Index: kstyle/CMakeLists.txt
===================================================================
--- kstyle/CMakeLists.txt
+++ kstyle/CMakeLists.txt
@@ -25,6 +25,7 @@
     set(BREEZE_HAVE_X11 FALSE)
   endif()
 
+  set(BREEZE_HAVE_QTQUICK FALSE)
   set(BREEZE_HAVE_KWAYLAND FALSE)
 
   ### KStyle
@@ -32,7 +33,7 @@
 
 else()
 
-  find_package(Qt5 REQUIRED CONFIG COMPONENTS Widgets DBus Quick)
+  find_package(Qt5 REQUIRED CONFIG COMPONENTS Widgets DBus)
   find_package(KF5 REQUIRED COMPONENTS
       I18n
       Config
@@ -40,6 +41,9 @@
       ConfigWidgets
       WindowSystem)
 
+  find_package(Qt5 COMPONENTS Quick)
+  set(BREEZE_HAVE_QTQUICK ${Qt5_Quick_FOUND})
+
   find_package( KF5FrameworkIntegration CONFIG )
   set_package_properties(KF5FrameworkIntegration PROPERTIES
       DESCRIPTION "KF5 Framework Integration"
@@ -155,7 +159,10 @@
 
   kconfig_add_kcfg_files(breeze_PART_SRCS breezestyleconfigdata.kcfgc)
   add_library(breeze MODULE ${breeze_PART_SRCS})
-  target_link_libraries(breeze Qt5::Core Qt5::Gui Qt5::Widgets Qt5::DBus Qt5::Quick)
+  target_link_libraries(breeze Qt5::Core Qt5::Gui Qt5::Widgets Qt5::DBus)
+  if( Qt5_Quick_FOUND )
+    target_link_libraries(breeze Qt5::Quick)
+  endif()
   target_link_libraries(breeze KF5::ConfigCore KF5::ConfigWidgets KF5::GuiAddons KF5::WindowSystem)
   target_link_libraries(breeze breezecommon)
 
Index: kstyle/breezestyle.cpp
===================================================================
--- kstyle/breezestyle.cpp
+++ kstyle/breezestyle.cpp
@@ -7158,7 +7158,7 @@
     //____________________________________________________________________
     bool Style::isQtQuickControl( const QStyleOption* option, const QWidget* widget ) const
     {
-        #if QT_VERSION >= 0x050000
+        #if QT_VERSION >= 0x050000 && BREEZE_HAVE_QTQUICK
         const bool is = (widget == nullptr) && option && option->styleObject && option->styleObject->inherits( "QQuickItem" );
         if ( is ) _windowManager->registerQuickItem( static_cast<QQuickItem*>( option->styleObject ) );
         return is;
Index: kstyle/breezewindowmanager.h
===================================================================
--- kstyle/breezewindowmanager.h
+++ kstyle/breezewindowmanager.h
@@ -33,7 +33,7 @@
 #include <QString>
 #include <QWidget>
 
-#if !BREEZE_USE_KDE4
+#if BREEZE_HAVE_QTQUICK
 #include <QQuickItem>
 #endif
 
@@ -68,7 +68,7 @@
         //* register widget
         void registerWidget( QWidget* );
 
-        #if !BREEZE_USE_KDE4
+        #if BREEZE_HAVE_QTQUICK
         //* register quick item
         void registerQuickItem( QQuickItem* );
         #endif
@@ -286,7 +286,7 @@
         /** Weak pointer is used in case the target gets deleted while drag is in progress */
         WeakPointer<QWidget> _target;
 
-        #if !BREEZE_USE_KDE4
+        #if BREEZE_HAVE_QTQUICK
         WeakPointer<QQuickItem> _quickTarget;
         #endif
 
Index: kstyle/breezewindowmanager.cpp
===================================================================
--- kstyle/breezewindowmanager.cpp
+++ kstyle/breezewindowmanager.cpp
@@ -79,7 +79,7 @@
 #include <QWindow>
 #endif
 
-#if QT_VERSION >= 0x050000
+#if BREEZE_HAVE_QTQUICK
 // needed to enable dragging from QQuickWindows
 #include <QQuickItem>
 #include <QQuickWindow>
@@ -319,7 +319,7 @@
 
     }
 
-    #if !BREEZE_USE_KDE4
+    #if BREEZE_HAVE_QTQUICK
     //_____________________________________________________________
     void WindowManager::registerQuickItem( QQuickItem* item )
     {
@@ -390,7 +390,7 @@
 
             case QEvent::MouseMove:
             if ( object == _target.data()
-                #if !BREEZE_USE_KDE4
+                #if BREEZE_HAVE_QTQUICK
                 || object == _quickTarget.data()
                 #endif
                ) return mouseMoveEvent( object, event );
@@ -398,7 +398,7 @@
 
             case QEvent::MouseButtonRelease:
             if ( _target
-                #if !BREEZE_USE_KDE4
+                #if BREEZE_HAVE_QTQUICK
                 || _quickTarget
                 #endif
                ) return mouseReleaseEvent( object, event );
@@ -426,8 +426,10 @@
             { startDrag( _target.data()->window(), _globalDragPoint ); }
             #else
             if( _target ) startDrag( _target.data()->window()->windowHandle(), _globalDragPoint );
+            #if BREEZE_HAVE_QTQUICK
             else if( _quickTarget ) startDrag( _quickTarget.data()->window(), _globalDragPoint );
             #endif
+            #endif
 
         } else {
 
@@ -450,7 +452,7 @@
         if( isLocked() ) return false;
         else setLocked( true );
 
-        #if !BREEZE_USE_KDE4
+        #if BREEZE_HAVE_QTQUICK
         // check QQuickItem - we can immediately start drag, because QQuickWindow's contentItem
         // only receives mouse events that weren't handled by children
         if( auto item = qobject_cast<QQuickItem*>( object ) )
@@ -837,7 +839,7 @@
         }
 
         _target.clear();
-        #if !BREEZE_USE_KDE4
+        #if BREEZE_HAVE_QTQUICK
         _quickTarget.clear();
         #endif
         if( _dragTimer.isActive() ) _dragTimer.stop();
Index: kstyle/config-breeze.h.cmake
===================================================================
--- kstyle/config-breeze.h.cmake
+++ kstyle/config-breeze.h.cmake
@@ -25,6 +25,9 @@
 /* Define to 1 if breeze is compiled against KDE4 */
 #cmakedefine01 BREEZE_USE_KDE4
 
+/* Define to 1 if QtQuick is available */
+#cmakedefine01 BREEZE_HAVE_QTQUICK
+
 /* Define to 1 if FrameworkIntegration/Kstyle libraries are found */
 #cmakedefine01 BREEZE_HAVE_KSTYLE