diff --git a/contrib/packaging/hgpackaging/wix.py b/contrib/packaging/hgpackaging/wix.py
--- a/contrib/packaging/hgpackaging/wix.py
+++ b/contrib/packaging/hgpackaging/wix.py
@@ -37,7 +37,6 @@
 
 EXTRA_PACKAGES = {
     'distutils',
-    'enum',
     'pygments',
 }
 
diff --git a/contrib/packaging/wix/requirements.txt b/contrib/packaging/wix/requirements.txt
--- a/contrib/packaging/wix/requirements.txt
+++ b/contrib/packaging/wix/requirements.txt
@@ -8,10 +8,6 @@
     --hash=sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6 \
     --hash=sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274 \
     --hash=sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6
-enum==0.4.7 \
-    --hash=sha256:8c7cf3587eda51008bcc1eed99ea2c331ccd265c231dbaa95ec5258d3dc03100
-future==0.17.1 \
-    --hash=sha256:67045236dcfd6816dc439556d009594abf643e5eb48992e36beac09c2ca659b8
 pygments==2.3.1 \
     --hash=sha256:5ffada19f6203563680669ee7f53b64dabbeb100eb51b61996085e99c03b284a \
     --hash=sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d
diff --git a/contrib/packaging/wix/requirements.txt.in b/contrib/packaging/wix/requirements.txt.in
--- a/contrib/packaging/wix/requirements.txt.in
+++ b/contrib/packaging/wix/requirements.txt.in
@@ -1,4 +1,2 @@
 docutils
-enum
-future
 pygments