diff --git a/src/plugins/coreplugin/mainwindow.cpp b/src/plugins/coreplugin/mainwindow.cpp
index 98509845ca5..ea10ebb65ce 100644
--- a/src/plugins/coreplugin/mainwindow.cpp
+++ b/src/plugins/coreplugin/mainwindow.cpp
@@ -108,7 +108,6 @@ static const char askBeforeExitKey[] = "AskBeforeExit";
 static const char windowGeometryKey[] = "WindowGeometry";
 static const char windowStateKey[] = "WindowState";
 static const char modeSelectorLayoutKey[] = "ModeSelectorLayout";
-static const char openFromDeviceDialogKey[] = "OpenFromDeviceDialog";
 
 static const bool askBeforeExitDefault = false;