diff --git a/src/dock.c b/src/dock.c
index 0c88a322..222627f9 100644
--- a/src/dock.c
+++ b/src/dock.c
@@ -2000,7 +2000,7 @@ finish:
 	return dock;
 }
 
-void wDockLaunchWithState(WDock *dock, WAppIcon *btn, WSavedState *state)
+void wDockLaunchWithState(WAppIcon *btn, WSavedState *state)
 {
 	if (btn && btn->command && !btn->running && !btn->launching) {
 		btn->drop_launch = 0;
@@ -2034,7 +2034,7 @@ void wDockDoAutoLaunch(WDock *dock, int workspace)
 		state->workspace = workspace;
 		/* TODO: this is klugy and is very difficult to understand
 		 * what's going on. Try to clean up */
-		wDockLaunchWithState(dock, btn, state);
+		wDockLaunchWithState(btn, state);
 	}
 }
 
diff --git a/src/dock.h b/src/dock.h
index 6df8da76..ff6a5331 100644
--- a/src/dock.h
+++ b/src/dock.h
@@ -90,7 +90,7 @@ void wDockFinishLaunch(WAppIcon *icon);
 void wDockTrackWindowLaunch(WDock *dock, Window window);
 WAppIcon *wDockFindIconForWindow(WDock *dock, Window window);
 void wDockDoAutoLaunch(WDock *dock, int workspace);
-void wDockLaunchWithState(WDock *dock, WAppIcon *btn, WSavedState *state);
+void wDockLaunchWithState(WAppIcon *btn, WSavedState *state);
 
 #ifdef XDND
 int wDockReceiveDNDDrop(WScreen *scr, XEvent *event);
diff --git a/src/session.c b/src/session.c
index f7f5f3f4..12a07443 100644
--- a/src/session.c
+++ b/src/session.c
@@ -513,7 +513,7 @@ void wSessionRestoreState(WScreen *scr)
 		}
 
 		if (found) {
-			wDockLaunchWithState(dock, btn, state);
+			wDockLaunchWithState(btn, state);
 		} else if ((pid = execCommand(scr, command)) > 0) {
 			wWindowAddSavedState(instance, class, command, pid, state);
 		} else {