diff --git a/IPython/__init__.py b/IPython/__init__.py
index 0b182bd..7d098bc 100644
--- a/IPython/__init__.py
+++ b/IPython/__init__.py
@@ -41,11 +41,6 @@ See IPython `README.rst` file for more information:
 
 """)
 
-# Make it easy to import extensions - they are always directly on pythonpath.
-# Therefore, non-IPython modules can be added to extensions directory.
-# This should probably be in ipapp.py.
-sys.path.append(os.path.join(os.path.dirname(__file__), "extensions"))
-
 #-----------------------------------------------------------------------------
 # Setup the top level names
 #-----------------------------------------------------------------------------
diff --git a/IPython/extensions/cythonmagic.py b/IPython/extensions/cythonmagic.py
deleted file mode 100644
index 3c88e7c..0000000
--- a/IPython/extensions/cythonmagic.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
-**DEPRECATED**
-
-The cython magic has been integrated into Cython itself, 
-which is now released in version 0.21.
-
-cf github `Cython` organisation, `Cython` repo, under the 
-file `Cython/Build/IpythonMagic.py`
-"""
-#-----------------------------------------------------------------------------
-# Copyright (C) 2010-2011, IPython Development Team.
-#-----------------------------------------------------------------------------
-
-import warnings
-
-## still load the magic in IPython 3.x, remove completely in future versions.
-def load_ipython_extension(ip):
-    """Load the extension in IPython."""
-
-    warnings.warn("""The Cython magic has been moved to the Cython package""")
diff --git a/IPython/extensions/rmagic.py b/IPython/extensions/rmagic.py
deleted file mode 100644
index ec57639..0000000
--- a/IPython/extensions/rmagic.py
+++ /dev/null
@@ -1,12 +0,0 @@
-# -*- coding: utf-8 -*-
-
-#-----------------------------------------------------------------------------
-#  Copyright (C) 2012 The IPython Development Team
-#-----------------------------------------------------------------------------
-
-import warnings
-
-def load_ipython_extension(ip):
-    """Load the extension in IPython."""
-    warnings.warn("The rmagic extension in IPython has moved to "
-            "`rpy2.ipython`, please see `rpy2` documentation.")
diff --git a/IPython/extensions/sympyprinting.py b/IPython/extensions/sympyprinting.py
deleted file mode 100644
index e6a83cd..0000000
--- a/IPython/extensions/sympyprinting.py
+++ /dev/null
@@ -1,32 +0,0 @@
-"""
-**DEPRECATED**
-
-A print function that pretty prints sympy Basic objects.
-
-:moduleauthor: Brian Granger
-
-Usage
-=====
-
-Once the extension is loaded, Sympy Basic objects are automatically
-pretty-printed.
-
-As of SymPy 0.7.2, maintenance of this extension has moved to SymPy under
-sympy.interactive.ipythonprinting, any modifications to account for changes to
-SymPy should be submitted to SymPy rather than changed here. This module is
-maintained here for backwards compatibility with old SymPy versions.
-
-"""
-#-----------------------------------------------------------------------------
-#  Copyright (C) 2008  The IPython Development Team
-#-----------------------------------------------------------------------------
-
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
-
-import warnings
-
-def load_ipython_extension(ip):
-    warnings.warn("The sympyprinting extension has moved to `sympy`, "
-        "use `from sympy import init_printing; init_printing()`")