diff --git a/libmproxy/main.py b/libmproxy/main.py
index 3c908ed9f..d7c5f22cf 100644
--- a/libmproxy/main.py
+++ b/libmproxy/main.py
@@ -38,6 +38,10 @@ def get_server(dummy_server, options):
 
 
 def mitmproxy(args=None):  # pragma: nocover
+    if os.name == "nt":
+        print("Error: mitmproxy's console interface is not supported on Windows. "
+              "You can run mitmdump or mitmweb instead.", file=sys.stderr)
+        sys.exit(1)
     from . import console
 
     check_pyopenssl_version()
diff --git a/setup.py b/setup.py
index 34c7607b3..8ae24c4eb 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,6 @@
 from setuptools import setup, find_packages
 from codecs import open
 import os
-import sys
 from libmproxy import version
 
 # Based on https://github.com/pypa/sampleproject/blob/master/setup.py
@@ -12,66 +11,7 @@ here = os.path.abspath(os.path.dirname(__file__))
 with open(os.path.join(here, 'README.rst'), encoding='utf-8') as f:
     long_description = f.read()
 
-# Core dependencies
-deps = {
-    "netlib>=%s, <%s" % (version.MINORVERSION, version.NEXT_MINORVERSION),
-    "pyasn1~=0.1.9",
-    "tornado~=4.3.0",
-    "configargparse~=0.10.0",
-    "pyperclip~=1.5.22",
-    "blinker~=1.4",
-    "pyparsing~=2.0.5",
-    "html2text~=2015.11.4",
-    "construct~=2.5.2",
-    "six~=1.10.0",
-    "lxml~=3.4.4",
-    "Pillow~=3.0.0",
-    "watchdog~=0.8.3",
-}
-# A script -> additional dependencies dict.
-scripts = {
-    "mitmproxy": {
-        "urwid~=1.3.1",
-    },
-    "mitmdump": {
-        "click~=6.2",
-    },
-    "mitmweb": set()
-}
-# Developer dependencies
-dev_deps = {
-    "mock>=1.0.1",
-    "pytest>=2.8.0",
-    "pytest-xdist>=1.13.1",
-    "pytest-cov>=2.1.0",
-    "coveralls>=0.4.1",
-    "pathod>=%s, <%s" % (version.MINORVERSION, version.NEXT_MINORVERSION),
-    "sphinx>=1.3.1",
-    "sphinx-autobuild>=0.5.2",
-    "sphinxcontrib-documentedlist>=0.2",
-}
-example_deps = {
-    "pytz~=2015.7",
-    "harparser~=0.2",
-    "beautifulsoup4~=4.4.1",
-}
-# Add *all* script dependencies to developer dependencies.
-for script_deps in scripts.values():
-    dev_deps.update(script_deps)
-
-# Remove mitmproxy for Windows support.
-if os.name == "nt":
-    del scripts["mitmproxy"]
-    deps.add("pydivert~=0.0.7")  # Transparent proxying on Windows
-
-# Add dependencies for available scripts as core dependencies.
-for script_deps in scripts.values():
-    deps.update(script_deps)
-
-if sys.version_info < (3, 4):
-    example_deps.add("enum34~=1.0.4")
-
-console_scripts = ["%s = libmproxy.main:%s" % (s, s) for s in scripts.keys()]
+console_scripts = ["%s = libmproxy.main:%s" % (s, s) for s in ("mitmproxy", "mitmdump", "mitmweb")]
 
 setup(
     name="mitmproxy",
@@ -103,15 +43,54 @@ setup(
     packages=find_packages(),
     include_package_data=True,
     entry_points={
-        'console_scripts': console_scripts},
-    install_requires=list(deps),
+        'console_scripts': console_scripts
+    },
+    install_requires=[
+        "netlib>=%s, <%s" % (version.MINORVERSION, version.NEXT_MINORVERSION),
+        "pyasn1~=0.1.9",
+        "tornado~=4.3.0",
+        "configargparse~=0.10.0",
+        "pyperclip~=1.5.22",
+        "blinker~=1.4",
+        "pyparsing~=2.0.5",
+        "html2text~=2015.11.4",
+        "construct~=2.5.2",
+        "six~=1.10.0",
+        "lxml~=3.4.4",
+        "Pillow~=3.0.0",
+        "watchdog~=0.8.3",
+        "click~=6.2",
+    ],
     extras_require={
-        'dev': list(dev_deps),
+        ':sys_platform == "win32"': [
+            "pydivert~=0.0.7",
+        ],
+        ':sys_platform != "win32"': [
+            "urwid~=1.3.1",
+        ],
+        ':python_version < "3.4"': [
+            "enum34~=1.0.4",
+        ],
+        'dev': [
+            "mock>=1.0.1",
+            "pytest>=2.8.0",
+            "pytest-xdist>=1.13.1",
+            "pytest-cov>=2.1.0",
+            "coveralls>=0.4.1",
+            "pathod>=%s, <%s" % (version.MINORVERSION, version.NEXT_MINORVERSION),
+            "sphinx>=1.3.1",
+            "sphinx-autobuild>=0.5.2",
+            "sphinxcontrib-documentedlist>=0.2",
+        ],
         'contentviews': [
             "pyamf~=0.7.2",
             "protobuf~=2.6.1",
-            "cssutils~=1.0.1"
+            "cssutils~=1.0.1",
+        ],
+        'examples': [
+            "pytz~=2015.7",
+            "harparser~=0.2",
+            "beautifulsoup4~=4.4.1",
         ],
-        'examples': list(example_deps)
     }
 )