diff --git a/plugins/python-build/patches/all/common/patch-setup.py.diff b/plugins/python-build/patches/all/common/patch-setup.py.diff
deleted file mode 100644
index b2998bca..00000000
--- a/plugins/python-build/patches/all/common/patch-setup.py.diff
+++ /dev/null
@@ -1,47 +0,0 @@
-
-# HG changeset patch
-# User Barry Warsaw <barry@python.org>
-# Date 1302190091 14400
-# Node ID bd0f73a9538e05f526feaf05821e68bdcff498fa
-# Parent  2e4cdaffe493e879fb5367a4aa454491de451137
-Backport for Python 2.7 of issue 11715 support for building Python on
-multiarch Debian/Ubuntu.
-
-diff --git a/setup.py b/setup.py
---- setup.py.orig
-+++ setup.py
-@@ -345,10 +345,33 @@ class PyBuildExt(build_ext):
-                 return platform
-         return sys.platform
- 
-+    def add_multiarch_paths(self):
-+        # Debian/Ubuntu multiarch support.
-+        # https://wiki.ubuntu.com/MultiarchSpec
-+        if not find_executable('dpkg-architecture'):
-+            return
-+        tmpfile = os.path.join(self.build_temp, 'multiarch')
-+        if not os.path.exists(self.build_temp):
-+            os.makedirs(self.build_temp)
-+        ret = os.system(
-+            'dpkg-architecture -qDEB_HOST_MULTIARCH > %s 2> /dev/null' %
-+            tmpfile)
-+        try:
-+            if ret >> 8 == 0:
-+                with open(tmpfile) as fp:
-+                    multiarch_path_component = fp.readline().strip()
-+                add_dir_to_list(self.compiler.library_dirs,
-+                                '/usr/lib/' + multiarch_path_component)
-+                add_dir_to_list(self.compiler.include_dirs,
-+                                '/usr/include/' + multiarch_path_component)
-+        finally:
-+            os.unlink(tmpfile)
-+
-     def detect_modules(self):
-         # Ensure that /usr/local is always used
-         add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
-         add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
-+        self.add_multiarch_paths()
- 
-         # Add paths specified in the environment variables LDFLAGS and
-         # CPPFLAGS for header and library files.
-
diff --git a/plugins/python-build/patches/all/python30/patch-setup.py.diff b/plugins/python-build/patches/all/python30/patch-setup.py.diff
deleted file mode 100644
index 8f1a1773..00000000
--- a/plugins/python-build/patches/all/python30/patch-setup.py.diff
+++ /dev/null
@@ -1,44 +0,0 @@
---- setup.py.orig	2011-07-07 19:41:48.610196111 +0900
-+++ setup.py	2011-07-07 19:46:44.986310031 +0900
-@@ -14,6 +14,7 @@
- from distutils.command.build_ext import build_ext
- from distutils.command.install import install
- from distutils.command.install_lib import install_lib
-+from distutils.spawn import find_executable
- 
- # This global variable is used to hold the list of modules to be disabled.
- disabled_module_list = []
-@@ -308,10 +309,33 @@
-                 return platform
-         return sys.platform
- 
-+    def add_multiarch_paths(self):
-+        # Debian/Ubuntu multiarch support.
-+        # https://wiki.ubuntu.com/MultiarchSpec
-+        if not find_executable('dpkg-architecture'):
-+            return
-+        tmpfile = os.path.join(self.build_temp, 'multiarch')
-+        if not os.path.exists(self.build_temp):
-+            os.makedirs(self.build_temp)
-+        ret = os.system(
-+            'dpkg-architecture -qDEB_HOST_MULTIARCH > %s 2> /dev/null' %
-+            tmpfile)
-+        try:
-+            if ret >> 8 == 0:
-+                with open(tmpfile) as fp:
-+                    multiarch_path_component = fp.readline().strip()
-+                add_dir_to_list(self.compiler.library_dirs,
-+                                '/usr/lib/' + multiarch_path_component)
-+                add_dir_to_list(self.compiler.include_dirs,
-+                                '/usr/include/' + multiarch_path_component)
-+        finally:
-+            os.unlink(tmpfile)
-+
-     def detect_modules(self):
-         # Ensure that /usr/local is always used
-         add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
-         add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
-+        self.add_multiarch_paths()
- 
-         # Add paths specified in the environment variables LDFLAGS and
-         # CPPFLAGS for header and library files.
diff --git a/plugins/python-build/patches/all/python32/patch-setup.py.diff b/plugins/python-build/patches/all/python32/patch-setup.py.diff
deleted file mode 100644
index f4c361e6..00000000
--- a/plugins/python-build/patches/all/python32/patch-setup.py.diff
+++ /dev/null
@@ -1,38 +0,0 @@
---- setup.py.orig	2011-07-07 20:26:15.000000000 +0900
-+++ setup.py	2011-07-07 20:29:28.735543350 +0900
-@@ -370,12 +370,35 @@
-                 return platform
-         return sys.platform
- 
-+    def add_multiarch_paths(self):
-+        # Debian/Ubuntu multiarch support.
-+        # https://wiki.ubuntu.com/MultiarchSpec
-+        if not find_executable('dpkg-architecture'):
-+            return
-+        tmpfile = os.path.join(self.build_temp, 'multiarch')
-+        if not os.path.exists(self.build_temp):
-+            os.makedirs(self.build_temp)
-+        ret = os.system(
-+            'dpkg-architecture -qDEB_HOST_MULTIARCH > %s 2> /dev/null' %
-+            tmpfile)
-+        try:
-+            if ret >> 8 == 0:
-+                with open(tmpfile) as fp:
-+                    multiarch_path_component = fp.readline().strip()
-+                add_dir_to_list(self.compiler.library_dirs,
-+                                '/usr/lib/' + multiarch_path_component)
-+                add_dir_to_list(self.compiler.include_dirs,
-+                                '/usr/include/' + multiarch_path_component)
-+        finally:
-+            os.unlink(tmpfile)
-+
-     def detect_modules(self):
-         # Ensure that /usr/local is always used, but the local build
-         # directories (i.e. '.' and 'Include') must be first.  See issue
-         # 10520.
-         add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib')
-         add_dir_to_list(self.compiler.include_dirs, '/usr/local/include')
-+        self.add_multiarch_paths()
- 
-         # Add paths specified in the environment variables LDFLAGS and
-         # CPPFLAGS for header and library files.