diff --git a/projects/python-comtypes.cmake b/projects/python-comtypes.cmake
index ae67e39a..10ab1808 100644
--- a/projects/python-comtypes.cmake
+++ b/projects/python-comtypes.cmake
@@ -2,7 +2,6 @@ if(BUILD_OS_WINDOWS)
     ExternalProject_Add(PythonComtypes
         URL https://pypi.python.org/packages/85/11/722b9ce6725bf8160bd8aca68b1e61bd9db422ab12dae28daa7defab2cdc/comtypes-1.1.3-2.zip
         URL_MD5 4161cb8bc283a75af85e220ad662d5af
-        PATCH_COMMAND patch comtypes/__init__.py ${CMAKE_SOURCE_DIR}/cmake/python-comtypes.patch
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ${PYTHON_EXECUTABLE} setup.py build
         INSTALL_COMMAND ${PYTHON_EXECUTABLE} setup.py install --single-version-externally-managed --record=comtypes-install.log
diff --git a/projects/python-comtypes.patch b/projects/python-comtypes.patch
deleted file mode 100644
index 2cdd0a66..00000000
--- a/projects/python-comtypes.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- __init__.py	2017-08-11 14:40:35.464581556 +0200
-+++ __init__2.py	2017-08-11 14:40:47.677067679 +0200
-@@ -655,8 +655,10 @@
-             rescode = func(self_, *args, **kw)
-             # If there is only a single output value, then do not expect it to
-             # be iterable.
--            if len(outargs) == 1:  # rescode is not iterable
--                return rescode.__ctypes_from_outparam__()
-+            if outnum == 1:  # rescode is not iterable
-+                if len(outargs) == 1:
-+                    rescode = rescode.__ctypes_from_outparam__()
-+                return rescode
- 
-             rescode = list(rescode)
-             for outnum, o in outargs.items():