diff --git a/src/config.cpp b/src/config.cpp
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -111,7 +111,6 @@
     }
 
     QRect rect;
-    QSize outputSize;
     OutputPtr currentOutput;
     const OutputList outputs = config->outputs();
     int enabledOutputsCount = 0;
diff --git a/src/getconfigoperation.cpp b/src/getconfigoperation.cpp
--- a/src/getconfigoperation.cpp
+++ b/src/getconfigoperation.cpp
@@ -182,7 +182,6 @@
 void GetConfigOperationPrivate::loadEdid(KScreen::AbstractBackend* backend)
 {
     Q_ASSERT(BackendManager::instance()->method() == BackendManager::InProcess);
-    Q_Q(GetConfigOperation);
     if (options & KScreen::ConfigOperation::NoEDID) {
         return;
     }