diff --git a/x11client.cpp b/x11client.cpp
index 40e646d6e3..466b01116b 100644
--- a/x11client.cpp
+++ b/x11client.cpp
@@ -1387,8 +1387,6 @@ bool X11Client::isMinimizable() const
 {
     if (isSpecialWindow() && !isTransient())
         return false;
-    if (hasNETSupport() && !m_motif.minimize())
-        return false;
     if (!rules()->checkMinimize(true))
         return false;
 
@@ -4123,8 +4121,6 @@ bool X11Client::isMaximizable() const
 {
     if (!isResizable() || isToolbar())  // SELI isToolbar() ?
         return false;
-    if (hasNETSupport() && !m_motif.maximize())
-        return false;
     if (rules()->checkMaximize(MaximizeRestore) == MaximizeRestore && rules()->checkMaximize(MaximizeFull) != MaximizeRestore)
         return true;
     return false;