diff --git a/widget/src/gtk2/nsWindow.cpp b/widget/src/gtk2/nsWindow.cpp
--- a/widget/src/gtk2/nsWindow.cpp
+++ b/widget/src/gtk2/nsWindow.cpp
@@ -6709,6 +6709,10 @@
 void
 nsWindow::IMESetCursorPosition(const nsTextEventReply& aReply)
 {
+
+    return;
+
+
     nsIWidget *refWidget = aReply.mReferenceWidget;
     if (!refWidget) {
         NS_WARNING("mReferenceWidget is null");