diff --git a/src/wayland_server.cpp b/src/wayland_server.cpp
index 83707ab2c6..9bf61e7e80 100644
--- a/src/wayland_server.cpp
+++ b/src/wayland_server.cpp
@@ -639,7 +639,7 @@ void WaylandServer::initScreenLocker()
 
     ScreenLocker::KSldApp::self()->setGreeterEnvironment(kwinApp()->processStartupEnvironment());
 
-    connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::aboutToLock, this, [this, screenLockerApp]() {
+    connect(ScreenLocker::KSldApp::self(), &ScreenLocker::KSldApp::aboutToLock, this, [this]() {
         new LockScreenPresentationWatcher(this);
     });