diff --git a/IPython/html/static/notebook/js/widgets/widget_float_range.js b/IPython/html/static/notebook/js/widgets/widget_float_range.js
deleted file mode 100644
index 9a84f2a..0000000
--- a/IPython/html/static/notebook/js/widgets/widget_float_range.js
+++ /dev/null
@@ -1,6 +0,0 @@
-//----------------------------------------------------------------------------
-//  Copyright (C) 2013 The IPython Development Team
-//
-//  Distributed under the terms of the BSD License.  The full license is in
-//  the file COPYING, distributed as part of this software.
-//----------------------------------------------------------------------------
diff --git a/IPython/html/static/notebook/js/widgets/widget_int_range.js b/IPython/html/static/notebook/js/widgets/widget_int_range.js
deleted file mode 100644
index 9a84f2a..0000000
--- a/IPython/html/static/notebook/js/widgets/widget_int_range.js
+++ /dev/null
@@ -1,6 +0,0 @@
-//----------------------------------------------------------------------------
-//  Copyright (C) 2013 The IPython Development Team
-//
-//  Distributed under the terms of the BSD License.  The full license is in
-//  the file COPYING, distributed as part of this software.
-//----------------------------------------------------------------------------