diff --git a/src/widgets/krun.h b/src/widgets/krun.h
--- a/src/widgets/krun.h
+++ b/src/widgets/krun.h
@@ -600,7 +600,7 @@
      * so this can be removed.
      */
 #ifndef KIOWIDGETS_NO_DEPRECATED
-    KIOWIDGETS_DEPRECATED QTimer &timer();
+    KIOWIDGETS_DEPRECATED QTimer &timer() const;
 #endif
 
     /**
diff --git a/src/widgets/krun.cpp b/src/widgets/krun.cpp
--- a/src/widgets/krun.cpp
+++ b/src/widgets/krun.cpp
@@ -1538,7 +1538,7 @@
 }
 
 #ifndef KIOWIDGETS_NO_DEPRECATED
-QTimer &KRun::timer()
+QTimer &KRun::timer() const
 {
     return *d->m_timer;
 }
diff --git a/src/widgets/krun_p.h b/src/widgets/krun_p.h
--- a/src/widgets/krun_p.h
+++ b/src/widgets/krun_p.h
@@ -78,7 +78,6 @@
 
     // This helper method makes debugging easier: a single breakpoint for all
     // the code paths that start the timer - at least from KRun itself.
-    // TODO: add public method startTimer() and deprecate timer() accessor,
     // starting is the only valid use of the timer in subclasses (BrowserRun, KHTMLRun and KonqRun)
     void startTimer();