diff --git a/kdecoration/lightlydecoration.cpp b/kdecoration/lightlydecoration.cpp
index ae8a623b8..ff24f3a8c 100644
--- a/kdecoration/lightlydecoration.cpp
+++ b/kdecoration/lightlydecoration.cpp
@@ -282,7 +282,6 @@ namespace Lightly
         connect(c, &KDecoration2::DecoratedClient::activeChanged, this, &Decoration::updateAnimationState);
         connect(c, &KDecoration2::DecoratedClient::widthChanged, this, &Decoration::updateTitleBar);
         connect(c, &KDecoration2::DecoratedClient::maximizedChanged, this, &Decoration::updateTitleBar);
-        connect(c, &KDecoration2::DecoratedClient::maximizedChanged, this, &Decoration::setOpaque);
 
         connect(c, &KDecoration2::DecoratedClient::widthChanged, this, &Decoration::updateButtonsGeometry);
         connect(c, &KDecoration2::DecoratedClient::maximizedChanged, this, &Decoration::updateButtonsGeometry);