diff --git a/mitmproxy/flow/__init__.py b/mitmproxy/flow/__init__.py
index 2a5d9b38e..4c3bb828c 100644
--- a/mitmproxy/flow/__init__.py
+++ b/mitmproxy/flow/__init__.py
@@ -5,7 +5,7 @@ from mitmproxy.flow.io import FlowWriter, FilteredFlowWriter, FlowReader, read_f
 from mitmproxy.flow.master import FlowMaster
 from mitmproxy.flow.modules import (
     AppRegistry, ReplaceHooks, SetHeaders, StreamLargeBodies, ClientPlaybackState,
-    ServerPlaybackState, StickyCookieState
+    ServerPlaybackState
 )
 from mitmproxy.flow.state import State, FlowView
 
@@ -16,5 +16,5 @@ __all__ = [
     "FlowWriter", "FilteredFlowWriter", "FlowReader", "read_flows_from_paths",
     "FlowMaster",
     "AppRegistry", "ReplaceHooks", "SetHeaders", "StreamLargeBodies", "ClientPlaybackState",
-    "ServerPlaybackState", "StickyCookieState", "State", "FlowView",
+    "ServerPlaybackState", "State", "FlowView",
 ]
diff --git a/mitmproxy/flow/modules.py b/mitmproxy/flow/modules.py
index 83228a042..84c11ac21 100644
--- a/mitmproxy/flow/modules.py
+++ b/mitmproxy/flow/modules.py
@@ -287,66 +287,3 @@ class ServerPlaybackState:
             return l[0]
         else:
             return l.pop(0)
-
-
-class StickyCookieState:
-    def __init__(self, flt):
-        """
-            flt: Compiled filter.
-        """
-        self.jar = collections.defaultdict(dict)
-        self.flt = flt
-
-    def ckey(self, attrs, f):
-        """
-            Returns a (domain, port, path) tuple.
-        """
-        domain = f.request.host
-        path = "/"
-        if "domain" in attrs:
-            domain = attrs["domain"]
-        if "path" in attrs:
-            path = attrs["path"]
-        return (domain, f.request.port, path)
-
-    def domain_match(self, a, b):
-        if http_cookiejar.domain_match(a, b):
-            return True
-        elif http_cookiejar.domain_match(a, b.strip(".")):
-            return True
-        return False
-
-    def handle_response(self, f):
-        for name, (value, attrs) in f.response.cookies.items(multi=True):
-            # FIXME: We now know that Cookie.py screws up some cookies with
-            # valid RFC 822/1123 datetime specifications for expiry. Sigh.
-            dom_port_path = self.ckey(attrs, f)
-
-            if self.domain_match(f.request.host, dom_port_path[0]):
-                if cookies.is_expired(attrs):
-                    # Remove the cookie from jar
-                    self.jar[dom_port_path].pop(name, None)
-
-                    # If all cookies of a dom_port_path have been removed
-                    # then remove it from the jar itself
-                    if not self.jar[dom_port_path]:
-                        self.jar.pop(dom_port_path, None)
-                else:
-                    b = attrs.with_insert(0, name, value)
-                    self.jar[dom_port_path][name] = b
-
-    def handle_request(self, f):
-        l = []
-        if f.match(self.flt):
-            for domain, port, path in self.jar.keys():
-                match = [
-                    self.domain_match(f.request.host, domain),
-                    f.request.port == port,
-                    f.request.path.startswith(path)
-                ]
-                if all(match):
-                    c = self.jar[(domain, port, path)]
-                    l.extend([cookies.format_cookie_header(c[name].items(multi=True)) for name in c.keys()])
-        if l:
-            f.request.stickycookie = True
-            f.request.headers["cookie"] = "; ".join(l)