diff --git a/IPython/utils/warn.py b/IPython/utils/warn.py
deleted file mode 100644
index dd48522..0000000
--- a/IPython/utils/warn.py
+++ /dev/null
@@ -1,65 +0,0 @@
-# encoding: utf-8
-"""
-Utilities for warnings.  Shoudn't we just use the built in warnings module.
-"""
-
-# Copyright (c) IPython Development Team.
-# Distributed under the terms of the Modified BSD License.
-
-from __future__ import print_function
-
-import sys
-import warnings
-
-warnings.warn("The module IPython.utils.warn is deprecated since IPython 4.0, use the standard warnings module instead", DeprecationWarning)
-
-def warn(msg,level=2,exit_val=1):
-    """Deprecated
-
-    Standard warning printer. Gives formatting consistency.
-
-    Output is sent to sys.stderr.
-
-    Options:
-
-    -level(2): allows finer control:
-      0 -> Do nothing, dummy function.
-      1 -> Print message.
-      2 -> Print 'WARNING:' + message. (Default level).
-      3 -> Print 'ERROR:' + message.
-      4 -> Print 'FATAL ERROR:' + message and trigger a sys.exit(exit_val).
-
-    -exit_val (1): exit value returned by sys.exit() for a level 4
-    warning. Ignored for all other levels."""
-    
-    warnings.warn("The module IPython.utils.warn is deprecated since IPython 4.0, use the standard warnings module instead", DeprecationWarning)
-    if level>0:
-        header = ['','','WARNING: ','ERROR: ','FATAL ERROR: ']
-        print(header[level], msg, sep='', file=sys.stderr)
-        if level == 4:
-            print('Exiting.\n', file=sys.stderr)
-            sys.exit(exit_val)
-
-            
-def info(msg):
-    """Deprecated 
-    
-    Equivalent to warn(msg,level=1)."""
-
-    warn(msg,level=1)
-
-    
-def error(msg):
-    """Deprecated 
-    
-    Equivalent to warn(msg,level=3)."""
-
-    warn(msg,level=3)
-
-    
-def fatal(msg,exit_val=1):
-    """Deprecated 
-    
-    Equivalent to warn(msg,exit_val=exit_val,level=4)."""
-
-    warn(msg,exit_val=exit_val,level=4)
diff --git a/docs/source/whatsnew/pr/removed-Ipython-utils-warn.rst b/docs/source/whatsnew/pr/removed-Ipython-utils-warn.rst
new file mode 100644
index 0000000..faf055f
--- /dev/null
+++ b/docs/source/whatsnew/pr/removed-Ipython-utils-warn.rst
@@ -0,0 +1,2 @@
+IPython.utils.warn was deprecated in IPython 4.0, and has now been removed.
+instead of Ipython.utils.warn inbuilt warning module is used.