbgstream& operator<<( kdbgstream& stream, const ConstToplevelList& );