diff --git a/containmentactions/switchdesktop/CMakeLists.txt b/containmentactions/switchdesktop/CMakeLists.txt
index 4af7dbf06..627981ec8 100644
--- a/containmentactions/switchdesktop/CMakeLists.txt
+++ b/containmentactions/switchdesktop/CMakeLists.txt
@@ -7,10 +7,11 @@ add_library(plasma_containmentactions_switchdesktop MODULE ${switchdesktop_SRCS}
 kcoreaddons_desktop_to_json(plasma_containmentactions_switchdesktop plasma-containmentactions-switchdesktop.desktop)
 
 target_link_libraries(plasma_containmentactions_switchdesktop
+                        Qt5::Widgets
                         KF5::Plasma
                         KF5::WindowSystem
                         KF5::I18n
-			KF5::KIOCore
+                        KF5::KIOCore
                        )
 
 install(TARGETS plasma_containmentactions_switchdesktop DESTINATION ${KDE_INSTALL_PLUGINDIR})
diff --git a/containmentactions/switchwindow/CMakeLists.txt b/containmentactions/switchwindow/CMakeLists.txt
index 900f21538..74a62d876 100644
--- a/containmentactions/switchwindow/CMakeLists.txt
+++ b/containmentactions/switchwindow/CMakeLists.txt
@@ -10,6 +10,7 @@ add_library(plasma_containmentactions_switchwindow MODULE ${switchwindow_SRCS})
 kcoreaddons_desktop_to_json(plasma_containmentactions_switchwindow plasma-containmentactions-switchwindow.desktop)
 
 target_link_libraries(plasma_containmentactions_switchwindow
+                      Qt5::Widgets
                       KF5::Plasma
                       KF5::KIOCore
                       KF5::I18n
diff --git a/libkworkspace/kworkspace.cpp b/libkworkspace/kworkspace.cpp
index 555119c3f..444270d82 100644
--- a/libkworkspace/kworkspace.cpp
+++ b/libkworkspace/kworkspace.cpp
@@ -20,7 +20,6 @@
 #include "kworkspace.h"
 #include "config-libkworkspace.h"
 
-#include <QApplication>
 #include <QDataStream>
 #include <QFile>
 #include <QFileInfo>
diff --git a/libtaskmanager/xwindowtasksmodel.h b/libtaskmanager/xwindowtasksmodel.h
index 51961c654..713d982e7 100644
--- a/libtaskmanager/xwindowtasksmodel.h
+++ b/libtaskmanager/xwindowtasksmodel.h
@@ -26,6 +26,7 @@ License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 #include "taskmanager_export.h"
 
 #include <QMimeData>
+#include <qwindowdefs.h>
 
 #include <netwm.h>