diff --git a/src/plugins/projectexplorer/devicesupport/idevice.h b/src/plugins/projectexplorer/devicesupport/idevice.h
index 8e395368a8c..9090500f493 100644
--- a/src/plugins/projectexplorer/devicesupport/idevice.h
+++ b/src/plugins/projectexplorer/devicesupport/idevice.h
@@ -59,7 +59,6 @@ class QtcProcess;
 
 namespace ProjectExplorer {
 
-class Connection;
 class DeviceProcess;
 class DeviceProcessList;
 class Kit;